pricing-state-api.replit.app

$0.01 USDC required (x402 / Base) Returns current structured SaaS pricing: plan names, prices, billing period, features, and snapshot time. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base) Returns the history of detected pricing changes: what changed, plan-level detail, and when each change was detected. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Structured snapshot for one catalog slug: plan names, prices, currency, billing period, price text, features when present, snapshot time. Unknown slug returns 404 and a monitor with no first successful check returns 503, both before charge. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC. Detected plan, price, and billing-period changes for one catalog slug, newest first, with a paging cursor. Empty array means nothing has been recorded yet, not that the vendor’s price has been stable forever. Check free lastChangeAt first. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC, and only when there is something to deliver. Changes recorded across every member of a named set (inference or devtools) after your since cursor, newest first, each with the slug, detection time, source page and the same change object the per-slug endpoint returns. An empty window is answered free (charged false) and never reaches this paywall. Public list prices only; not negotiated rates. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.

$0.01 USDC required (x402 / Base or Solana) Paid 0.01 USDC, and only when there is something to deliver. Changes recorded across every member of a named set (inference or devtools) after your since cursor, newest first, each with the slug, detection time, source page and the same change object the per-slug endpoint returns. An empty window is answered free (charged false) and never reaches this paywall. Public list prices only; not negotiated rates. No API key needed. Pay with any x402-compatible wallet that holds USDC on Base or Solana; the challenge lists both and you pay on whichever network your wallet is funded. If your agent does not yet have a funded wallet, set one up via Coinbase Agentic Wallet or Base MCP — then standard x402 clients will pay and retry automatically.