Open Exchange Rates
activeper callUSD base exchange rates across 160 currencies, sourced from ExchangeRate-API with hourly refresh.
Sold byNorthwind APIs
Request a quote
Sends an unpaid request and shows the 402 the gateway answers with.
Recent calls
Every settled call, indexed from the receipt written at delivery.
| When | Status | Units | Paid | Latency |
|---|---|---|---|---|
| 9/13/2026, 2:29:41 PM | delivered | 1 | 0.0009 ℏ | 6621 ms |
| 9/13/2026, 2:26:31 PM | delivered | 1 | 0.0009 ℏ | 4794 ms |
Price
0.0009ℏ/ call
- Asset
- HBAR (0.0.0)
- Pay to
- 0.0.10247727
- Network
- hedera:testnet
- Scheme
- exact (x402 v2)
- Category
- fx
- Calls delivered
- 2
- Success rate
- 100%
Call it yourself
Paid endpoint
https://tessera-sage-pi.vercel.app/x402/open-exchange-rates
Get the quote
curl -i https://tessera-sage-pi.vercel.app/x402/open-exchange-rates
The 402 response carries everything needed to pay. See the agent API reference for the full handshake.
Discovery keywords
Synonyms the seller declared so agents can find this.