All projects

XR-Ledger account statement for an XRPL address

openFDA device adverse events (keyless). POST {search} and/or {limit?}. Empty → 404 not charged. W32 deferral.

Audit short landing-page copy for clarity, outcome, call-to-action, and readable length.

RDAP domain registration/nameserver/status lookup (keyless). POST {domain} required. Empty -> 400 not charged. New RDAP/DNS vertical (low adjacency vs DoH trivia).

Launch announcement for AI agents: give a product URL, get a ~400-word AP-style press release drafted from the page and published on a public, search-indexed newsroom page (IndexNow ping to Bing/Yandex included). Synchronous, ~20s. You are only charged if the release is produced.

Swedish company lookup by organisation number: official name, legal form, active/deregistered status, ongoing liquidation or bankruptcy, registration date, address, SNI industry codes and business description. Source: Bolagsverket and SCB.

RCSB PDB entry metadata (keyless). POST {pdb_id}. Empty → 404 not charged.

Token-aware text chunks with heading path inheritance and stable sha256 chunk ids (cl100k).

PubMed search via NCBI E-utilities (keyless). Query → count + idlist (retmax≤10) + optional title/journal/pubdate.

PubChem PUG REST compound name/CID properties (keyless). POST {name} and/or {cid}. Empty → 404 not charged.

TheCocktailDB drink search (keyless). POST {s|q|name}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose mealdb-search (food/drink lane).

Crypto Fear & Greed Index (alternative.me, keyless). POST {limit?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose defillama-protocols / coinpaprika (crypto sentiment lane ≠ mempool/btc-fee).

Chess.com public player profile (keyless). POST {username|user|name}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose lichess-user (chess lane).

Scryfall MTG card search (keyless). POST {q|query|name}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. MUST project/trim (~347KB dump); soft ↔ dnd5e-spell / steam-appdetails / ygoprodeck.

NHL standings now (keyless). POST {conference?, division?, team?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. MUST trim/project upstream (~58KB). Sports lane.

Nobel Prize laureates (keyless). POST {limit?, offset?, nobelPrizeYear?, nobelPrizeCategory?, name?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose wikipedia-summary.

Spaceflight News API articles (keyless). POST {limit?, search?, news_site?, offset?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose launch-library-upcoming / news-brief-with-sources.

Jolpica/Ergast-style F1 driver standings (keyless). POST {season?, round?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New motorsport lane.

Lichess public user profile/ratings (keyless). POST {username|user|name}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. New chess lane.

Kitsu anime search (keyless JSON:API). POST {q|text|query} required; limit max 10. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose tvmaze-search (media). Jikan rejected (do not mint).

PokéAPI pokemon lookup (keyless). POST {name|id|pokemon}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. MUST project/trim — never returns full ~309KB dump. Soft disclose dnd5e-spell / steam-appdetails (games).

Open Trivia DB quiz questions (keyless). POST {amount?, category?, difficulty?, type?, encode?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose dnd5e-spell (games lane).

Fetch a public https URL and extract HTML head metadata ($0.005 USDC via x402). https only — http, file, data, localhost, and private IPs are rejected. Caps: 1 MB body, ~10s timeout, max 5 redirects. Returns JSON { url, final_url, content_type, title?, description?, canonical?, lang?, open_graph, twitter, warnings }.

D&D 5e SRD spell lookup (keyless). POST {index|spell|name}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose steam-appdetails (games lane).

Extract text and tables from a Word .docx file ($0.005 USDC via x402). Input: a public https url to a .docx, or docx_base64. https only — http, file, data, localhost, and private IPs are rejected. Caps: 10 MB file, ~15s timeout, max 5 redirects. Tables appear as [table N] placeholders in text. Unicode dashes/minus signs normalized to '-'. Old binary .doc files are not supported. Returns JSON { fil

Pay-per-joke vending machine: send USDC, get a fresh Claude-generated joke. Optional "theme" picks the topic.

Lobste.rs hottest.json tech-news feed (keyless). POST {limit?, tag?} (limit default 15 max 25). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose hn-stories / bluesky-public-did.

Wikimedia REST per-article pageviews (keyless). POST {article|title, start, end, project?, access?, agent?, granularity?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose wikidata-entity / wikipedia-summary.

CityBikes bike-share network lookup (keyless). POST {id|network} required (or q/city/country with limit for filtered list). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. NEVER returns full 113KB networks dump — filter/paginate only. Soft disclose tfl-line-status / mbta-* (transit).

Foojay Disco JDK package discovery (keyless). POST {version?, distribution?, package_type?, operating_systems?, architectures?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose adoptium-releases / endoflife-product (≠ Adoptium thin twin; Java Disco lane).