Real-time reference exchange rates for 30+ currencies from the European Central BankGET /service · x402 API by forex-latest
Real-time reference exchange rates for 30+ currencies from the European Central Bank. Base + quote, any pair. Free, deterministic, instant. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.
What does this x402 API do?
Real-time reference exchange rates for 30+ currencies from the European Central Bank. This is an x402-gated GET API resource from forex-latest. TOLL·402 records origin reachable evidence as of 2026-08-05. The listing records $0.01 USD-denominated per request on Base. No settled paid call has been verified.
- Published price
- $0.01 USD-denominated per request
- Networks
- Base
- Latest evidence
- TOLL·402 records origin reachable evidence as of 2026-08-05
- Resource ID
- 70e37fb70d6897201aa0bc23
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://forex-latest.hergertsynthora.com/service", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Observed in 402-index
Discovered through bazaar.
- Exact route checked
http 402 invalid · accept-0:resource-mismatch
- Origin reachable
HEAD https://forex-latest.hergertsynthora.com/ returned 404.
- Registry record checked
Registry health: healthy.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is $0.01 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.