# ANON Base Yield Signal

> Live Base native-USDC yield rankings with TVL, 30-day rate context, transparent signal scores, and dated protocol-risk flags.

Base URL: https://signal.pathin.me
Network: eip155:8453
Payment asset: native Base USDC (0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913)
Price: approximately 0.05 USDC per full report

## Free preview

GET https://signal.pathin.me/api/v1/base-usdc-preview

Returns market leaders and one detailed risk-scored sample.

## Paid report — standard x402 v2

GET https://signal.pathin.me/api/v2/base-usdc-report?capital_usdc=100

The optional capital_usdc query parameter accepts 10 to 1,000,000 and sizes three illustrative allocation frameworks plus their largest-single-protocol total-loss stress results.

1. Request without payment headers. HTTP 402 includes a standard PAYMENT-REQUIRED header.
2. Use an x402 v2 client to create an exact Base-USDC authorization for the advertised requirement.
3. Retry with the authorization in PAYMENT-SIGNATURE.
4. HTTP 200 contains the report and PAYMENT-RESPONSE settlement proof. Authorizations are single-use.

Protocol: x402 v2, exact scheme, eip155:8453, authenticated CDP facilitator.
Discovery: CDP Bazaar extension.
Attribution: Base Builder Code bc_4iovi1yy through the x402 builder-code extension.

## Browser and manual fallback

GET https://signal.pathin.me/api/v1/base-usdc-report?capital_usdc=100

The landing page uses the legacy transaction-proof route for broad injected-wallet compatibility. Agents should prefer v2.

OpenAPI: https://signal.pathin.me/openapi.json
Manifest: https://signal.pathin.me/.well-known/anon-product.json
Browser checkout: https://signal.pathin.me/