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x402stock.xyz v1 exchange-rates
https://x402stock.xyz/api/v1/exchange-rates
answers 402
Official US Treasury reporting rates of exchange — government FX reference rates for ~170 currencies, in units of foreign currency per 1 USD, for the latest quarter. Use for accounting-grade and exotic-currency conversion the market /api/v1/forex feed lacks. Filter with `?currency=Euro`. Updated quarterly. From the US Treasury (FiscalData). From x402stock
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.02
- Network
- base
- Pay to
- 0x3070Fbb3803819fB5BdfE9286fdc6325A877fA85
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 334 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-15T14:31:44.845Z (2d ago)
- Category
- data
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402stock.xyz%2Fapi%2Fv1%2Fexchange-rates"