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Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.
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4,273 results- Xx402-v2-mint-ensembl-gene-lookup.vercel.appOther services
Ensembl gene symbol/ID lookup (keyless). POST {symbol} with optional {species?} or {id}. Empty → 404 not charged.
Basex402-v2-mint-ensembl-gene-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-endoflife-product.vercel.appOther services
endoflife.date product version lifecycle / EOL dates (keyless). POST {product}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose software-heritage-origin (≠ SWH archive origin; software EOL lifecycle lane).
Basex402-v2-mint-endoflife-product.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-encode-search.vercel.appSearch & web
ENCODE genomics experiment/search (keyless). POST {q|query|searchTerm}/{limit?}. Empty -> 400 not charged.
Basex402-v2-mint-encode-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-ecb-exr.vercel.appMarkets & finance
ECB EXR official FX reference rates SDMX (keyless). POST {currency?}/{last_n?}. Empty -> 400 not charged. fx-spot/fx-history adjacency disclosed.
Basex402-v2-mint-ecb-exr.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dryad-datasets.vercel.appSearch & web
Dryad research datasets search (keyless). POST {q|query} with optional {per_page?}. Empty → 400 not charged.
Basex402-v2-mint-dryad-datasets.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dog-ceo-breeds.vercel.appOther services
Dog CEO breeds list (keyless). POST {breed?} (omit = all). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Pets lane.
Basex402-v2-mint-dog-ceo-breeds.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dockerhub-image.vercel.appImages, audio & video
Docker Hub image/repo metadata (keyless). POST {name|image|namespace+repository}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose package-registry / foojay / crates / nuget / deps-dev / endoflife.
Basex402-v2-mint-dockerhub-image.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-doaj-articles.vercel.appSearch & web
DOAJ open-access articles search (keyless). POST {q|query} / {pageSize?}. Empty → 400 not charged.
Basex402-v2-mint-doaj-articles.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dnd5e-spell.vercel.appData & research
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).
Basex402-v2-mint-dnd5e-spell.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-disease-sh-country.vercel.appOther services
disease.sh country COVID/disease stats (keyless). POST {country}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: who-gho-indicator (≠ WHO GHO indicator series; disease.sh country lane).
Basex402-v2-mint-disease-sh-country.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-discogs-search.vercel.appImages, audio & video
Discogs release/search (keyless; Discogs User-Agent). POST {q|query|artist|release_title}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose musicbrainz-lookup.
Basex402-v2-mint-discogs-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-digitalnz-search.vercel.appSearch & web
DigitalNZ cultural heritage records (keyless). POST {text}/{q?}/{per_page?}. Empty -> 400 not charged. europeana/LoC/IA adjacency disclosed.
Basex402-v2-mint-digitalnz-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dictionary-define.vercel.appCrypto & DeFi
Dictionary definitions via api.dictionaryapi.dev (keyless). Word → meanings (partOfSpeech + definitions), phonetics, sourceUrls.
Basex402-v2-mint-dictionary-define.vercel.appfrom $0.0021 endpoint - Xx402-v2-mint-deps-dev-package.vercel.appCrypto & DeFi
Google deps.dev / Open Source Insights package metadata (keyless). POST {system, name|package}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: packagist-package / nuget-package / osv-vuln-query / openssf-scorecard (≠ those products; deps.dev supply-chain lane).
Basex402-v2-mint-deps-dev-package.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-defillama-protocols.vercel.appCrypto & DeFi
DefiLlama protocols TVL list (keyless). POST {} or {name?, slug?, limit?, category?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. DeFi TVL lane (≠ mempool/btc-fee / coinpaprika ticker).
Basex402-v2-mint-defillama-protocols.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dataverse-dataset-search.vercel.appSearch & web
Harvard Dataverse dataset search (keyless). POST {q|query}/{per_page?}. Empty -> 400 not charged.
Basex402-v2-mint-dataverse-dataset-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dataeuropa-ds.vercel.appSearch & web
data.europa.eu hub dataset search (keyless). POST {q}/{limit?}. Empty -> 400 not charged. humdata/dataverse/canada-od adjacency disclosed.
Basex402-v2-mint-dataeuropa-ds.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-datacite-doi-lookup.vercel.appData & research
DataCite DOI / research-data metadata (keyless). POST {query?} / {doi?} / {pageSize?}. Empty → 400 not charged.
Basex402-v2-mint-datacite-doi-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-data-gouv-datasets.vercel.appSearch & web
data.gouv.fr datasets search (keyless). POST {q}/{page?}/{page_size?}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: eurostat-dataset (FR open data catalog ≠ Eurostat SDMX).
Basex402-v2-mint-data-gouv-datasets.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-dailymed-spl-search.vercel.appSearch & web
DailyMed SPL label search (keyless; disclose openfda/RxNorm adjacency — DailyMed ≠ openfda wrap). POST {q|drug_name}/{pagesize?}. Empty -> 400 not charged.
Basex402-v2-mint-dailymed-spl-search.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-crt-sh-ct-lookup.vercel.appSearch & web
crt.sh Certificate Transparency search (keyless). POST {q} required. Empty -> 400 not charged. Distinct CT/PKI lane — disclose security adjacency vs openssf/osv/nvd.
Basex402-v2-mint-crt-sh-ct-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-crossref-works.vercel.appSearch & web
Crossref works search (keyless). POST {query} with optional {rows?} or {doi}. Empty → 404 not charged.
Basex402-v2-mint-crossref-works.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-crossref-members.vercel.appSearch & web
Crossref members search (keyless). POST {q|query}/{rows?}. Empty -> 400 not charged. Crossref works/journals/funders adjacency disclosed.
Basex402-v2-mint-crossref-members.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-crossref-journals.vercel.appSearch & web
Crossref journals search (keyless). POST {q|query}/{rows?}. Empty -> 400 not charged. Adjacent to Crossref works/funders.
Basex402-v2-mint-crossref-journals.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-crossref-funders.vercel.appSearch & web
Crossref funders search (keyless). POST {q|query}/{rows?}. Empty -> 400 not charged.
Basex402-v2-mint-crossref-funders.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-crates-io-lookup.vercel.appSearch & web
crates.io crate metadata / search (keyless). POST {crate} and/or {query,per_page?}. Miss → 404 not charged.
Basex402-v2-mint-crates-io-lookup.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-cpsc-recalls.vercel.appSearch & web
CPSC/SaferProducts.gov consumer product recalls search (keyless). POST {RecallTitle} (+ optional RecallNumber/Manufacturer/ProductName/format). Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Disclose adjacency: nhtsa-recalls (vehicle safety recalls ≠ CPSC consumer product recalls).
Basex402-v2-mint-cpsc-recalls.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-country-info.vercel.appOther services
Country metadata (keyless). name or code (cca2/cca3) → name/capital/region/currencies/languages/flags/population. restcountries v3.1 with apicountries fallback.
Basex402-v2-mint-country-info.vercel.appfrom $0.0021 endpoint - Xx402-v2-mint-coinpaprika-ticker.vercel.appCrypto & DeFi
CoinPaprika ticker quote (keyless). POST {id|coin|symbol}. Unpaid empty → 402; after settle empty/invalid → 400 charged:false. Soft disclose fear-greed / defillama. Not financial advice.
Basex402-v2-mint-coinpaprika-ticker.vercel.appfrom $0.021 endpoint - Xx402-v2-mint-cocktail-search.vercel.appSearch & web
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).
Basex402-v2-mint-cocktail-search.vercel.appfrom $0.021 endpoint
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