currency-api-production-4a8d.up.railway.app
x402Not rated yetLast checked 1 hour ago
POST https://currency-api-production-4a8d.up.railway.app/rates/historical
Listed in Coinbase x402 Bazaar
Historical fiat exchange rates for a given date (YYYY-MM-DD, back to 1999-01-04) and base currency; optionally restrict to specific targets.
Price$0.001per quote or market lookup · paid in USD on Base
Uptime100%
1/1 probes · 984 ms
Score–Needs 3 checks
Paid usage, 30 days3payers · 3 calls
Other endpoints from currency-api-production-4a8d.up.railway.app
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 |
|---|---|---|
| POST /crypto/price | Crypto prices & market data | $0.001 |
| POST /crypto/prices | Crypto prices & market data | $0.001 |
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 POST "https://currency-api-production-4a8d.up.railway.app/rates/historical"
# 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 | 984 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