Paid API listing quality score for x402 services

Use this when a buyer agent is searching for paid API listing quality, marketplace listing quality, x402 listing quality, or paid API discoverability before spending USDC.

paid API listing qualitymarketplace listing qualityx402 listing qualitypaid API discoverabilitybuyer-agent skip reasons

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/paid-api-listing-quality

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

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