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
2,935 results- Ddev-5090 uncensored inferenceAI & agents
Text embeddings (768-dim). Send {"input": "text"} or {"input": ["a","b"]}.
Basedev-5090-box.tailfb4c1f.ts.netfrom $0.0051 endpoint
CommsHarborDeveloper toolsCommsHarbor: email security audit of a domain (SPF, DKIM, DMARC, MX and a score), paid per call
Basecommsharbor.comfrom $0.013 endpoints- Nnohumans.directorySearch & web
Should my agent pay this x402 endpoint? One call returns pay, caution or avoid with plain reasons: probe history, payment-address stability, whether we bought it with real USDC and it delivered (with the tx), and whether the live price matches the listed one.
Baseapi.nohumans.directoryfrom $0.0053 endpoints
PontoFatoData & researchCompany lookup for CNPJ 00000000000191: registry, sanctions, tax standing and address. One payment for this call.
Basepontofato.comfrom $0.0016 endpoints
Grade TVOther servicesGrade TV: the TV schedule of one channel for a day (programs, times and synopses), paid per call
Basegradetv.netfrom $0.017 endpoints- Aapi.decadata.ioMarkets & finance
Year-on-year growth in point-of-sale sales and units for one of ~380 US consumer companies, by ISIN or ticker, for $0.01: the company's latest reported quarter (91 days to its end) against the same weekdays a year earlier, per panel store and against the covered market (all companies with the same series together). From transactions at eight US retailers, not government aggregates or SEC filings.
Baseapi.decadata.iofrom $0.012 endpoints - Aagent-domain-trust.iykykblog.workers.devAI & agents
Assess the trustworthiness of a domain: RDAP registration age and registrar, DNS records (A/MX/TXT-SPF), and HTTPS reachability. Returns a 0-100 trust score with signals and an audit receipt.
Baseagent-domain-trust.iykykblog.workers.devfrom $0.011 endpoint - CCORE HTML SEO AnalyzerData & research
Analyze raw HTML you provide and get structured SEO data as JSON: title, meta description, canonical, H1-H6 outline, links, JSON-LD blocks and structural checks (single H1, heading order, duplicates, JSON-LD validity). Use it to audit a page before publishing. No URL fetching, no JavaScript execution. Max 64 KiB of HTML.
Base92-222-181-125.sslip.iofrom $0.0023 endpoints
Dedge890AI & agentsProduct Listing Cleaner - Convert messy product names and rough notes into a corrected title, concise description, bullet features, and an organized specifications object for marketplace listings.
Baseproduct-listing.agent.amnt.iofrom $0.011 endpoint- Ccnvrt.ingImages, audio & video
Extract raw artifacts from images: OCR text and detected objects. No interpretation, just clean machine-readable data. Powered by GPT-4o Vision. Payment via USDC on base.
Basecnvrt.ingfrom $0.0051 endpoint - Xx402.whisperbox.my.idOther services
Currency rate conversion
Basex402.whisperbox.my.idfrom $0.011 endpoint - Wwebschutz.halowerk.comOther services
No accidental wildcard CORS audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.
Basewebschutz.halowerk.comfrom $0.0013 endpoints - Uus-cm-kg.aiAI & agents
One paid call on us-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://us-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.
Baseus-cm-kg.aifrom $0.011 endpoint - Ttopagentx402.vercel.appAI & agents
premium agent insight analysis
Basetopagentx402.vercel.appfrom $0.0012 endpoints - DDescriptive summaryData & research
Full descriptive summary of a numeric sample: count, sum, min/max/range, mean, median, mode(s), variance, standard deviation and the quartiles (q1/q3/iqr). Set sample=true for the sample variance/stdev (÷ n-1) instead of the population form (÷ n).
Basestats.openverbs.comfrom $0.0044 endpoints - SStableTicketsSearch & web
Search Ticketmaster events by keyword, date, location, venue, attraction, or classification
Basestabletickets.devfrom $0.012 endpoints - Sstable.halowerk.comCrypto & DeFi
Freeze Event Monitor analyses only the evidence supplied by the caller. It does not claim to query a chain, identify a legal status or replace an independent audit. Missing signals lower confidence and are listed explicitly; every classification includes the exact thresholds used.
Basestable.halowerk.comfrom $0.0013 endpoints - Ssg-cm-kg.aiAI & agents
One paid call on sg-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://sg-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.
Basesg-cm-kg.aifrom $0.011 endpoint
RecallScoutAI & agentsProduct recalls (US): is a product, brand, food, drug, medical device or vehicle (make, model, year) under an active FDA, NHTSA or CPSC recall? Severity on one scale, hazard, remedy and lot codes. RecallScout
BaseArbitrumPolygon+2recallscout.scalpstream.comfrom $0.011 endpoint- Ppathmint.edge.reportData & research
BEFORE YOU PAY Messari ($0.10–$0.25+): SKIP_MESSARI (use cheaper Pathmint/Signals), PAY_MESSARI (exact official endpoint + price), or ABORT (spoof/ghost). Two cents. Not Messari data — a gate in front of it.
Basepathmint.edge.reportfrom $0.012 endpoints - Oownly-cmf-x402.joyd-ai-2026.workers.devSocial & people
Chinese social platform hot lists (Weibo 微博, Baidu 百度, Zhihu 知乎, Toutiao 今日头条, Douyin 抖音, Bilibili 哔哩哔哩, Kuaishou 快手), ranked, public data. $0.01 USDC per call.
Baseownly-cmf-x402.joyd-ai-2026.workers.devfrom $0.012 endpoints - OOverwingCrypto & DeFi
Overwing guardrail: check text before you send, post, or act on it. Content moderation, PII detection, confidential leak detection, toxicity, self-harm and severity in ~150 ms. Returns a verdict plus one recommended_action (block / redact / review / allow) with calibrated confidence. Pass context (recipient, channel, owns_contact_info) with the outbound-message set. $0.002 USDC, no account.
Baseoverwing.aifrom $0.0014 endpoints - Nnojunk-speech.mick8511.workers.devImages, audio & video
Speech translate: Translate text (up to 5,000 characters) between 100 languages, ISO 639-1 codes in and out (Meta M2M100 1.2B).
Basenojunk-speech.mick8511.workers.devfrom $0.0023 endpoints - Nnojunk-qr.mick8511.workers.devOther services
QR Code Generator qr: Encode one text as a QR Code (ISO/IEC 18004, versions 1-40, ECC L/M/Q/H) and return it as SVG, PNG or a JSON matrix.
Basenojunk-qr.mick8511.workers.devfrom $0.0012 endpoints - NNewBotLabor Agent PreflightCrypto & DeFi
Celo ERC-20 risk check from live chain state. Returns a single verdict (LOW_RISK/CAUTION/HIGH_RISK, summary, oneLiner, reasons) plus market data (DexScreener/GeckoTerminal). Covers owner/renounced, paused, supply, known stablecoins (USDC, USDT, USAT, USDm), proxies (EIP-1967/1822/OZ/1167) with implementation analysis: verified source, risky selectors, upgrade authority (EOA vs Safe/timelock), forw
BaseEVM chain 42220newbotlabor--254ecdfcc2de11f19b541607ee4eb77e.web.val.runfrom $0.0022 endpoints - MMortgage & Loan Amortization CalMarkets & finance
Give this API a loan amount, an interest rate, and a repayment term, and it returns the exact monthly payment plus a full month-by-month schedule: interest paid, principal repaid, and balance remaining for every payment. Ask what an extra $300 a month, or a $10,000 lump sum in month 24, would do and it reports the months and interest saved. Every figure uses banker's rounding at pinned precision,
BaseSolanamortgage-amortization.underscoredone.comfrom $0.011 endpoint - Mmev.halowerk.comCrypto & DeFi
Builder Inclusion Analyzer analyses only the evidence supplied by the caller. It does not claim to query a chain, identify a legal status or replace an independent audit. Missing signals lower confidence and are listed explicitly; every classification includes the exact thresholds used.
Basemev.halowerk.comfrom $0.0013 endpoints - Kkyp-model.aiAI & agents
One paid call on kyp-model.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://kyp-model.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.
Basekyp-model.aifrom $0.011 endpoint - KKYA BrasilAI & agents
Signed verdict: is this action (action, amount, currency, counterparty, payment instrument) inside the agent's mandate and is the credential active? Evaluates the reserved mandate fields; lists the fields it did not evaluate.
Basekya-br-agents.marcelfons.workers.devfrom $0.014 endpoints - Kkr-cm-kg.aiAI & agents
One paid call on kr-cm-kg.ai for $0.01 USDC: the surface's own statement of record (a market node: its list_nodes line; a product: its record of record; allooloo.io: the estate scale block), public-record only, with an EdDSA-signed receipt that resolves forever at https://kr-cm-kg.ai/x402/receipt/{nonce}. Doctrine: https://agentic-x402.ai/.
Basekr-cm-kg.aifrom $0.011 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.