PowaHub
GET https://api.powahub.ai/CertainData/fx-rates/:base
Listed in Coinbase x402 Bazaar
Mid-market reference rates for one base currency against all published currencies, from the European Central Bank.
Other endpoints from api.powahub.ai
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 /CertainData/fx-rate/fx/:base/:quote | Stocks & forex | $0.007 |
| GET /c8a77739168e44a4af26cc954c437460-cd/daily-stock-screen/v1/picks/today | Stocks & forex | $0.01 |
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://api.powahub.ai/CertainData/fx-rates/:base"
# 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 18:30 | Valid 402 | 402 | 7967 ms | $0.007 |
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