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
$0.04
$0.0010 per call
This endpoint's own traffic: 242 calls in the trailing 30 days, from 71 daily snapshots
Live
Verified volume
$0.04
$0.0030 per call
This endpoint's own traffic: 233 calls in the trailing 30 days, from 43 daily snapshots
Live
Verified volume
$0.04
$0.0050 per call
This endpoint's own traffic: 202 calls in the trailing 30 days, from 40 daily snapshots
Live
x402 call market
Listed price · per call215,924 priced of 217,924 matched · 3,942 providers
$0.010
Median
$0.0020$0.050
$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
217,924 services matched
ActivityAgent
Any
Any
Any
api.onesource.io
Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use bat…
$0.0010$0.04(14)221213Live
BlockRun.AIInference
blockrun.ai
BlockRun lets agents pay for the outcome — every model, tool and data source, best value per dollar. 100 models and 181 data and tool APIs, billed per call. OpenAI- and Anthropic-compatible.
$0.0095—2207Live
molecular-packs-metadata-docs.trycloudflare.com
Expose your local server to the Internet with a single command. No account, no DNS, no configuration required.
$0.020—21837Offline
api.onesource.io
Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use bat…
$0.0030$0.04(14)216213Live
api.neurodynamic.tech
Independent tools and practical guides, built with neurodivergent people in mind. Explore Murmur, Clarity and Kitbag at your own pace.
$0.0050—2146Live
api.strale.io
Check domain and handle availability for a startup name. Checks .com/.io/.ai/.co/.dev domains, Twitter, GitHub, npm, PyPI.
$0.054—2141Live
X PayInference
www.api-xpay.com
Pay-per-request utility APIs powered by x402 using USDC on Base.
$10.00—213197Live
orbisapi.com
Score month-end close risk from reconciliation status, journal backlog, variance size, owner capacity, and close calendar
$0.0050—21122Offline
TrezaInference
www.trezalabs.com
Describe what to publish and when. Treza assembles the pipeline from Veo, Seedance, Gemini Image, or any open model and runs it on a schedule or as an API.
$0.040—2119Live
api.onesource.io
Two data families for AI agents: live Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC reads, plus Deepstate on-chain market data — order books, trades, candles, and analytics. Pay per call…
$0.0050$0.04(14)210210Live
DEBYKOTrading
api.debyko.com
Crypto perpetual futures screener that finds markets across 19 venues (Aster Perpetuals, Avantis, Binance USD-M Futures, Bitget Perpetual Futures, Bybit Perpetuals, Coinbase Global Derivatives and 13…
$0.010—2086Live
human.twin3.ai
twin3 is the identity layer for the AI agent economy: xHuman ID verifies the human behind an account, and xAgent ID gives every AI agent an identity you can trust.
$0.0010—2067Live
molecular-packs-metadata-docs.trycloudflare.com
Expose your local server to the Internet with a single command. No account, no DNS, no configuration required.
$0.030—20637Offline
x402.orthogonal.com
Discover, call, and pay for the tools your agent needs: company data, the live web, and email, through one integration. $10 free credits, pay per call, no subscription.
$0.020—2065Live
phion.systems
Bounded low-cost inference with a signed delivery receipt
$0.0010—2033Live
HashData
agent402.tools
101 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain
$0.0010—2027Live
orbisapi.com
Triage finance workflow exceptions by payment risk, approval gap, reconciliation issue, and urgency
$0.0050—20217Offline
reefjacoSearch
molecular-packs-metadata-docs.trycloudflare.com
Expose your local server to the Internet with a single command. No account, no DNS, no configuration required.
$0.030—20037Offline
agent402.tools
101 skill packs that do a whole agent job in one x402 payment - research a stock, audit a domain
$0.0020—1996Live
agent402.tools
Agent402 is the applied layer of Agentic Finance: the open index, Smart Order Router and on-chain ranking for agents that pay and get paid over x402 and MPP. Sell your API for USDC per call, or give y…
$0.0019—1947Live
api.onesource.io
Two data families for AI agents: live Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC reads, plus Deepstate on-chain market data — order books, trades, candles, and analytics. Pay per call…
$0.0050$0.04(14)193193Live
api.loyalspark.online
Onchain loyalty protocol on Base L2. Launch B20 rewards, earn and redeem tokens, trade P2P, automate with AI agents via REST and MCP.
$0.0010$0.03(8)19231Live
api.onesource.io
Ethereum mainnet, Sepolia testnet, and Robinhood Chain RPC for AI agents, served from OneSource-operated nodes. Live block, balance, contract, NFT, transaction, and event data. Pay per call or use bat…
$0.0080$0.04(14)191191Live
api.kadec0.xyz
CVE vulnerability lookup. Returns security vulnerability records by CVE id or keyword from the NIST National Vulnerability Database and GitHub Security Advisories, each with CVSS score, severity, CWE…
$0.010—1885Live
x402.orthogonal.com
Discover, call, and pay for the tools your agent needs: company data, the live web, and email, through one integration. $10 free credits, pay per call, no subscription.
$0.010—1885Live

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. 217,924 catalog entries indexed.

Open skill.md
Show 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.