← All endpoints
x402-datashop-production.up.railway.app fx history
https://x402-datashop-production.up.railway.app/v1/fx/history
payable
European Central Bank reference exchange rates for any past date or date range (business days since 1999-01-04), via frankfurter.dev. Query: ?date=2026-05-01 for one day, or ?start=2026-05-01&end=2026-05-08 for a daily series (max 366 days), plus ?base=EUR&symbols=USD,GBP (symbols optional -> all). Series responses nest rates by date. Historical data is immutable; served with a 24h cache.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.002
- Network
- base
- Pay to
- 0x6ab8efe305cce67daa48c97bde29c04402822dff
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 83 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-08-10T09:15:53.772Z (2d ago)
- Category
- search
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-datashop-production.up.railway.app%2Fv1%2Ffx%2Fhistory"