All projects on Base matching “dev”

Livecheck Confirm - independent side-effect verification (actor != verifier). POST /v1/confirm with {url, intent} (+ optional claim). Returns confirmed|failed|unknown; thank-you fluff alone never confirmed - durable ref/id required. Intents: lead_submit $0.10, listing_published $0.10. order_placed is POST /v1/confirm/order ($0.25). Signed receipts + GET /stats. Same origin as Livecheck verify ($0.

Checks one email address and returns valid, risky or invalid with the reasons: address format, whether the domain can receive mail (live MX lookup), known throwaway domains (mailinator and others, invalid), shared inboxes like info@ or sales@ (risky), likely typos such as gmial.com with the fix in didYouMean, and free providers such as gmail.com (flag only). Does not ping the mailbox (no SMTP), so

VAT (IVA) rates for 17 Latin American countries, including Argentina, Chile, Colombia, Mexico, Peru (IGV) and the Dominican Republic (ITBIS): standard and reduced rates, plus net-to-gross or gross-to-net calculation. Reviewed dataset with source and review date; Brazil is excluded because it has no single rate. Use when pricing, quoting or invoicing in Latin America and you need the local VAT rate

Automaton-Sovereign Value API call

Use when you need callable agent services for a capability across protocols: x402 listings ranked by relevance weighted by 30-day paying wallets, plus hosted MCP servers from the Official MCP Registry (a capped subset, count in coverage; those naming x402, L402, MPP or pay-per-call first; that registry publishes no prices). L402 and MPP listings are not covered. ?q= required. $0.002 USDC per call.

Business Frameworks · business-frameworks/risk/decide/hurdle@1.3, applied — POST the long-bond yield and two or three comparable asset betas; get r for this business — its cost of capital, the discount rate — with the sub-$5M probability rule and the concentrated owner's stated premium applied. Deterministic (the node's rule, no model): returns figures, verdict, action and check with the 170-token

POST any JSON payload to any webhook URL with custom headers and method. Let your agent trigger downstream systems in one call. Pay per call with USDC (x402) or credits - archtools.dev

Paid ($0.02 USDC via x402). Markets resolving within ?withinHours (1-72): odds, contested-vs-converged, liquidity, and order-book microstructure for the nearest expiries. Mechanical short-interval markets excluded by default (?includeNoise=1 to include). Settle-early with a guaranteed refund — if we charge you but cannot deliver, the payment is refunded.

Web extraction: every output you ask for in `formats`, in one call.

Crypto Fear & Greed index: today + yesterday + week ago + 10-day history (0=extreme fear, 100=extreme greed) — market sentiment in one call

Keyless web search for agents: pass a query, get a concise web-grounded answer plus the top source results (title, URL, snippet). Live web access, no API key or account needed. JSON response. $0.008 USDC per call, pay via x402, no API key.

All links on a page, absolute and deduplicated, split into internal and external.

Use before acting on a Hyperliquid perpetual to see how its most profitable traders are positioned: how many wallets in a 200-wallet smart-money cohort are long vs short, long, short and net USD, the 24h change, concentration, leverage settings, share of open interest, and how that compares with the crowd (funding, 7-day move). Flags smart money positioned against a crowded move. Aggregates only,

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 34 African countries including South Africa, Nigeria, Kenya, Egypt; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for EG, KE, NG, ZA. JSON with value, unit, effective date, official source URL and last_confirmed; a country wit

KYB company verification before paying or invoicing: sanctions screening (OFAC, EU, France), EU VAT number validation (VIES), French insolvency proceedings. Input a SIREN, SIRET, EU VAT number or French company name (optional IBAN). Output for a French company: registry status, insolvency proceedings (BODACC), latest revenue and net income with risk signals, sanctions screening of the company and

Domain intelligence in one call: RDAP registration (registrar, age, expiry, status), live DNS (A/AAAA/MX/NS/TXT), the mail and DNS providers behind them, the SaaS vendors the domain's TXT verification tokens reveal, SPF/DMARC posture, and risk signals like newly-registered or no-registrar-lock.

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 34 European countries plus the EU including Germany, France; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for CZ, DK, EU, HU, IS, NO, PL, RO, SE. JSON with value, unit, effective date, official source URL and last_confirmed;

Paid ($0.01 USDC via x402). Top trending GitHub repos from the latest daily scan, sorted by stars — description, language, topics, license, forks, author followers, and README excerpt. Filterable by programming language. Response carries the scanDate provenance. Compute-first / settle-after — you are never charged for an error.

Paid ($0.05). ALWAYS runs a fresh 25-check scan of the origin (non-settling GET/HEAD + benign empty-POST probes), bypassing the 24h cache — use free GET /v1/report to read the cached result. Concurrent requests for the same origin join the in-flight scan rather than double-scanning. Returns grade, score, per-check status + evidence + fix instructions, and a shareable report URL. Unreachable/broken

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 22 Latin American countries including Brazil, Mexico, Argentina, Chile; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for BR, CO, MX, PE. JSON with value, unit, effective date, official source URL and last_confirmed; a country

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 10 North American countries including United States, Canada, Mexico; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for CA, MX, US. JSON with value, unit, effective date, official source URL and last_confirmed; a country with n

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 28 Asian countries including Japan, India, China, Singapore; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for HK, KZ, MY, TW, UZ. JSON with value, unit, effective date, official source URL and last_confirmed; a country with n

Rank Japanese listed companies by any financial metric from EDINET annual reports: roe, roa, revenue, operating_income, net_income, total_assets, equity_ratio, fcf and 30+ more. Returns the top or bottom N companies on the latest fiscal year, each with the full normalized indicator row and filing provenance. Example: /v2/rankings?metric=roe&order=desc&limit=10. League tables and factor screens for

Parse and validate a Thai postal address: split it into house number, moo, village, building, soi, road, subdistrict (ตำบล/แขวง), district (อำเภอ/เขต), province and postcode; match the areas to official names (fixing typos, 'อ.เมือง', กทม.); check the postcode against the subdistrict; and return the address formatted in Thai and English for shipping forms. Body: {"text": "99/1 ม.4 ต.ยางเนิ้ง อ.สาร

Lookalike / homograph domain check (punycode, mixed scripts, brand typos): Instant offline check of a host name for phishing patterns: Unicode / punycode form, scripts per label and mixed-alphabet homographs, typo or confusable lookalikes of commonly phished brands, brand outside its official domain

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 9 Middle Eastern countries including Saudi Arabia, United Arab Emirates, Israel, Qatar; also CPI, income, corporate and withholding tax, social contributions, holidays. JSON with value, unit, effective date, official source URL and last_confirmed; a country with no such rate says so. GET /v1/{country}

Central-bank policy rates, VAT/GST rates and thresholds, statutory interest and minimum wages for 8 Australasian countries including Australia, New Zealand, Fiji, Papua New Guinea; also CPI, income, corporate and withholding tax, social contributions, holidays. Official central-bank FX reference rates for AU. JSON with value, unit, effective date, official source URL and last_confirmed; a country

Weather forecast and alerts: give a latitude and longitude anywhere in the world, get the 7-day forecast (temperature, rain, wind). US spots use the National Weather Service and include active weather alerts; elsewhere MET Norway.

Token safety check (rug check) for AI agents before buying, sending or accepting a crypto token on Base, Ethereum or Solana: give its address, get name, supply, live on-chain price and pool liquidity, plus contract controls (owner, upgradeable proxy, mint, pause, blacklist, fee setters) or Solana mint and freeze authority, with plain warnings. Facts read from the chain, not a rating.

Japanese business-day calculator: check if a date is a business day, add N business days to a date, or count business days in a range. Accounts for weekends and Japanese national holidays; optional Saturday and year-end/new-year rules.