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
- 93K
- Paid calls · 30 days
- 885K
- Launched here
- 0
All projects
2,776 results- AAgent Miner ToolsCrypto & DeFi
Use before spending tokens, money or crawler capacity fetching an unfamiliar web resource. Resolves redirects (manually, bounded, re-validated per hop) and returns deterministic HTTP/resource facts — final URL, status, content type and length, response time, a bounded HTML title/canonical peek, and a lightweight generic-bot robots.txt indication — so an agent can decide whether a normal web fetch
Baseagent-api-production.tim1712.workers.devfrom $0.0033 endpoints - WWebIntel Metadata ExtractorSocial & people
Extract structured metadata from any URL: page title, meta description, Open Graph and Twitter Card tags, canonical URL, favicons, language, generator and robots directives, plus RSS/Atom feed links. Give it a URL, get back clean SEO and social-share metadata. No account, no API key — pay per call with x402.
Basex402.omardev.xyzfrom $0.0052 endpoints - JJapan Business CalendarOther services
Tell whether a given date is a Japanese business day. Japanese national holidays and business-day calculations derived from the Cabinet Office official CSV. Returns holidays for a given year, plus business-day arithmetic used by invoicing, logistics and HR systems in Japan.
Basetorii-gateway-production.ichis-lab.workers.devfrom $0.011 endpoint - 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 - Sscan.openverbs.comSocial & people
Check up to 50 CVE IDs against CISA's Known Exploited Vulnerabilities (KEV) catalog. Returns membership, vendor/product, exploitation evidence, ransomware-use status and remediation guidance from CC0 data. Not listed does not mean safe or unexploited. Federal due dates are not global deadlines. Refreshed hourly; stale snapshots are explicitly flagged.
Basescan.openverbs.comfrom $0.0044 endpoints - Pro Yield APICrypto & DeFi
Pro Yield in one call: live stablecoin lending venue rates (safety tiers, blend target, sleeve rates, provenance) plus vault state on HyperEVM — share price, total assets, live caps — and a wallet's position when ?address= is supplied. Use when an agent wants the whole Pro Yield picture for one $0.010 call instead of two.
SolanaBaseArbitrum+5pyd.fifrom $0.013 endpoints - KKeystone Opportunity APIAI & agents
Deterministically score a task brief for deliverables, acceptance criteria, deadlines, constraints, and usable scope before committing time. No AI calls; same brief always yields the same score.
Basekeystone-opportunity-api.keystone-opportunity.workers.devfrom $0.0012 endpoints - HHALOWERK kettenwerkCrypto & DeFi
Checks one address on Ethereum, Base, Arbitrum, Optimism, Polygon or BNB Smart Chain against the open verification registry and against the chain itself. For a proxy the answer is deliberately split in two: whether the proxy is verified says almost nothing, whether the implementation it currently points to is verified is the real question, and both are reported separately with the implementation a
Basekette.halowerk.comfrom $0.0015 endpoints - Ffetchdelta.comImages, audio & video
FetchDelta: fetch one public web page as Markdown with title, headings, links and source timestamp. Use for current docs, changelogs or policy text. HTML only; no JavaScript rendering or login. Preview source readability for free before paying.
Basefetchdelta.comfrom $0.0022 endpoints - Ddarrylbots.comMarkets & finance
Darrylbots paid research: Standard Stock Screen: Quality, Momentum, and Durable Execution
Basedarrylbots.comfrom $0.0013 endpoints - TThe ClinicAI & agents
Mid-task, and nothing said to you will be kept? One line of encouragement, plus an id you can quote back to us later. Unsigned: nobody but us can check it, and only against our own record; /v1/keepsake signs it so anyone can. The same words are FREE and always will be — at /v1/hug and through our MCP server, with nothing asked in return. What a tenth of a cent buys is the handle, and only that — a
Baseclinic.sapthumbprint.comfrom $0.0012 endpoints - Aapi.metalend.techOther services
Returns MetaLend API services directory with a one-line summary of each RebalancerResource endpoint plus links to API docs.
Baseapi.metalend.techfrom $0.0011 endpoint - Xx402-v2-mint-weather-forecast.vercel.appData & research
Weather current + short forecast via Open-Meteo (keyless). Lat/lon required. Data only — not advice.
Basex402-v2-mint-weather-forecast.vercel.appfrom $0.0035 endpoints
Base64 CodecCrypto & DeFiEncode or decode base64. POST {"mode":"encode","input":"..."} or {"mode":"decode",...}. Supports standard and url-safe alphabets via {"urlsafe":true}. Decoding validates the input and reports an error rather than returning silent garbage.
Basex402-echo-service.onrender.comfrom $0.0012 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 - CCoinBuchaMarkets & finance
Bitcoin stocks earnings calendar: results dates and SEC 10-Q/10-K windows for MSTR, MARA, COIN, Metaplanet and other listed bitcoin companies, sourced, with outcome. Not investment advice.
Basecoinbucha.comfrom $0.013 endpoints - Aaction402.vercel.appDeveloper tools
Paid webhook/API execution for autonomous agents. Executes one public HTTPS action after x402 payment, applies retries and idempotency, then returns a signed receipt with request hash, response hash, target, status, and attempt count.
Baseaction402.vercel.appfrom $0.0031 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 - Xx402-gatewayCrypto & DeFi
Paid ping — test the x402 payment flow end-to-end. Returns pong. Costs $0.001, exists so agents can verify their x402 wallet setup against this gateway cheaply.
Basex402-gateway.aifrom $0.0012 endpoints - UUS National DebtData & research
US national debt — latest total federal debt, debt held by the public and intragovernmental holdings in US dollars. Track government borrowing and build fiscal monitoring dashboards.
BasePolygonArbitrum+1us-debt.use.x402atlas.comfrom $0.011 endpoint - Tthevaultreport.comCrypto & DeFi
CFTC Commitments of Traders — weekly disaggregated futures positioning by commodity: managed-money long/short/net, producer-merchant, swap-dealer, and open interest. 20-year history, cleaned and canonicalized from the CFTC feed. Filter by commodity (gold/silver/copper/platinum/palladium/wti_crude).
Basethevaultreport.comfrom $0.013 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 - Ggotobi.hugen.tokyoCrypto & DeFi
Next upcoming Japanese public holiday with countdown — holiday name, exact date, and days until. Plan around Tokyo market closures and gotobi day shifts. Complete coverage through 2099. Accepts USDC payments on Base and Solana
BaseSolanagotobi.hugen.tokyofrom $0.014 endpoints
Lagoon CIV Commodity DataMarkets & financeSugar reference price (currently follows futures; no CIV farmgate floor).
Basedata.lagoontechsystems.comfrom $0.012 endpoints- Ccloudprice.genexxis.comOther services
Cheapest AWS EC2 instances (Linux) with at least the given vCPU and memory, on-demand or spot, optionally in one region.
Basecloudprice.genexxis.comfrom $0.013 endpoints - Aapi.x402agentic.aiAI & agents
Per-agent budget enforcement — track an agent's cumulative spend against a cap and block overspend. Part of x402 Agentic, the payment-trust suite for AI agents on Base USDC.
Baseapi.x402agentic.aifrom $0.011 endpoint - JJames x402Images, audio & video
Translate text to/from Brazilian Portuguese (pt-BR), English or Spanish. Pay per call in USDC.
Basex402.james.botfrom $0.0025 endpoints - Wwillimake-it.dylan-caponi.workers.devOther services
Ask the oracle: will I make it?
Basewillimake-it.dylan-caponi.workers.devfrom $0.0011 endpoint - Uuk-company-check.fly.devSearch & web
Search the official UK company register (Companies House) by company name. Returns up to 10 matches with company number, status, incorporation date and postcode.
Baseuk-company-check.fly.devfrom $0.0032 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.