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prices.x402utils Token Price API
x402
prices.x402utils Token Price API is a paid API for AI agents from prices.x402utils.workers.dev, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-12).
Returns live or historical token prices (by CoinGecko ID or chain:contract address) with percentage change over a period, paid per call via x402 (USDC on Base).
Price / call$0.002
Success—
StatusUnknown
How this service works
Live and historical token prices for agents, any chain: coingecko ids or chain:contract addresses, plus % change over a period. Paid per call via x402 (USDC on Base).
Output
A JSON object containing a prices map keyed by coin identifier (e.g. 'coingecko:ethereum') with each coin's USD price, plus the unix timestamp of the price data. May also include percentage change over a specified period.
Example use cases
DeFi portfolio valuation at snapshot
“I need the USD prices of ethereum, solana, and uniswap as of unix timestamp 1750000000 so I can calculate what my portfolio was worth at that moment.”
Historical trade P&L calculation
“What was the price of the token at contract address ethereum:0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 on unix timestamp 1740000000? I want to figure out my profit on a trade I made back then.”
Multi-chain token price monitoring
“Fetch me the current prices for coingecko:bitcoin, coingecko:ethereum, and coingecko:chainlink right now — I want to track them for my crypto dashboard.”
Technical details
Endpoint
GEThttps://prices.x402utils.workers.dev/v1/price-at?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need on-demand token price lookups across any chain using either CoinGecko IDs or raw contract addresses, especially in agentic workflows that require paying per call programmatically via x402/USDC on Base. Prefer it over free tier APIs when you need reliable historical price data or multi-chain contract address resolution without API key setup friction.
Side effects
- Invalid or unrecognized CoinGecko ID returns an error or missing key in prices map
- Malformed chain:contract address format results in lookup failure
- Timestamp out of supported historical range may return empty or error
- Missing required query params (coins or timestamp) returns a 400 error
- Payment failure via x402 (insufficient USDC balance) blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"prices": {
"coingecko:ethereum": {
"price": 3300.1
}
},
"timestamp": 1767225600
}
}Tags
x402
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