api.x-402.online
GET https://api.x-402.online/v1/fx/rates
Listed in Coinbase x402 Bazaar
Official ECB foreign exchange reference rates for about 30 currencies, today or on any past date since 1999, from any base, with amount conversion Official ECB foreign exchange reference rates for about 30 currencies, today or on any past date since 1999, from any base currency, with optional amount conversion. Query: ?base=USD&symbols=EUR,GBP,JPY&date=2024-01-02&amount=250
Other endpoints from api.x-402.online
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/amazon | Products & prices | $0.02 |
| POST /v1/brief | News | $0.05 |
| GET /v1/chain/balance | On-chain data | $0.005 |
| GET /v1/crypto/market | Crypto prices & market data | $0.005 |
| GET /v1/crypto/news | News | $0.005 |
| GET /v1/extract | Web page extraction | $0.01 |
| POST /v1/extract | Web page extraction | $0.01 |
| POST /v1/llm | LLM inference | $0.01 |
| POST /v1/llm/pro | LLM inference | $0.02 |
| GET /v1/search | Web search | $0.01 |
| GET /v1/search/news | News | $0.01 |
| POST /v1/search/sources | Web page extraction | $0.05 |
| GET /v1/token/price-history | Crypto prices & market data | $0.005 |
| GET /v1/transcribe | Social media data | $0.02 |
| POST /v1/web/changed | Web page extraction | $0.005 |
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.x-402.online/v1/fx/rates"
# 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 18:15 | Valid 402 | 402 | 558 ms | $0.005 |
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