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x402 APIs - Crypto Price Data
x402
x402 APIs - Crypto Price Data is a paid API for AI agents from x402-apis-eta.vercel.app, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Returns current cryptocurrency price and market data for a specified coin in a given fiat currency, paid per-request via x402 micropayment protocol
Price / call$0.005
Success—
StatusUnknown
How this service works
AI-agent-friendly APIs with instant micropayments via x402 protocol. No API keys, no accounts - just pay and access.
Output
Returns the current price and market data for the specified cryptocurrency (identified by CoinGecko coin ID) denominated in the requested fiat currency. Likely includes price, possibly market cap, volume, and price change data.
Example use cases
Example prompt
“What's the current price of Bitcoin in USD? Use the CoinGecko-backed crypto data endpoint — coin ID is 'bitcoin', currency is 'usd'.”
Technical details
Endpoint
GEThttps://x402-apis-eta.vercel.app/api/data/cryptoWhen to prefer
Prefer this endpoint when you need a quick, one-off cryptocurrency price lookup without wanting to manage API keys or account subscriptions — ideal for AI agents that can handle x402 micropayments and need on-demand crypto pricing with minimal setup overhead.
Side effects
- Invalid or unknown CoinGecko coin ID returns an error or empty result
- Unsupported fiat currency code returns an error
- Payment of 0.005 USDC not provided or rejected causes HTTP 402 response
- CoinGecko upstream downtime causes service unavailability
- Network timeout on Vercel edge infrastructure
Input
{
"coin": "bitcoin",
"currency": "usd"
}Schema · Request body
| Field | Type | Description |
|---|---|---|
| coin | string | CoinGecko coin ID |
| currency | string | Fiat currency |
Output
{
"coin": "bitcoin",
"price": 63616,
"currency": "usd",
"fetched_at": "2026-06-12T04:57:26.531Z",
"market_cap": 1275233588091.5745,
"volume_24h": 29527651292.98312,
"last_updated": "2026-06-12T04:57:15.000Z",
"change_24h_percent": 1.541855650219066
}Tags
x402
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