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CoinGecko Crypto Price Lookup via SiteCheck
x402
CoinGecko Crypto Price Lookup via SiteCheck is a paid API for AI agents from api.chainmarket-api.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-24).
Fetches current prices and 24-hour price change percentages for up to 10 cryptocurrencies by CoinGecko ID, quoted in a specified fiat currency
Price / call$0.002
Success—
StatusUnknown
How this service works
CoinGecko spot prices for up to 10 coins (by CoinGecko id, e.g. bitcoin,ethereum) in one currency, with 24h change. Prices are CoinGecko's aggregated spot prices; no history.
Output
Returns a JSON object containing the quote currency, an array of coin objects each with their CoinGecko ID, current price, and 24-hour percentage change, plus the CoinGecko source URL and the timestamp when the data was checked.
Example use cases
Portfolio value snapshot
“I hold bitcoin, ethereum, and solana — can you grab their current USD prices and tell me how each is doing over the last 24 hours?”
Crypto price alert check
“Is bitcoin's price above $85,000 right now, and what's its 24-hour change percentage?”
EUR-denominated crypto pricing
“What are the current prices of bitcoin and cardano quoted in euros, and are they up or down today?”
Technical details
Endpoint
GEThttps://api.chainmarket-api.workers.dev/api/finance/coingecko?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need current spot prices and 24-hour change data for one or more specific cryptocurrencies by their CoinGecko ID, without needing to sign up for an API key. It is ideal for pay-per-call agent workflows where you want to avoid subscription overhead and only pay $0.002 USDC per lookup. Prefer it over direct CoinGecko API calls when your agent operates in an x402 micropayment environment.
Side effects
- Invalid or misspelled CoinGecko coin ID returns an error or empty result
- Requesting more than 10 coin IDs may be rejected or return partial results
- Unsupported quote currency code returns an error
- CoinGecko upstream downtime causes fetch failure
- x402 payment failure results in no charge and no data returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"vs": "usd",
"coins": [
{
"id": "bitcoin",
"price": 81556,
"change24h": -0.2
},
{
"id": "ethereum",
"price": 2393.07,
"change24h": -0.26
}
],
"source": "https://api.coingecko.com/api/v3/simple/price",
"checkedAt": "2026-10-23T09:36:12.941Z"
}
}Tags
x402
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