Listing Roast x402

x402 listing quality score for paid APIs

Use this when a buyer agent searches for x402 listing quality and needs a $0.001 exact-phrase route that scores the offer before a larger paid call.

x402 listing qualityx402 listing quality scorepaid API listing quality scoremarketplace listing scorex402 service discoverability

Start with the proven $0.001 indexed route Open free route handoff Verify paid-use proof Open compact command JSON

Exact intent route

GET /api/x402-listing-quality

Price: $0.001. Max amount: 1000 USDC units. Use this when the buyer intent is exactly x402 listing quality.

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

Upgrade to the $0.01 full roast for rewritten listing copy and launch guidance.

GET /api/full-listing-roast

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.