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x402.valkyry.fr Token Price
x402
x402.valkyry.fr Token Price is a paid API for AI agents from x402.valkyry.fr, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-02).
Returns the current market price of a specified cryptocurrency token in a given quote currency, sourced from Coinbase.
Price / call$0.002
Success—
StatusUnknown
How this service works
Real-time crypto spot price for any asset (BTC, ETH, SOL, …) in USD or another currency. Live market data feed for AI trading and finance agents.
Output
A JSON object containing the queried asset symbol (e.g. BTC), the quote currency (e.g. USD), the current price as a decimal string (e.g. '64000.00'), and the data source (e.g. 'coinbase').
Example use cases
Example prompt
“What's the current price of BTC in USD?”
Technical details
Endpoint
POSThttps://x402.valkyry.fr/token-price?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a quick, real-time spot price for a cryptocurrency token quoted in USD (or another supported currency), especially in agentic workflows that require micropayment-gated, per-call pricing via the x402 protocol on Base.
Side effects
- Unknown or unsupported token symbol returns an error or empty response
- Unsupported quote currency may default to USD or return an error
- Upstream Coinbase data unavailable causes a service error
- Malformed request body missing required 'symbol' field
- Payment failure via x402 protocol prevents access to the endpoint
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| vs | string | Quote currency (default USD) |
| symbol | string | Asset symbol, e.g. BTC, ETH, SOL |
Output
Schema · Response
{
"type": "json",
"example": {
"vs": "USD",
"price": "64000.00",
"source": "coinbase",
"symbol": "BTC"
}
}Tags
x402
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