opendata402
GET https://opendata402.com/v1/fx/latest
Listed in Coinbase x402 Bazaar
Official euro foreign exchange reference rates from the European Central Bank, published each working day around 16:00 CET for about 30 currencies. Use it to convert amounts between EUR and USD, GBP, JPY, CHF and others at the official daily rate. Optional base currency (cross rates are computed from the EUR rates) and a comma-separated list of symbols. Note: free of charge at ecb.europa.eu; you pay for access, not for the data.
Other endpoints from opendata402.com
The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.
| Endpoint | Category | Price per call |
|---|---|---|
| GET /v1/airports | Flights & travel | $0.001 |
| GET /v1/fuel/fr | Products & prices | $0.001 |
| GET /v1/news/events | News | $0.002 |
| GET /v1/sec/filings | Stocks & forex | $0.001 |
| GET /v1/sec/financials | Stocks & forex | $0.002 |
| GET /v1/weather/forecast | Weather | $0.002 |
| GET /v1/weather/us | Weather | $0.002 |
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X GET "https://opendata402.com/v1/fx/latest"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-14 18:45 | Valid 402 | 402 | 524 ms | $0.001 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves