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.
x402 call market
Listed price · per call270,230 priced of 272,684 matched · 4,068 providers
$0.010
Median
$0.0020$0.030
- $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
272,684 services matched
| Activity | Agent | ||||||
|---|---|---|---|---|---|---|---|
Any | Any | Any | |||||
agent-safety-oracle.iykykblog.workers.dev Trust check for any x402 pay-per-call API URL. Live-probes the target: verifies a valid 402 payment challenge, consistency between the challenge and the /.well-known/x402 manifest, payTo address valid… | $0.050 | — | 11 | 3 | Live | ||
agent402.tools Deterministic preflight check for a proposed AI agent action - a tool call, payment, fetch, or write - before it executes. Evaluates up to four independent checks (prompt-injection scan on action text… | $0.010 | — | 11 | 4 | Live | ||
agent402.tools 92 skill packs that do a whole agent job in one x402 payment — research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools 101 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools 92 skill packs that do a whole agent job in one x402 payment — research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools 92 skill packs that do a whole agent job in one x402 payment — research a stock, audit a domain | $0.0050 | — | 11 | 4 | Live | ||
agent402.tools 102 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain | $0.0050 | — | 11 | 4 | Live | ||
agent402.tools Decode a barcode or QR code from an image. Send a base64 PNG or JPEG (or a data: URL); returns the decoded text and the symbology. Reads QR, DataMatrix, and 1D barcodes (EAN/UPC/Code39/Code128/ITF/Cod… | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Look up a product by its UPC/EAN barcode number via Open Food Facts (open data): name, brand, category, quantity, and nutrition grade. Pairs with /api/barcode-decode (image → number → product). | $0.0050 | — | 11 | 4 | Live | ||
agent402.tools 102 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools 102 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Agentic Finance for AI agents: 500+ pay-per-call tools, metered models and finished reports over x402 and MPP, or by card. No signup, no API keys. | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Agentic Finance for AI agents: 500+ pay-per-call tools, metered models and finished reports over x402 and MPP, or by card. No signup, no API keys. | $0.0050 | — | 11 | 4 | Live | ||
agent402.tools 92 skill packs that do a whole agent job in one x402 payment — research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Compress a string with Brotli (RFC 7932) and return it as base64. Brotli typically beats gzip by 15-25% on text - useful when bytes matter (e.g. cramming context into an LLM prompt, fitting under a tr… | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools 102 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools 102 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Search public Certificate Transparency logs for every cert issued to a domain. Two independent public CT search services are queried, the second only if the first is slow or fails, and `source` names… | $0.0050 | — | 11 | 4 | Live | ||
agent402.tools The transaction count of an account, which is the nonce its next transaction must carry. Ask for block "pending" to include transactions already in the mempool, which is what you want before signing;… | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Agentic Finance for AI agents: 500+ pay-per-call tools, metered models and finished reports over x402 and MPP, or by card. No signup, no API keys. | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Agentic Finance for AI agents: 500+ pay-per-call tools, metered models and finished reports over x402 and MPP, or by card. No signup, no API keys. | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools The open x402 index — discovery, routing, and on-chain ranking for the agent payments economy. /api/find resolves tasks to tools, /api/route is the neutral Smart Order Router across every x402 seller,… | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Parse an IPv4 CIDR block: network address, broadcast, first/last host, netmask, and host count. Optionally test if an IP is inside it. | $0.0010 | — | 11 | 4 | Live | ||
agent402.tools Coin categories (Layer 1, Meme, AI, DeFi, Stablecoins, RWA, ...) ranked by market cap, with 24h market cap change %, 24h volume and the top-3 coins per category. Order by market_cap_desc (default), ma… | $0.0050 | — | 11 | 4 | Live | ||
agent402.tools Resolve a name or ticker to coin ids: full-text search returning matching coins (id, symbol, name, market cap rank, ordered by rank), exchanges (id, name, market type) and categories (id, name), plus… | $0.0050 | — | 11 | 4 | 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. 272,684 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.