x402 site audit and paid API preflight

Use this when a buyer wants a quick paid API preflight before paying more: route-health, OpenAPI, llms.txt, pricing, and Bazaar visibility without assembling a request body. Direct aliases: /api/preflight, /api/v1/preflight, and /preflight.

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Use the $0.001 GET site audit Open free route handoff Verify paid-use proof Open compact command JSON

Primary paid route

GET /api/x402-site-audit

Price: $0.001. Max amount: 1000 USDC units. Use this when the buyer asks for an x402 site audit, x402 marketplace SEO audit, Bazaar search visibility check, paid API preflight, route health, or buyer-readiness signals before paying more.

npx awal@2.8.0 x402 pay 'https://listing-roast-x402-service-production.up.railway.app/api/x402-site-audit' \
  -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 for a custom-body report.

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.