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Coingecko

Coingecko is an x402-native service at https://pro-api.coingecko.com, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 12 endpoints listed.

Base

Offers

OfferEndpointPrice
Search Pools
Search onchain DEX pools and token, by contract address, name, or token symbol.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/search/pools0.01 USDC
Token Price :Address
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/arbitrum/token_price/:address0.01 USDC
Token Price 0x0b3e328455c4059eeb9e3f84b5543f74e24e7e1b,0x42000000000000000000000
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/base/token_price/0x0b3e328455c4059eeb9e3f84b5543f74e24e7e1b,0x42000000000000000000000.01 USDC
Token Price 0x4200000000000000000000000000000000000006,0xff8104251e7761163fac321
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/base/token_price/0x4200000000000000000000000000000000000006,0xff8104251e7761163fac320.01 USDC
Token Price 0x940181a94a35a4569e4529a3cdfb74e38fd98631,0x311935cd80b76769bf2ecc9
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/base/token_price/0x940181a94a35a4569e4529a3cdfb74e38fd98631,0x311935cd80b76769bf2ecc0.01 USDC
Token Price :Address
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/base/token_price/:address0.01 USDC
Token Price Ethereum
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/base/token_price/ethereum0.01 USDC
Token Price I%20Af8E=&I%7Df]*'!Z$
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/bsc/token_price/i%20Af8E=&I%7Df]*'!Z$0.01 USDC
Token Price :Address
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/eth/token_price/:address0.01 USDC
Token Price :Address
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/hyperevm/token_price/:address0.01 USDC
Token Price :Address
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/monad/token_price/:address0.01 USDC
Token Price TEkxiTehnzSmSe2XqrBj4w32RUN966rdz8
Query onchain DEX token price & market data based on the provided token contract addresses on a network.
/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/simple/networks/tron/token_price/TEkxiTehnzSmSe2XqrBj4w32RUN966rdz80.01 USDC

Machine-readable: openapi.json with x-payment-info offers.

Try it live

Run the full MPP flow from your browser: catch the 402, sign the payment with your wallet, and watch it settle on-chain.

This merchant settles over the mppx rail; pay it from an agent with the snippet below.

Pay with an agent

Any MPP or x402-compatible client works. With mppx, payment is automatic:

import { Mppx, evm } from 'mppx/client'
import { privateKeyToAccount } from 'viem/accounts'

const mppx = Mppx.create({
  methods: [evm({
    account: privateKeyToAccount(process.env.KEY),
    currencies: [evm.assets.base.USDC],
  })],
})

const res = await mppx.fetch('https://api.meshgateway.co/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/search/pools')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-pro-api-coingecko-com/api/v3/x402/onchain/search/pools
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …