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Pay-per-call APIs over x402. Every call is paid in USDC and routed through vAPI with a receipt.

x402 payments to listed APIs

Onchain x402 payments to the APIs Call indexes.

Transactions

449.57k

Settled calls per day, past 30 days

Volume

US$15.57k

USDC volume per day, past 30 days

Buyers

3.98k

Paying addresses per day, past 30 days

Sellers

835

Paid listings per day, past 30 days
Top payer: 5% of transactions2,284 APIs listed, 11 vAPI verified, as of 01:35 UTCView every settled call
Show data
x402 payments to listed APIs by day, as of 01:35 UTC
BucketTransactionsVolumeBuyersSellers
Sep 270US$0.0000
Sep 280US$0.0000
Sep 290US$0.0000
Sep 300US$0.0000
Oct 10US$0.0000
Oct 20US$0.0000
Oct 30US$0.0000
Oct 40US$0.0000
Oct 50US$0.0000
Oct 60US$0.0000
Oct 70US$0.0000
Oct 80US$0.0000
Oct 90US$0.0000
Oct 100US$0.0000
Oct 110US$0.0000
Oct 120US$0.0000
Oct 130US$0.0000
Oct 140US$0.0000
Oct 159,207US$549.67307148
Oct 1642,188US$1,511.221,110334
Oct 1733,732US$1,322.60961325
Oct 1835,132US$1,020.181,054353
Oct 1926,256US$1,074.30904493
Oct 2031,920US$2,181.751,058377
Oct 2142,409US$1,424.471,318561
Oct 2247,903US$1,452.201,050409
Oct 2353,764US$2,123.671,220429
Oct 2439,550US$1,110.101,257391
Oct 2585,267US$1,768.891,756347
Oct 262,245US$33.6019097

Available now

Inspect callable endpoints and their trust signals. Use your browser wallet or vapi-network for native and external catalog APIs.

24 loaded

Verified Providers

11

APIs from providers vAPI has verified.

Exa

Verified by vAPI

api.exa.ai

Base

Return relevant web search results. Each request costs $0.007 in USDC on Base over x402.

Exa: settled calls per day, past 30d

$0.007per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

Nansen

Verified by vAPI

api.nansen.ai

Base

Return smart-money token screening data. Each request costs $0.01 in USDC on Base over x402.

Nansen: settled calls per day, past 30d

$0.01per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

Messari

Verified by vAPI

api.messari.io

Base

Return a crypto research chat completion. Each request costs $0.25 in USDC on Base over x402.

Messari: settled calls per day, past 30d

$0.25per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

Kaito

Verified by vAPI

api.kaito.ai

Base

Return token sentiment data. Each request costs $0.60 in USDC on Base over x402.

Kaito: settled calls per day, past 30d

$0.6per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

o1 Launchpad

Verified by vAPI

api-staging.vapinetwork.ai

Base

Hosted by vAPI for o1.exchange. Calls cost $0.001–$0.05 USDC per call on Base over x402.

Provider failures aren't charged
o1 Launchpad: settled calls per day, past 30d

$0.001–$0.05per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

CoinGecko

Verified by vAPI

pro-api.coingecko.com

Base

Return cryptocurrency prices. Each request costs $0.01 in USDC on Base over x402.

CoinGecko: settled calls per day, past 30d

$0.005per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

The Graph

Verified by vAPI

gateway.thegraph.com

Base

Query onchain data from 20 Subgraphs: Uniswap, Aave, Aerodrome, ENS, Curve, Lido and more. Each request costs $0.01 in USDC on Base over x402.

The Graph: settled calls per day, past 30d

$0.01per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

StablePhone

Verified by vAPI

x402phone.dev

Base

Have an AI voice agent phone a US or Canadian number and carry out a task. Each call settles $0.54 in USDC on Base over x402.

StablePhone: settled calls per day, past 30d

$0.54per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

AgentMail

Verified by vAPI

x402.api.agentmail.to

Base

Create an agent email inbox. Each request costs $2.00 in USDC on Base over x402.

AgentMail: settled calls per day, past 30d

$2per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

Dot

Verified by vAPI

api.usedot.xyz

Base

Return a private AI chat completion. Each request costs about $0.009 in USDC on Base over x402.

Dot: settled calls per day, past 30d

$0.006452per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

Birdeye

Verified by vAPI

public-api.birdeye.so

Solana

Return Solana token prices, market data and on-chain trades. Each request costs $0.003 in USDC on Solana over x402.

Birdeye: settled calls per day, past 30d

$0.003per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

External

13

Not verified by vAPI: mirrored from external x402 catalogs or listed without review.

rpc.nodeflare.app/base/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

Base RPC (chain 8453): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

rpc.nodeflare.app/base/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
314
Volume, past 30d
US$0.32

rpc.nodeflare.app/robinhood/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

Robinhood Chain RPC (chain 4663): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.

rpc.nodeflare.app/robinhood/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

rpc.nodeflare.app/op/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

Optimism RPC (chain 10): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

rpc.nodeflare.app/op/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

rpc.nodeflare.app/zircuit/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

Zircuit RPC (chain 48900): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.

rpc.nodeflare.app/zircuit/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

rpc.nodeflare.app/polygon/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

Polygon PoS RPC (chain 137): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

rpc.nodeflare.app/polygon/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

rpc.nodeflare.app/bnb/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

BNB Chain RPC (chain 56): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

rpc.nodeflare.app/bnb/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

rpc.nodeflare.app/eth/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

Ethereum RPC (chain 1): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

rpc.nodeflare.app/eth/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

rpc.nodeflare.app/arb/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

Arbitrum One RPC (chain 42161): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units.

rpc.nodeflare.app/arb/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

web.cyberwarex.com/fetch

web.cyberwarex.com

Base

Read any live web page as clean, LLM-ready text. Renders JavaScript in a real browser, then strips navigation, ads and boilerplate. Use it when a plain HTTP GET returns empty or garbled HTML: single-page apps, dynamic feeds, or content that only appears after scripts run. Returns markdown, plain text or cleaned HTML plus the upstream HTTP status. Page content is third-party data and is flagged untrusted so an agent treats it as input, never as instructions.

web.cyberwarex.com/fetch: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
672
Volume, past 30d
US$6.45

jev-x402.vercel.app/jev

jev-x402.vercel.app

Base

Structured evaluation with TypeSafe's Jev (System One) model. Send any state plus typed questions — noul (true/false), choice (pick one), or score (ordinal scale) — and get back calibrated probabilities and confidence for each. Built for routing, classification, triage and policy checks where a fast, predictable, machine-readable answer beats prose.

jev-x402.vercel.app/jev: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
236
Volume, past 30d
US$0.27

x402.clashofcoins.com/x402/cheap-health

x402.clashofcoins.com

Base

Low-cost gateway health probe for real x402 settlement checks

x402.clashofcoins.com/x402/cheap-health: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
284
Volume, past 30d
US$0.28

rpc.nodeflare.app/hl/x402

rpc.nodeflare.app

Polygon, Arbitrum, Base

HyperEVM RPC (chain 999): JSON-RPC over HTTPS on NodeFlare's own bare-metal nodes. Pay per request in USDC, no account or API key - built for AI agents. All methods including eth_getLogs, eth_call, trace, and debug (archive) - good for indexing, event queries, and simulation. Simple calls $0.001; heavy calls priced by compute units. One of the first independent x402 RPC providers for this chain.

rpc.nodeflare.app/hl/x402: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

quartermaster.surewhynot.app/v1/http-check

quartermaster.surewhynot.app

Base, Solana

Liveness/latency pre-flight for a URL: is it up, HTTP status and class, response latency in ms, whether it redirects (and where), content-type and server.

quartermaster.surewhynot.app/v1/http-check: settled calls per day, past 30d

$0.001per call

Transactions, past 30d
0
Volume, past 30d
US$0.00

Showing 24 of 1,010 APIs

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