FX Reference Rates — /fx-rates/latest
Pay-per-call endpoint from Professor Sausages. Price per call: $0.020 (USDC, x402).
Proof
endpoint (shown as text, not a link, to avoid accidental calls):
https://x402.professorsausages.com/fx-rates/latest“HTTP 402 + x402 v2 challenge: amount 20000 atomic units of USD Coin (= $0.02)”
Details
- Price per call
- $0.020 (USDC, x402)
- Provider
- Professor Sausages
- Protocol
- x402 · USDC (Base)
- Method
- GET
- Price basis
- USDC amount in the unpaid HTTP 402 payment challenge (first accepted option)
- Last probed
- 2026-10-17