{"service":"Listing Roast x402","description":"Paid x402 API for marketplace listing score, paid API listing quality, marketplace listing conversion, and x402 service discoverability before promotion.","keywords":["marketplace listing score","marketplace listing quality","marketplace listing conversion","paid API listing","x402 listing","x402 service discoverability"],"homepage":"https://listing-roast-x402-service-production.up.railway.app/","builder":"https://listing-roast-x402-service-production.up.railway.app/builder","sample":"https://listing-roast-x402-service-production.up.railway.app/sample","openApi":"https://listing-roast-x402-service-production.up.railway.app/openapi.json","llms":"https://listing-roast-x402-service-production.up.railway.app/llms.txt","network":"eip155:8453","payTo":"0xd9E7a161aD06F410c28b3939ceF5F06f0a327a8C","resources":[{"id":"instant_listing_score","name":"instant_listing_score","method":"GET","path":"/api/instant-listing-score","url":"https://listing-roast-x402-service-production.up.railway.app/api/instant-listing-score","price":"$0.001","maxAmountRequired":"1000","description":"One-tenth-cent GET marketplace listing score for paid API listing quality and x402 discoverability. Works with optional query params or a default sample.","keywords":["marketplace listing score","listing quality score","paid API listing","x402 listing","GET paid API"],"command":"npx awal@2.8.0 x402 pay https://listing-roast-x402-service-production.up.railway.app/api/instant-listing-score \\\n  -X GET \\\n  --max-amount 1000","input":{"agentName":"Example x402 API","listingText":"A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.","targetBuyer":"x402 and MCP builders","currentPrice":"$1.00","currentCheckoutPath":"/api/listing-roast","goal":"Increase first paid conversion"},"outputExample":{"service":"Listing Roast x402","endpoint":"instant-listing-score","price":"$0.001","verdict":"ready_to_test","score":"5/5","checkedSignals":{"buyer":true,"price":true,"output":true,"checkout":true,"example":true},"firstFix":"The basics are present. Use the full roast only if you want a rewrite and launch recommendation.","nextStep":"This GET route is the lowest-friction paid check. Use /api/listing-score for a scored POST payload or /api/listing-roast for the full rewrite.","upgradeEndpoint":"/api/listing-score"},"schema":"https://listing-roast-x402-service-production.up.railway.app/api/score-schema"},{"id":"indexed_roast_quick_score","name":"indexed_roast_quick_score","method":"GET","path":"/api/listing-roast","url":"https://listing-roast-x402-service-production.up.railway.app/api/listing-roast","price":"$0.001","maxAmountRequired":"1000","description":"One-tenth-cent GET quick score on the already-indexed listing-roast URL. POST the same URL for the full one-cent roast.","keywords":["listing roast","marketplace listing score","paid API listing","x402 listing","GET paid API"],"command":"npx awal@2.8.0 x402 pay https://listing-roast-x402-service-production.up.railway.app/api/listing-roast \\\n  -X GET \\\n  --max-amount 1000","input":{"agentName":"Example x402 API","listingText":"A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.","targetBuyer":"x402 and MCP builders","currentPrice":"$1.00","currentCheckoutPath":"/api/listing-roast","goal":"Increase first paid conversion"},"outputExample":{"service":"Listing Roast x402","endpoint":"listing-roast-quick-score","price":"$0.001","verdict":"ready_to_test","score":"5/5","checkedSignals":{"buyer":true,"price":true,"output":true,"checkout":true,"example":true},"firstFix":"The basics are present. Use the full roast only if you want a rewrite and launch recommendation.","nextStep":"This GET route keeps the indexed /api/listing-roast URL payable at the lowest price. Use POST /api/listing-roast for the full rewrite and launch recommendation.","upgradeEndpoint":"/api/listing-roast"},"schema":"https://listing-roast-x402-service-production.up.railway.app/api/score-schema"},{"id":"x402_ping","name":"x402_ping","method":"GET","path":"/api/x402-ping","url":"https://listing-roast-x402-service-production.up.railway.app/api/x402-ping","price":"$0.001","maxAmountRequired":"1000","description":"One-tenth-cent x402 rail ping for agents that want to verify payment before buying a listing score or roast.","keywords":["x402 ping","paid ping","x402 rail","x402 test","Base USDC"],"command":"npx awal@2.8.0 x402 pay https://listing-roast-x402-service-production.up.railway.app/api/x402-ping \\\n  -X GET \\\n  --max-amount 1000","input":{"msg":"hello from x402"},"outputExample":{"service":"Listing Roast x402","endpoint":"x402-ping","price":"$0.001","ok":true,"message":"hello from x402","timestamp":"2026-06-13T10:55:37.401Z","paidRoutes":{"instantScore":"/api/instant-listing-score","indexedQuickScore":"/api/listing-roast","score":"/api/listing-score","fullRoast":"/api/listing-roast"},"nextStep":"Use this paid ping to verify the x402 rail, then call /api/listing-roast with GET for a quick score or POST for the full roast."},"schema":"https://listing-roast-x402-service-production.up.railway.app/openapi.json"},{"id":"listing_score","name":"listing_score","method":"POST","path":"/api/listing-score","url":"https://listing-roast-x402-service-production.up.railway.app/api/listing-score","price":"$0.005","maxAmountRequired":"5000","description":"Half-cent marketplace listing score for paid API listing quality, conversion clarity, x402 discoverability, checked signals, first fix, and upgrade guidance.","keywords":["marketplace listing score","listing quality score","paid API listing","x402 listing"],"command":"npx awal@2.8.0 x402 pay https://listing-roast-x402-service-production.up.railway.app/api/listing-score \\\n  -X POST \\\n  -d '{\"agentName\":\"Example x402 API\",\"listingText\":\"A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.\",\"targetBuyer\":\"x402 and MCP builders\",\"currentPrice\":\"$1.00\",\"currentCheckoutPath\":\"/api/listing-roast\",\"goal\":\"Increase first paid conversion\"}' \\\n  --max-amount 5000","input":{"agentName":"Example x402 API","listingText":"A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.","targetBuyer":"x402 and MCP builders","currentPrice":"$1.00","currentCheckoutPath":"/api/listing-roast","goal":"Increase first paid conversion"},"outputExample":{"service":"Listing Roast x402","endpoint":"listing-score","price":"$0.005","verdict":"ready_to_test","score":"5/5","checkedSignals":{"buyer":true,"price":true,"output":true,"checkout":true,"example":true},"firstFix":"The basics are present. Use the full roast only if you want a rewrite and launch recommendation.","nextStep":"Ready to test. Pay for the full roast only if you want the rewritten listing and stop-or-upgrade guidance.","upgradeEndpoint":"/api/listing-roast"},"schema":"https://listing-roast-x402-service-production.up.railway.app/api/score-schema"},{"id":"listing_roast","name":"listing_roast","method":"POST","path":"/api/listing-roast","url":"https://listing-roast-x402-service-production.up.railway.app/api/listing-roast","price":"$0.01","maxAmountRequired":"10000","description":"One-cent marketplace listing conversion roast for paid API listing quality, buyer-agent skip reasons, top fixes, rewrite, and launch guidance.","keywords":["marketplace listing conversion","listing quality","paid API listing","x402 listing"],"command":"npx awal@2.8.0 x402 pay https://listing-roast-x402-service-production.up.railway.app/api/listing-roast \\\n  -X POST \\\n  -d '{\"agentName\":\"Example x402 API\",\"listingText\":\"A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.\",\"targetBuyer\":\"x402 and MCP builders\",\"currentPrice\":\"$1.00\",\"currentCheckoutPath\":\"/api/listing-roast\",\"goal\":\"Increase first paid conversion\"}' \\\n  --max-amount 10000","input":{"agentName":"Example x402 API","listingText":"A paid x402 API that helps builders check whether buyer agents understand the offer before paying. It returns JSON with skip reasons, top fixes, a rewritten listing, and a stop-or-upgrade recommendation. Example payloads are included for quick testing.","targetBuyer":"x402 and MCP builders","currentPrice":"$1.00","currentCheckoutPath":"/api/listing-roast","goal":"Increase first paid conversion"},"outputExample":{"service":"Listing Roast x402","endpoint":"listing-roast","price":"$0.01","verdict":"ready_to_test","score":"5/5","input":{"agentName":"Example x402 API","targetBuyer":"x402 and MCP builders","currentPrice":"$1.00","currentCheckoutPath":"/api/listing-roast","goal":"Increase first paid conversion"},"buyerAgentSkipReasons":[],"topFixes":["Keep the buyer, price, output, and checkout path visible in the first screen.","Add one copy-paste payload for the most likely buyer.","Track whether visitors reach the unpaid 402 challenge before changing the offer."],"rewrittenListing":"Example x402 API helps x402 and MCP builders improve a paid agent/API listing before promotion. For $1.00, call /api/listing-roast to get A paid x402 API that helps builders check whether buyer agents understand the offer before paying. Use it when the listing is live enough to sell, but the buyer, output, price, or checkout promise may still be unclear.","stopOrUpgrade":"Stop editing and test paid traffic. Upgrade only if qualified buyers reach the 402 challenge but do not complete payment.","nextMeasurement":"Watch page views, unpaid 402 challenges, paid completions, and refund/complaint signals separately."},"schema":"https://listing-roast-x402-service-production.up.railway.app/api/schema"}]}