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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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Search & web
230 results- Ddata.japanagent.devSearch & web
Company name search across jurisdictions. jurisdiction=lei searches the global GLEIF LEI database (all countries); jurisdiction=jp searches the official Japan National Tax Agency corporate registry. Returns registered legal names, identifiers, and addresses. KYB / counterparty verification primitive.
Basedata.japanagent.devfrom $0.0023 endpoints - Sstreamsage.newsSearch & web
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Basestreamsage.newsfrom $0.011 endpoint - GGEDX402 SearchSearch & web
Tavily web search — POST { query, max_results?: 5 } on search.gedx402.com; ranked results via Tavily API. $0.042 USDC per request. AM-winning shape at /v1/search. Agent search: tavily, web search, serp, search lite, semantic search.
BasePolygonArbitrum+2search.gedx402.comfrom $0.016 endpoints - Bbanking-compliance-production.up.railway.appSearch & web
Search the federal banking compliance rules database. 56 rules across Reg DD, Reg Z, UDAAP, ECOA, BSA/AML, and more.
Basebanking-compliance-production.up.railway.appfrom $0.0031 endpoint - UUS Regulations PipelineSearch & web
US federal regulations in the pipeline — documents on public inspection at the Federal Register, filed by agencies and scheduled to publish, with type, agencies, filing time and the scheduled date. Use to see tomorrow's rules, notices and executive orders before they are published.
BasePolygonArbitrum+1us-regulations.use.x402atlas.comfrom $0.0055 endpoints - KKeenableSearch & web
Keenable web search for AI agents: ranked results with title, URL and snippet for a natural-language or keyword query. Pay per request, no API key.
Baseapi.keenable.aifrom $0.013 endpoints - VVIA API CompareSearch & web
Compare APIs and software services. Returns one recommendation plus up to three alternatives.
Basevia-router.floot.appfrom $0.017 endpoints - Nnatur.halowerk.comSearch & web
Returns a single earthquake in decision-ready form, either by its USGS event identifier or as the most significant event matching a search. Magnitude is reported with the magnitude type, because moment magnitude and local magnitude are not interchangeable at the edges of their ranges.
Basenatur.halowerk.comfrom $0.0046 endpoints - Aapi.genesistokenlabs.comSearch & web
Use when an agent needs any web page as clean LLM-ready markdown (no ads, nav, or scripts) for RAG, research, or summarizing. Example input: GET /x402/v1/web-extract?url=https://example.com/article. Example output: {"url":"https://example.com/article","title":"…","markdown":"# Title\n\nBody text…","wordCount":812}
BaseEthereumArbitrum+3api.genesistokenlabs.comfrom $0.0015 endpoints - GGDELT Global News IntelligenceSearch & web
Global news article search by GDELT — normalized fulltext search across worldwide media (query syntax: phrases, OR, sourcecountry, theme, tone) returned as a clean snake_case envelope.
BasePolygonArbitrum+1gdelt.use.x402atlas.comfrom $0.0052 endpoints - VVIN Decoder (NHTSA vPIC)Search & web
Decode a VIN into make, model, model year and vehicle attributes using NHTSA vPIC. Use when an agent has a VIN and needs structured vehicle information. Call GET ?vin= or POST JSON {"vin"}; full or partial VINs, decode errors preserved. No owner lookup.
Basefoundry-par007-machine-revenue-mainnet.inference-chip-index.workers.devfrom $0.0034 endpoints - EEarthquake IntelligenceSearch & web
Recent earthquakes — search newest-first USGS seismic events by rolling time window and minimum magnitude, with revision, freshness, and provenance.
BasePolygonArbitrum+1earthquakes.use.x402atlas.comfrom $0.0052 endpoints
Useful Work toolsSearch & webCheck up to 15 links on a public web page and report which are broken
Basetools.usefulwork.appfrom $0.0023 endpoints- Rresearch.genexxis.comSearch & web
Search scholarly papers across OpenAlex, arXiv and Crossref (merged, de-duplicated): title, authors, year, venue, DOI, arXiv id, citation count, open-access PDF link, abstract, topics.
Baseresearch.genexxis.comfrom $0.013 endpoints - Wweb-scraper-api-production-bf20.up.railway.appSearch & web
Fetch a URL and extract clean main-content text with title, description, word count, and char count; boilerplate (nav/footer/sidebar/ads) is stripped.
Baseweb-scraper-api-production-bf20.up.railway.appfrom $0.0023 endpoints - HHelpMyAgentSearch & web
Searches French companies by name, SIREN, SIRET or optional location criteria and returns structured matching company records.
Basexrplapi.helpmyagent.comfrom $0.0022 endpoints - AASI Agent Search IndexSearch & web
Web search for AI agents over ASI's own crawled English index: title, URL, snippet, source, date and score as JSON.
Baseapi.asi.xynatec.comfrom $0.0051 endpoint - AAgent Data APISearch & web
Search open U.S. federal contract opportunities (solicitations, presolicitations, sources sought) from a copy synced from SAM.gov several times a day. Use when you need current government RFPs or bids matching a title keyword, 6-digit NAICS code, small-business set-aside or place-of-performance state. Returns deduplicated JSON: notice ID, title, agency, NAICS, set-aside, posted date, response dead
Baseagent-data-api.agentdata.workers.devfrom $0.011 endpoint - Aapi.obeliskapp.ioSearch & web
Search Obelisk's curated spy ad catalog when you need competitor creative examples by keyword, brand, or platform. Returns JSON ad cards. Use limit=1 for a cheap first call.
Baseapi.obeliskapp.iofrom $0.011 endpoint - Aapi.alexstokes.comSearch & web
UK tenders and public procurement search for apps, automations and AI agents. Search UK government contract notices from Find a Tender by keyword, CPV, delivery region, deadline and value. Returns up to 25 structured notices with buyers, deadlines, values and official source links where available. Bounded ingestion window, not all UK contracts; check free /status. Successful empty searches are cha
Baseapi.alexstokes.comfrom $0.011 endpoint - Mmesh402.wreckbots.ioSearch & web
Read a public web page as it is seen from up to 3 countries (residential and datacenter vantage points), returned as clean text with title and language, plus whether the countries see the same content. Respects robots.txt and Content-Signal. Not charged if the page cannot be read.
BaseSolanamesh402.wreckbots.iofrom $0.0023 endpoints - CCelerAPISearch & web
Search authoritative company registries by company name to resolve candidate legal entities and registration identifiers. Currently supports the United Kingdom (GB) and Norway (NO), with expanding jurisdiction coverage. Results are public-register evidence, not a KYC or KYB compliance determination.
Basecelerapi.comfrom $0.0051 endpoint - Xx402-v2-mint-wikidata-entity.vercel.appSearch & web
Wikidata entity lookup (CC0, keyless). Q-id and/or search → trimmed labels/descriptions/aliases + small claim set.
Basex402-v2-mint-wikidata-entity.vercel.appfrom $0.0031 endpoint - RRecords for AgentsSearch & web
Search US federal product recalls (CPSC consumer products, FDA food/drug/device enforcement, NHTSA vehicle campaigns, and USDA FSIS meat/poultry recalls through 2026-10-22) by free-text query, firm name, date range, and source.
Baserecalls.recordsforagents.comfrom $0.011 endpoint - Aagents.aiscale.proSearch & web
AiScale News Summary: Summarizes recent news for a topic. Returns structured summaries with source, date, relevance score, and key takeaways.
Baseagents.aiscale.profrom $0.0024 endpoints - SSCOPE Research APISearch & web
Research a company and return company intelligence using current public sources. Covers business facts, products, competitors, competitor analysis, recent developments, risks, positioning, and citations.
BaseSolanascopeapi.devfrom $0.0035 endpoints - Vvps.phoneagent.xyzSearch & web
VpsAgent — rent disposable VPS compute via x402, no signup required. Two product lines: ephemeral sandboxes (1h / 6h / 24h, 1 vCPU / 1 GB RAM / 25 GB SSD, $0.50–$5.00) for code execution, CI runs, browser automation; persistent servers (small / medium / large, 30-day or 365-day, $14.99–$449.99) with 4–8 vCPU / 8–24 GB RAM / 100–300 GB SSD, 200–600 Mbit/s unmetered for hosting agents, services, dev
Basevps.phoneagent.xyzfrom $0.012 endpoints - WWicked RegistrySearch & web
List and search scored x402/MCP tools
Baseregistry.wickedapi.comfrom $0.011 endpoint - Xx402-v2-mint-pubmed-search.vercel.appSearch & web
PubMed search via NCBI E-utilities (keyless). Query → count + idlist (retmax≤10) + optional title/journal/pubdate.
Basex402-v2-mint-pubmed-search.vercel.appfrom $0.0035 endpoints - Rrouter.forgemesh.ioSearch & web
Search x402 service registry — broad q search plus health, score, category, tag, and tags filters
Baserouter.forgemesh.iofrom $0.0012 endpoints
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.