x402 census · pro-api.coingecko.com · 5501be6be2a0 · JSON

GET /api/v3/x402/onchain/simple/networks/base/token_price/:address

live

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

Verdict: live. The unpaid GET reached a valid 402. The live amount equals the catalog price.

Facts from the catalogs

Field Value

URL https://pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/base/token_price/:address

Method GET

Price $0.01 USDC = 10000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Network eip155:8453 (base); also accepts solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp

payTo 0x110cdBba7FE6434Ec4CE3464CC523942ad6Fb784

Seller pro-api.coingecko.com

Catalogs cdp (row updated 2026-09-22)

Listed since (lower bound) 2026-09-22 (earliest catalog timestamp; catalogs report last-update times only)

Last catalog update 2026-09-22

CDP quality counters 17 calls and 7 unique payers in 30 days, last call 2026-09-22 (catalog-reported, not verified on chain)

Category (keyword rule) crypto-data

Templated path yes: contains :param or {param}; probed as listed

x402Version in catalog 2

Service name / tags CoinGecko · crypto, prices, market-data, defi

Unpaid probe (census of 2026-09-30)

Field Value

Probed at 2026-09-30T23:14:27.469Z

HEAD 402

GET 402

Verdict live live: valid 402 to an unpaid GET

402 carried in header

x402Version in the 402 2

accepts[0] {"scheme":"exact","network":"eip155:8453","amount":"10000","payTo":"0x110cdBba7FE6434Ec4CE3464CC523942ad6Fb784","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","maxTimeoutSeconds":60,"extra":{"name":"USD Coin","version":"2"}}

Live amount equals catalog price yes

Live payTo equals catalog payTo yes

extensions.bazaar in the 402 yes

PAYMENT-REQUIRED header yes

WWW-Authenticate offer none

Content type / server / CORS application/json / cloudflare / *

Latency 5,204 ms

Error none

No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.

On-chain facts for the payTo (public address)

Field Value

Distinct payers 14

Payments 61

USDC volume $0.61

Median payment $0.01

First / last payment 2026-04-03 / 2026-09-29

Sampler-shaped share of payments 100.0%

Payers that are not samplers 0

Source forensics-2026-09-30

Address 0x110cdBba7FE6434Ec4CE3464CC523942ad6Fb784

Declared input and output (extensions.bazaar)

{
 "input": {
  "method": "GET",
  "pathParams": {
   "address": "EVM wallet address (0x-prefixed, 40 hex characters)"
  },
  "queryParams": {
   "include_24hr_price_change": true,
   "include_24hr_vol": true,
   "include_inactive_source": true,
   "include_market_cap": true,
   "include_total_reserve_in_usd": true,
   "mcap_fdv_fallback": true
  },
  "type": "http"
 },
 "output": {
  "type": "json",
  "example_truncated": true,
  "chars": 639
 }
}

Try it (unpaid: shows the 402)

curl -si -X GET 'https://pro-api.coingecko.com/api/v3/x402/onchain/simple/networks/base/token_price/:address' -H 'accept: application/json'

The catalog declares GET. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.

Paid checks (x402, USDC on Base)

GET https://bazaar.agentexchange.work/r/5501be6be2a0/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"5501be6be2a0"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.

Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on pro-api.coingecko.com.