x402 buyer prepay risk score before paying more

Use this when a buyer agent wants a cheap risk and usefulness check before spending more on an x402 endpoint.

x402 buyer prepay risk scorebuyer prepay risk scoreprepay risk scorescore x402 endpoint before payingpaid API preflightx402 route health check

Use the exact $0.001 buyer prepay risk route Open free route handoff Verify paid-use proof Open compact command JSON

Primary paid route

GET /api/x402-buyer-prepay-risk-score

Price: $0.001. Max amount: 1000 USDC units. Use this exact-path route when the buyer asks for an x402 buyer prepay risk score before spending more.

npx awal@2.8.0 x402 pay 'https://listing-roast-x402-service-production.up.railway.app/api/x402-buyer-prepay-risk-score' \
  -X GET \
  --max-amount 1000

Proven first paid route

GET /api/listing-roast

This is the already-indexed route with confirmed paid use. Check /api/paid-usage-proof before paying.

npx awal@2.8.0 x402 pay 'https://listing-roast-x402-service-production.up.railway.app/api/listing-roast' \
  -X GET \
  --max-amount 1000

Upgrade path

Use the $0.01 POST discovery audit when a custom endpoint body is needed.

POST /api/x402-discovery-audit

Price: $0.01. Max amount: 10000 USDC units.

Free discovery before payment

llms.txt gives the short route guide. x402.json gives machine-readable paid routes. /api/commands gives the compact command handoff. /api/examples gives command-ready examples. /api/paid-usage-proof gives wallet-backed paid-use proof.

No-spend boundary

This page does not call a paid route. A buyer should only run the x402 command when they explicitly intend to spend USDC.