Score an x402 endpoint before paying

Use this when a buyer agent wants a one-tenth-cent preflight check before committing more spend to an x402 route.

score x402 endpoint before payingscore endpoint before payingendpoint before payingx402 buyer prepay risk scorepaid API preflightx402 site audit

Use the exact $0.001 endpoint-before-paying route Open free route handoff Verify paid-use proof Open compact command JSON

Primary paid route

GET /api/score-x402-endpoint-before-paying

Price: $0.001. Max amount: 1000 USDC units. Use this exact-path route when the buyer asks to score an x402 endpoint before paying.

npx awal@2.8.0 x402 pay 'https://listing-roast-x402-service-production.up.railway.app/api/score-x402-endpoint-before-paying' \
  -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.