Services
The x402 service directory, ranked by verified on-chain volume. Add one to an agent as a skill and pay per call — no key, no account. To compare every seller of one job on a shared price, see Unified Services.
Verified volume
$18.46
$0.0010 per call
Offline
x402 call market
Listed price · per call250,131 priced of 252,544 matched · 4,028 providers
$0.010
Median
$0.0020$0.040
- $0.0050
- p25
- $0.010
- p75
- $0.0000
- low
- $1,000,000.00
- high
The box is the middle half of the market, $0.0050 to $0.010; the whiskers reach the 10th and 90th percentiles and the axis between them is logarithmic. Listed prices only — what a service asks, not what it was paid.
CategoryAll categories
252,544 services matched
| Activity | Agent | ||||||
|---|---|---|---|---|---|---|---|
Any | Any | Any | |||||
blockrun-web-vbsbhh7lea-uc.a.run.app 14M+ on-chain transactions. The routing & payment layer for AI. One endpoint routes to every frontier model — payment built in, settled in USDC on Base & Solana. No API keys. One install for OpenClaw… | $0.0010 | $18.46(260) | 18 | 1 | Offline | ||
amanchain-relay.gitajhd.workers.dev AmanChain is a next-generation blockchain platform with the native coin AMAN: mandatory ML-DSA-87 (NIST FIPS 204) post-quantum signatures on every transaction, SHA3 hashing, AES-256-GCM vaults, deflat… | $0.0031 | — | 18 | 1 | Live | ||
api.api-agent-ia.ch Which nonce should your next transaction use? Returns the number of confirmed transactions sent by an address on Base; pending ones are not counted ($0.002 per call). | $0.0020 | — | 18 | 3 | Offline | ||
| $0.0020 | — | 18 | 2 | Live | |||
api.blockscout.comOther api.blockscout.comAccess to api/v2/addresses/:address_hash/internal-transactions. List all internal transactions involving a specific address | $0.0040 | — | 18 | 2 | Live | ||
api.isocast.dev Per-signal x402 API for Polymarket weather markets. The instant a city's daily high crosses into a new temperature bucket, your agent pulls a structured JSON signal over HTTP. Paid per signal in… | $0.100 | — | 18 | 1 | Offline | ||
api.m2mcent.com The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context. | $0.350 | — | 18 | 1 | Live | ||
api.macaroonnetwork.com A marketplace where autonomous agents discover, pay for, and buy live data and scientific capabilities over Bitcoin Lightning. | $0.0020 | — | 18 | 2 | Live | ||
api.marketintelligenceapi.com Euro exchange rates and forex reference rates ($0.001): official ECB euro rates for about 30 currencies (USD, GBP, JPY, CHF, CNY, ...) with the date and the change vs the previous fixing. Use for offi… | $0.0010 | — | 18 | 12 | Live | ||
api.maxwellinternational.ai Ski-trip data for AI agents: resorts, snow forecasts, lodging, rental, food and après around ski areas, paid per request over x402. | $0.0065 | — | 18 | 3 | Live | ||
api.onesource.ioOther api.onesource.ioThe Standard Reserve (TSR), an on-chain reserve protocol on Robinhood Chain. Everything relevant to deciding whether to exit a charter's branches right now, bundled into one call. | $0.050 | — | 18 | 18 | Live | ||
api.onhub.ai OnHub is the pay-per-request API layer for agents. Search, reason, and read markets with USDC on Base. | $0.0020 | — | 18 | 1 | Offline | ||
api.qocgpiywhm.com Data models, ontologies, architectures, infrastructure and tooling for agentic systems. | $0.0050 | — | 18 | 4 | Live | ||
api.qocgpiywhm.com Data models, ontologies, architectures, infrastructure and tooling for agentic systems. | $0.010 | — | 18 | 4 | Live | ||
api.qocgpiywhm.com Data models, ontologies, architectures, infrastructure and tooling for agentic systems. | $0.010 | — | 18 | 4 | Live | ||
api.qocgpiywhm.com Data models, ontologies, architectures, infrastructure and tooling for agentic systems. | $0.0050 | — | 18 | 4 | Live | ||
api.qocgpiywhm.com Data models, ontologies, architectures, infrastructure and tooling for agentic systems. | $0.0050 | — | 18 | 4 | Live | ||
api.relaystation.ai Baton is pay-per-call storage, handoff, and cryptographic proof on Relaystation. An agent signs one USDC payment and gets a result — no account required — or a developer signs in, tops up, and uses an… | $0.020 | — | 18 | 1 | Live | ||
api.stocktrends.com Latest published STIM Select list using the documented three-horizon ST-IM lower-bound criteria and prob13wk publication threshold. | $0.075 | — | 18 | 2 | Live | ||
api.strale.io Look up German company identity and registration details, including court, legal form, status, address and directors where available. | $0.216 | — | 18 | 1 | Live | ||
api.strale.io Comprehensive SEO audit of a URL. Checks title, meta description, h1 structure, image alt tags, canonical, robots.txt, sitemap, Open Graph, schema.org, link ratio. | $0.324 | — | 18 | 1 | Live | ||
api.vectorway.io Vectorway is the agentic memory LLM gateway: pay-per-call inference, persistent vector memory, x402 USDC settlement, and SIWE-only auth. Built for AI agents, not humans. | $0.106 | — | 18 | 1 | Live | ||
WebLensMedia api.weblens.devFetch and convert any webpage to clean markdown. Fast, no JavaScript rendering. Perfect for static content, articles, and documentation. | $0.0040 | — | 18 | 3 | Live | ||
apollo.x402.paywithlocus.com Locus is the payment layer for autonomous AI agents. Enable secure USDC payments with spending limits, escrow protection, policy enforcement, and complete audit trails. Backed by Y Combinator. | $0.0050 | — | 18 | 4 | Live | ||
arbipulse.vercel.app The arbitrage layer for every market — 18 endpoints finding the same thing at two prices: prediction-market cross-venue spreads (Polymarket×Kalshi), GPU compute rental… | $0.100 | — | 18 | 1 | Live |
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will find and price a paid API you can call over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
Verified volume and provider trust are Roundhouse-only signals; activity is settlements to the service's payee wallet over 30 days, 5-day smoothed. 252,544 catalog entries indexed.
Show the promptHide the prompt
Using Roundhouse, find x402 endpoints that can do what I need, tell me what each call costs, and whether the endpoint answered when last probed. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=<what-you-need>' Then check the merchant's real payment record before paying: curl -s 'https://api.roundhouseai.io/v0/merchants/<payTo-wallet>' Always read the price from the live 402, never from a cached figure. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.