Explore APIs
Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
- Projects
- 4.4K
- Paid endpoints
- 87K
- Paid calls · 30 days
- 885K
- Launched here
- 0
Other services
886 results- Xx402scanOther services
Paginated list of merchants (top recipients by volume)
Basex402scan-git-router-117-merit-systems.vercel.appfrom $0.011 endpoint - Xx402.dtelecom.orgOther services
Purchase microcredits for gateway services
BaseSolanax402.dtelecom.orgfrom $5.001 endpoint - Xx402-v2-mint-ygoprodeck-card.vercel.appOther services
YGOPRODeck Yu-Gi-Oh card lookup (keyless). POST {name|fname|id}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose scryfall-cards. Response trimmed (no full card_sets dump).
Basex402-v2-mint-ygoprodeck-card.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-worms-aphia-lookup.vercel.appOther services
WoRMS Aphia marine taxonomy lookup (keyless, marine-scoped). POST {q|name|scientificname}. Empty -> 400 not charged.
Basex402-v2-mint-worms-aphia-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-worldbank-indicator.vercel.appOther services
World Bank API v2 indicator by country (keyless). POST {country,indicator} and/or {date?}. Empty → 404 not charged.
Basex402-v2-mint-worldbank-indicator.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-worldbank-country.vercel.appOther services
World Bank country metadata (keyless). POST {country|code|id}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose worldbank-indicator / country-info.
Basex402-v2-mint-worldbank-country.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-usgs-volcano-elevated.vercel.appOther services
USGS volcano elevated CAP alerts (keyless getCapElevated). POST {alert_level?} or {include_all:true}. Empty {} -> 400 not charged. earthquake/usgs-landslides/eonet/fema/humdata adjacency disclosed.
Basex402-v2-mint-usgs-volcano-elevated.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-usgs-landslides.vercel.appOther services
USGS FDSN landslide events (keyless; eventtype=landslide). POST {starttime?}/{endtime?}/{limit?}. Empty -> 400 not charged. earthquake/fema/eonet/humdata adjacency disclosed.
Basex402-v2-mint-usgs-landslides.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-usgs-elevation.vercel.appOther services
USGS EPQS point elevation (keyless). POST {lon,lat} and/or {x,y,units?}. Timeout ≤10s. Empty/5xx → 502/404 not charged.
Basex402-v2-mint-usgs-elevation.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-uk-carbon-intensity.vercel.appOther services
UK national carbon intensity (keyless, UK-scoped). POST {period|from|to}. Empty -> 400 not charged.
Basex402-v2-mint-uk-carbon-intensity.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-treasury-debt-to-penny.vercel.appOther services
US Treasury FiscalData Debt to the Penny (keyless). POST {limit?}/{sort?}/{filter?}. Empty -> 400 not charged. Distinct treasury fiscal lane — disclose usaspending adjacency.
Basex402-v2-mint-treasury-debt-to-penny.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-software-heritage-origin.vercel.appOther services
Software Heritage origin metadata (keyless). POST {url} origin URL. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Light adjacency: github-repo-meta (live GitHub meta ≠ SWH archive origin).
Basex402-v2-mint-software-heritage-origin.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-seo.vercel.appOther services
On-page SEO audit of one fetched public URL (title/meta/headings/alt/keywords). Amp port. Verify-before-settle; 422 if fetch blocked.
Basex402-v2-mint-seo.vercel.appfrom $0.011 endpoint - Xx402-v2-mint-seo-compare.vercel.appOther services
Gap table vs ≤3 competitors using seo-v2 checks. Amp port as seo-compare (NOT seo-v2 product). Verify-before-settle; 422 if blocked.
Basex402-v2-mint-seo-compare.vercel.appfrom $0.051 endpoint - Xx402-v2-mint-sec-ticker-lookup.vercel.appOther services
SEC company ticker→CIK lookup (keyless company_tickers.json). POST {ticker} and/or {cik}/{title_query}. Miss → 404 not charged.
Basex402-v2-mint-sec-ticker-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-rxnorm-lookup.vercel.appOther services
NLM RxNorm drug name↔RxCUI lookup (keyless). POST {name} and/or {rxcui}. Empty idGroup → 404 not charged.
Basex402-v2-mint-rxnorm-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-ripe-prefix-overview.vercel.appOther services
RIPE Stat prefix→ASN/holder overview (keyless). POST {resource}/{prefix?} required. Empty -> 400 not charged. peeringdb-net / whois-rdap-ip adjacency disclosed.
Basex402-v2-mint-ripe-prefix-overview.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-rcsb-pdb-lookup.vercel.appOther services
RCSB PDB entry metadata (keyless). POST {pdb_id}. Empty → 404 not charged.
Basex402-v2-mint-rcsb-pdb-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-public-holidays.vercel.appOther services
Public holidays via Nager.Date (keyless). ISO country + year → holiday list.
Basex402-v2-mint-public-holidays.vercel.appfrom $0.0021 endpoint - Xx402-v2-mint-pubchem-compound.vercel.appOther services
PubChem PUG REST compound name/CID properties (keyless). POST {name} and/or {cid}. Empty → 404 not charged.
Basex402-v2-mint-pubchem-compound.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-pokeapi-pokemon.vercel.appOther services
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).
Basex402-v2-mint-pokeapi-pokemon.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-peeringdb-net-lookup.vercel.appOther services
PeeringDB network/ASN lookup (keyless). POST {asn}/{name?}/{id?}. Empty -> 400 not charged. Distinct peering/IX lane — disclose rdap/ripe adjacency lightly.
Basex402-v2-mint-peeringdb-net-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-pdbe-entry-lookup.vercel.appOther services
PDBe PDB entry summary (keyless; PDBe/RCSB-adjacent). POST {id|pdb_id|q}. Empty -> 400 not charged.
Basex402-v2-mint-pdbe-entry-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-packagist-package.vercel.appOther services
Composer/Packagist package metadata p2 (keyless). POST {vendor}/{package}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. PHP package registry lane (≠ npm/pypi/crates).
Basex402-v2-mint-packagist-package.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-osv-vuln-query.vercel.appOther services
OSV.dev vulnerability query (keyless). POST {package:{name,ecosystem},version?}/{commit?}. Empty -> 400 not charged. nist-nvd-cve-lookup adjacency. Native POST api.osv.dev/v1/query (GET 405).
Basex402-v2-mint-osv-vuln-query.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-osrm-route.vercel.appOther services
OSRM driving route (keyless). POST {coordinates|from+to}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose mbta-routes / tfl-line-status (transit adjacency only).
Basex402-v2-mint-osrm-route.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-osint-graph.vercel.appOther services
Public Wikidata relationship graph (≤2 hops). Fixed property list; privacy bounds (no family/contact). Empty+reason → charged:false. Amp port.
Basex402-v2-mint-osint-graph.vercel.appfrom $0.011 endpoint - Xx402-v2-mint-opentdb-trivia.vercel.appOther services
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).
Basex402-v2-mint-opentdb-trivia.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-openfoodfacts-product-lookup.vercel.appOther services
Open Food Facts product lookup (keyless). POST {barcode|code|q|query}. Empty -> 400 not charged.
Basex402-v2-mint-openfoodfacts-product-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-openbd-isbn-lookup.vercel.appOther services
OpenBD Japanese ISBN bibliographic lookup (keyless; disclose isbn/openlibrary/Hathi/IA). POST {isbn|isbns}. Empty -> 400 not charged.
Basex402-v2-mint-openbd-isbn-lookup.vercel.appfrom $0.021 endpoint
Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.