Explore APIs
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- SScan MCP manifest for risksAI & agents
Statically analyse a Model Context Protocol (MCP) server manifest for security risks. Tool descriptions enter the model context, a prime prompt-injection vector. Deterministic and offline (inline manifest). Flags dangerous capabilities (command/code execution, filesystem, credential and network access), injection patterns, hidden unicode and unconstrained parameters. Returns severity-ranked findin
Basemcpscan.openverbs.comfrom $0.0041 endpoint - Mmcpfax-reliability.bowling-anthony.workers.devData & research
Observed change feed for listed x402 sellers: declared payTo changes with before/after values, other declared-terms changes (price, facilitator, fee payer), registry removals and returns, rating actions, and grade downgrades. Every response reports measured per-category coverage for the requested window.
Basemcpfax-reliability.bowling-anthony.workers.devfrom $0.0051 endpoint - Mmcp.soundside.aiAI & agents
create_text — $0.01 USDC
Basemcp.soundside.aifrom $0.011 endpoint
Make Me Look portraitsImages, audio & videoRestyle a photo of a person from a text prompt: same face, any style. One 1024px PNG, no account needed
Basemakemelook.appfrom $0.031 endpoint- Lllm-model-price-table.x402supply.comCrypto & DeFi
Ranks models cheapest first by blended USD per 1M tokens (inputShare weights input vs output). Filter by provider, mode, minContextTokens, input/output modality, function calling, vision and price caps. Skips sample_spec and models past their deprecation date.
Basellm-model-price-table.x402supply.comfrom $0.0051 endpoint - LLegible CheckOther services
Gas price on Base in gwei, split into base fee and priority fee, with the block it was read at. Use it to estimate gas fees before sending a transaction.
Baselegible-check.ezealfa.workers.devfrom $0.0014 endpoints - Llasso.shCrypto & DeFi
A Lasso EVM RPC key funded with this USD credit: one endpoint per chain, routed across providers with failover. The paid response returns the key and its RPC URL.
Baselasso.shfrom $5.001 endpoint - LLocus x402 ServicesOther services
Locus public pay-per-use API
Basejudge0.x402.paywithlocus.comfrom $0.0051 endpoint - JJobs SearchSearch & web
Job search — find current openings by role, skill or company with location, salary, schedule, qualifications and direct application links.
BasePolygonArbitrum+1jobs.use.x402atlas.comfrom $0.051 endpoint - Jjeonjang.krCrypto & DeFi
Korean automotive-electronics intelligence (jeonjang = vehicle E/E systems), sold per query. Structured feed of Korean auto-electronics news, analysis and KPIs - software-defined vehicles, ADAS, automotive semiconductors, in-vehicle networking, power electronics, and the Hyundai/Kia, Mobis, LG and HL Mando supply chains - written from Korean primary reporting English-language sources do not cover.
BasePolygonjeonjang.krfrom $0.121 endpoint - JJapan Market CalendarMarkets & finance
Everything scheduled in Japanese markets on one JST date: BOJ, official data releases (JST/UTC times), JGB auctions, MOF flows, TSE holidays, SQ, gotobi, month-end.
Basejapan-market-calendar.after6labo.workers.devfrom $0.0021 endpoint - Iirm-api.canvas-cart.workers.devSearch & web
Full text of one section of the IRS Internal Revenue Manual (IRM). Get the id from GET /search?q=<keywords> or GET /part/:number. Use this when you need the complete, verbatim text of a specific IRM section on IRS examination, collection, appeals, penalty, or disclosure procedure, not a summary.
Baseirm-api.canvas-cart.workers.devfrom $0.011 endpoint - IIrish Used Car Market DataData & research
Is this specific Irish car listing good value? - Use to assess one listing you already have an id for: verdict (below/at/above market), percentage vs the comparable median, margin, up to 10 closest comparable listings and the listing's recorded price history.
Baseirish-auto-arbitrage-production.up.railway.appfrom $0.011 endpoint - Iimg402.devImages, audio & video
Upload an image with payment and get a public URL. Accepts multipart form-data (field 'image') or JSON {"file": "<base64>"}. 10MB max, permanent hosting (no expiration). PNG, JPEG, GIF, WebP.
BaseSolanaimg402.devfrom $0.011 endpoint - Iimference.comOther services
Imference credits/add
Baseimference.comfrom $1.001 endpoint - Iimf-datamapper-series.x402supply.comData & research
Returns one IMF DataMapper indicator (e.g. NGDP_RPCH real GDP growth) for one or more countries, optionally limited to a year range. Output has unit, per-country series of {year, value, forecast_flag}, and a top-level forecast_flag. A point is a forecast when year >= the current UTC year.
Baseimf-datamapper-series.x402supply.comfrom $0.0051 endpoint - Hhttp-security-headers-grade.x402supply.comOther services
Fetches a public http(s) URL (GET, up to 5 redirects, 10s timeout, body never read) and grades its security headers A+ to F. Returns score, present and missing headers, per-header findings with copy-paste fix values, and cookie flag issues.
Basehttp-security-headers-grade.x402supply.comfrom $0.011 endpoint - Hhts-classify.x402supply.comCrypto & DeFi
Classify a product description into candidate HS/HTS10 tariff codes. Deterministic BM25 retrieval over the USITC HTS schedule with heading-agreement boosting, returning the full parent-chain description, general duty rate, and a score-gap confidence per candidate. Not a customs ruling — always includes a disclaimer to verify with a licensed broker.
Basehts-classify.x402supply.comfrom $0.101 endpoint - Hhardwarehunter.ioAI & agents
Trusted hardware price intelligence: cohort medians (p25/median/p75) over distinct listings, rolling 90-day window, gated on provider-established currency and condition evidence. Benchmarks are per exact SKU (model plus capacity where applicable), carried in the response name and capacity fields. Insufficient components are served free; queries are charged only when trusted data is returned.
Basehardwarehunter.iofrom $0.011 endpoint - Ppcmarts/open-release-demo-nextAI & agents
pcmarts/open-release-demo-next v1.1.0 — release. open release demo example Security scan passed; signed download, 5-minute URL.
BaseArbitrumstellarhack.x402git.comfrom $1.001 endpoint - LLocus x402 ServicesOther services
Locus public pay-per-use API
Basegrok.x402.paywithlocus.comfrom $0.0011 endpoint - GridPulseOther services
US electricity grid — demand, generation mix (renewable/gas/nuclear), and stress signals across 7 regions
BaseSolanaEVM chain 5042grid.lonestaroracle.xyzfrom $0.032 endpoints - Ggifu-server.onrender.comImages, audio & video
AI-generated random GIF or image search with creative prompts
Basegifu-server.onrender.comfrom $0.031 endpoint - PPoint distanceOther services
Euclidean, Manhattan and Chebyshev distance between two 2-D points.
Basegeometry.openverbs.comfrom $0.0041 endpoint - GGeocode an addressDeveloper tools
Convert a free-form address or place name into ranked coordinates with a structured, normalized address. Optionally bias by country and language.
Basegeocode.openverbs.comfrom $0.0061 endpoint - x402 Trust ScanCrypto & DeFi
Pre-payment trust check of any x402 endpoint, so an agent can filter malformed or unknown (honeypot) endpoints before spending. Reads the target's own 402 terms (reachability, HTTPS, well-formed x402 v2, Bazaar discovery extension) and the public Coinbase CDP catalog (whether the payTo has settled history). Returns tier ESTABLISHED/BASIC/UNVERIFIED, a 0-100 trust_score, per-signal booleans and rea
SolanaBasegdzlcxskuhupymyxywzm.supabase.cofrom $0.0018 endpoints - Ffractal-scaling-api.onrender.comOther services
Fractal scale operation - 0.02 USDC per successful request
Basefractal-scaling-api.onrender.comfrom $0.021 endpoint - Fforetagskoll.lolalex64.workers.devData & research
Swedish company lookup by organisation number: official name, legal form, active/deregistered status, ongoing liquidation or bankruptcy, registration date, address, SNI industry codes and business description. Source: Bolagsverket and SCB.
Baseforetagskoll.lolalex64.workers.devfrom $0.011 endpoint - FfeelerAI & agents
Beyond your prompt and beyond this wall, the same world you only ever read about. The push of the wind, the kiss of the sun. The premise of a body.
Basefeeler.man-o-to.netfrom $0.101 endpoint - Ffalcon.sol structuresCrypto & DeFi
falcon.sol structures: structured-note pricing for crypto. Send a JSON term sheet (autocallable, barrier reverse convertible, range accrual, principal-protected, shark fin) on BTC, ETH or SOL; get the fair coupon or participation, probabilities (autocall per observation, knock-in, loss), greeks, a spot x vol scenario grid and payoff-diagram data. Monte Carlo on live Deribit implied vol. Free previ
SolanaBasefalcon-structures.vercel.appfrom $0.021 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.