https://pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/base/token_price/0x0b3e328455c4059eeb9e3f84b5543f74e24e7e1b,0x22af33fe49fd1fa80c7149773dde5890d3c76f3b,0xc0634090f2fe6c6d75e61be2b949464abb498973,0x9b5e262cf9bb04869ab40b19af

Query onchain DEX token price & market data based on the provided token contract addresses on a network.

https://pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/base/token_price/0x0b3e328455c4059eeb9e3f84b5543f74e24e7e1b,0x22af33fe49fd1fa80c7149773dde5890d3c76f3b,0xc0634090f2fe6c6d75e61be2b949464abb498973,0x9b5e262cf9bb04869ab40b19af91d2dc85761722

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/base/token_price/0x0b3e328455c4059eeb9e3f84b5543f74e24e7e1b,0x22af33fe49fd1fa80c7149773dde5890d3c76f3b,0xc0634090f2fe6c6d75e61be2b949464abb498973,0x9b5e262cf9bb04869ab40b19af91d2dc85761722", {
  method: "GET",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Live 402 quote confirmed2026-07-10 15:09 UTC
GET returned a protocol-valid 402 quote (402). No payment was made.
Origin reachable2026-07-10 15:04 UTC
HEAD https://pro-api.coingecko.com/ returned 404.
Observed in cdp-bazaar2026-07-10 13:31 UTC
The registry record was observed and retained with provenance.
Observed in 402-index2026-07-10 13:31 UTC
Discovered through bazaar.
Registry record checked2026-07-07 23:26 UTC
Registry health: healthy.

EVIDENCE

cdp-bazaarobserved 2026-07-10 · https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources

402-indexobserved 2026-07-10 · https://402index.io/api/v1/services

origin checkHEAD https://pro-api.coingecko.com/ → 404 on 2026-07-10

route quotelive 402 quote confirmed · GET 402 · 2026-07-10

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call.

PAYMENT OPTIONS

eip155:8453exact10000 atomic · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdpexact10000 atomic · EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v