402rates.com
Payment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid capabilities. HTTP payment options can include Base, Polygon, Arbitrum and XDC; the challenge lists currently available networks for each transport. The receipt identifies the paid…
| Host | api.402rates.com |
|---|---|
| Price | $0.001–$0.03 per call |
| Network | Base |
| Paid endpoints listed | 3 |
| Calls, last 30 days* | 42 |
| Most unique payers on one endpoint (30 days)* | 31 |
| Last paid call* | 2026-10-17 |
| Tags | usdc, x402, integration, smoke-test, payment-rail, settlement, gas-costs, cross-chain |
* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.
Endpoints
| URL | Method | Price |
|---|---|---|
https://api.402rates.com/v1/pingPayment integration check for 0.001 USDC; no external data lookup. Returns time, rail, network mode and free/paid… | GET | $0.001 |
https://api.402rates.com/v1/settlement/costsMeasured USDC transfer costs on Base, Polygon, Arbitrum, Ethereum and XDC: simulated gas, current token prices, fresh… | GET | $0.01 |
https://api.402rates.com/v1/rwa/yieldsRealised 30-day yields for 13 tokenized treasury funds under the Open Treasury Yield Basis. Measured rows use NAV,… | GET | $0.03 |
Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.
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