x402 resource directory

Find paid HTTP operations and MCP tools by URL, host, method or tool name. Compare payment terms across networks and catalogs.

Distinct HTTP URLs
162,788
Distinct MCP URLs
43
Catalog observations
263,972
URLs with a 402 in 7 days
1,592
Network identifiers
181

These results as JSON

POST https://2captcha.x402.paysponge.com/getTaskResult · 2 observations
Service: 2Captcha (https://2captcha.x402.paysponge.com/getTaskResult)

2Captcha profile

  • Base · exact
    $0.0000 (USDC)
    Recipient 0x6302D9e6DBB22fEC3c350551568Bb39B4b35Ad57
    PayAI · seen
  • Base · exact
    Amount unreported
    agentic.market · seen
POST https://2captcha.x402.paysponge.com/reportCorrect · 1 observation
Report correct CAPTCHA solution

2Captcha profile

  • Base · exact
    Amount unreported
    agentic.market · seen
POST https://2captcha.x402.paysponge.com/reportIncorrect · 1 observation
Report incorrect CAPTCHA solution

2Captcha profile

  • Base · exact
    Amount unreported
    agentic.market · seen
GET https://2s.io/api/agriculture/drought · 3 observations
Returns agriculture drought data and indicators for a given request.

2s profile

  • Solana · exact
    $0.0010 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Dexter · seen
  • Base · exact
    $0.0010 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Dexter · seen
  • Base · exact
    $0.0010 (USDC)
    agentic.market · seen
GET https://2s.io/api/agriculture/stats · 1 observation
USDA NASS QuickStats — authoritative US agricultural statistics: crop yields, acreage, production, livestock inventory, and prices received. Filter by commodity (e.g. CORN, SOYBEANS, CATTLE), year (or year__GE/year__LE range), state (2-letter), county, statistic category (YIELD, PRODUCTION, AREA HARVESTED, PRICE RECEIVED), and aggregation level (NATIONAL/STATE/COUNTY). Returns normalized rows with value + unit. QuickStats caps results at 50,000 rows, so narrow broad queries (a 400 RESULT_TOO_LAR

2s profile

  • Base · exact
    $0.0010 (USDC)
    agentic.market · seen
GET https://2s.io/api/airport/lookup · 1 observation
Look up an airport by 3-letter IATA (e.g. SFO) or 4-letter ICAO (e.g. KSFO) code. Query: code (3-5 chars, alphanumeric). Returns { airport: { id, ident, type, name, latitude, longitude, elevationFt, continent, isoCountry, isoRegion, municipality, scheduledService, icaoCode, iataCode, gpsCode, localCode, wikipediaLink } } or 404 NOT_FOUND.

2s profile

  • Base · exact
    $0.0025 (USDC)
    agentic.market · seen
GET https://2s.io/api/airport/near · 3 observations
Airports within a radius of a coordinate, sorted by distance. Query: lat (-90..90), lon (-180..180), radius_km (1-2000, default 200), limit (1-100, default 20), type (optional: large_airport|medium_airport|small_airport|heliport|seaplane_base|balloonport|closed), country (optional 2-letter ISO 3166-1), scheduled_service (optional bool, true = commercial-service airports only). Returns { query, count, airports: [{ id, ident, name, iataCode, icaoCode, type, latitude, longitude, distanceKm, ... }]

2s profile

  • Solana · exact
    $0.0025 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Coinbase CDP · seen
    Coinbase CDP reports 4 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0025 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Coinbase CDP · seen
  • Base · exact
    $0.0025 (USDC)
    agentic.market · seen
GET https://2s.io/api/aviation/accidents · 1 observation
Search the NTSB civil aviation accident & incident database (CAROL) — US events from 1962 to present plus selected foreign investigations. Filter by aircraft registration (N-number, partial match), US state (2-letter code or name), make, model, city, and/or event date range (dateFrom/dateTo as YYYY-MM-DD). At least one filter is required. Returns matching events newest-first: NTSB number, event date/type, city/state/country, aircraft registration(s)/make(s)/model(s), highest injury level, onboar

2s profile

  • Base · exact
    $0.0012 (USDC)
    agentic.market · seen
GET https://2s.io/api/aviation/metar · 3 observations
Returns paid METAR aviation weather reports for airports and flight planning.

2s profile

  • Solana · exact
    $0.0012 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Dexter · seen
  • Base · exact
    $0.0012 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Dexter · seen
  • Base · exact
    $0.0012 (USDC)
    agentic.market · seen
GET https://2s.io/api/aviation/sigmet · 3 observations
Returns active aviation SIGMET weather hazard advisories for flight planning.

2s profile

  • Solana · exact
    $0.0027 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Dexter · seen
  • Base · exact
    $0.0027 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Dexter · seen
  • Base · exact
    $0.0011 (USDC)
    agentic.market · seen
GET https://2s.io/api/aviation/taf · 3 observations
Terminal Aerodrome Forecast (TAF) for one or more airports — the official aviation forecast issued for an airport (~24–30h ahead). Pass ids = comma-separated ICAO station ids (e.g. KATL). Returns the raw TAF text + issue time. Source: NOAA Aviation Weather Center (keyless). For current conditions use aviation.metar.

2s profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Solana · exact
    $0.0030 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Coinbase CDP · seen
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
GET https://2s.io/api/bank/lookup · 3 observations
FDIC-insured US bank directory lookup. Lookup by name (fuzzy match), FDIC certificate number, RSSD ID, or state. Each record includes name + short name, web address, active flag, city/state/county/zip, established + insured dates, charter class, bank class, primary federal regulator, number of branches, assets and deposits ($1000s), and closed-date + reason for inactive institutions. Public-domain FDIC data, free.

2s profile

  • Base · exact
    $0.0030 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Solana · exact
    $0.0030 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Coinbase CDP · seen
  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
GET https://2s.io/api/bio/gene · 1 observation
Look up a gene by its official symbol (e.g. "TP53", "BRCA1", "CFTR") and organism (taxid, default 9606 = human), merging NCBI Gene with UniProt. Returns the gene symbol, NCBI Gene ID, full description, organism, chromosome + cytogenetic map location, alias symbols, and the curated RefSeq function summary; plus the reviewed protein from UniProt — accession, entry id, recommended protein name, length in amino acids, and the curated function description. NCBI + UniProt links. Bioinformatics, clinic

2s profile

  • Base · exact
    $0.0019 (USDC)
    agentic.market · seen
GET https://2s.io/api/bio/protein · 1 observation
Look up a protein in UniProtKB by accession (e.g. "P04637", "Q9Y6K9", "P0DTC2"). Returns the entry id, reviewed (Swiss-Prot) flag, recommended + alternative protein names, gene names, organism + taxid, sequence length and molecular weight, the curated function description, subcellular locations, Gene Ontology terms (id + term + aspect: biological_process / molecular_function / cellular_component), PDB structure ids, and keywords. Bioinformatics, structural biology, drug-target research, educatio

2s profile

  • Base · exact
    $0.0036 (USDC)
    agentic.market · seen
GET https://2s.io/api/bio/species · 3 observations
Resolve any organism by scientific or common name to the GBIF taxonomic backbone — the canonical free reference for life on Earth. Returns the accepted scientific name + canonical name, taxonomic rank and status, the match type/confidence, the full classification (kingdom → phylum → class → order → family → genus → species), up to 8 English vernacular (common) names, the count of recorded occurrences worldwide, and the GBIF species URL. Biodiversity, ecology, education, and as a taxonomy normali

2s profile

  • Solana · exact
    $0.0036 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Base · exact
    $0.0036 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Coinbase CDP · seen
  • Base · exact
    $0.0036 (USDC)
    agentic.market · seen
GET https://2s.io/api/bls/series · 1 observation
US Bureau of Labor Statistics time-series data. Pass seriesIds = comma-separated BLS series IDs (1-10 per call), optional startYear + endYear bracket (max 10 years). Each observation: year, period (M01-M12 monthly, Q01-Q04 quarterly, A01 annual, S01/S02 semiannual), periodName, value (verbatim string from BLS) + numericValue (parsed number), latest flag, footnote texts. Common series IDs: LNS14000000 (unemployment rate), CUUR0000SA0 (CPI-U all items), CES0000000001 (nonfarm employment), LNS11300

2s profile

  • Base · exact
    $0.0012 (USDC)
    agentic.market · seen
GET https://2s.io/api/book/search · 1 observation
Open Library book metadata search. Lookup by free-text query (matches title + author), or by individual title / author / ISBN (10 or 13 digit). Each record includes Open Library work key, title, author names + Open Library author keys, first publish year, edition count, cover image URL, sample ISBNs, publishers, languages, subject tags, fulltext flag, ebook access tier (public/borrowable/printdisabled/no_ebook), and canonical openlibrary.org URL. CC0 public-domain metadata.

2s profile

  • Base · exact
    $0.0012 (USDC)
    agentic.market · seen
GET https://2s.io/api/business/br-cnpj · 3 observations
Looks up Brazilian company details by CNPJ.

2s profile

  • Base · exact
    $0.0011 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Dexter · seen
  • Solana · exact
    $0.0011 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Dexter · seen
  • Base · exact
    $0.0011 (USDC)
    agentic.market · seen
GET https://2s.io/api/business/entity-match · 3 observations
Matches and identifies business entities from provided data.

2s profile

  • Solana · exact
    $0.0029 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Dexter · seen
  • Base · exact
    $0.0029 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Dexter · seen
  • Base · exact
    $0.0029 (USDC)
    agentic.market · seen
GET https://2s.io/api/business/entity-profile · 1 observation
Full business-entity dossier from a state registry — master record plus officers/principals, registered agent (name, phone, email, address), and filing history — the detail layer that flat registry search omits. v1 state: CT (Connecticut). Resolve by entityId (state registry record id), accountNumber, or name (partial; most recent registration wins). Returns entity status, type, registration date, mailing address, minority/woman/veteran/disability/LGBTQI ownership flags, officers, registered age

2s profile

  • Base · exact
    $0.0030 (USDC)
    agentic.market · seen
GET https://2s.io/api/business/entity-screen · 1 observation
KYC in one call: look up a business in a US state registry (NY, CO, CT) AND screen it against the OFAC sanctions list. Give a state and a name (or exact entityId). Returns the matched registered entities (id, type, status, jurisdiction, address, registered agent) and, for each, a sanctions screen of the entity name AND its registered agent against OFAC SDN — with fuzzy-match confidence and a flagged boolean. Counterparty due-diligence, vendor onboarding, AML. Composition of /api/business/sos-sea

2s profile

  • Base · exact
    $0.0058 (USDC)
    agentic.market · seen
GET https://2s.io/api/business/fi-companies · 1 observation
Official Finnish company registry search (PRH/YTJ avoindata, Finnish Patent & Registration Office). Search by company name. Each result: Business ID (Y-tunnus), current name, company form, trade-register status, primary line of business, registration date, and street address — descriptions in English where available. Free, CC BY 4.0. The authoritative FI company lookup — complements business.uk-companies and business.lei.

2s profile

  • Base · exact
    $0.0014 (USDC)
    agentic.market · seen
GET https://2s.io/api/business/fr-companies · 1 observation
Official French company registry search (annuaire des entreprises / data.gouv.fr). Search by company name, SIREN, SIRET, or director. Each result: SIREN, legal name, legal-form code, primary NAF activity code, enterprise category (PME/ETI/GE), employee-count range, creation date, administrative status (active/ceased), head-office SIRET and address. Free, Licence Ouverte. The authoritative FR company lookup — complements business.uk-companies and business.lei.

2s profile

  • Base · exact
    $0.0014 (USDC)
    agentic.market · seen
GET https://2s.io/api/business/id-resolve · 3 observations
Resolve a legal entity across identifier systems. Give exactly one of name, lei, cik, or ticker and get the others back: LEI (GLEIF), SEC CIK, ticker(s) with exchange, jurisdiction, and a canonical entity name. This is the COMPANY-ENTITY resolver: it joins the legal entity (LEI) to its SEC filer identity (CIK/ticker) and back. For SECURITIES (FIGI, ISIN, share-class identifiers) use finance.security-resolve instead -- this one deliberately stays at the legal-entity layer. Composes SEC company_ti

2s profile

  • Base · exact
    $0.0120 (USDC)
    Recipient 0x2b6D4988Db4723E6908Db86Ab2b8dFBc51FC32C5
    Coinbase CDP · seen
    Coinbase CDP reports 1 calls and 1 unique payers in 30 days. Last call .
  • Solana · exact
    $0.0120 (USDC)
    Recipient TW6ntaGzvj63ZgPjszd4FCGmVTGfzv1MAYZbjYcyWhn
    Coinbase CDP · seen
  • Base · exact
    $0.0120 (USDC)
    agentic.market · seen

Counts describe directory coverage, including testnets. Each resource groups the same URL, HTTP method or MCP tool across sources. A catalog sighting records published terms. A live 402 records the endpoint’s reply to an unpaid request.