{"service":"NexusEval Marketing Preflight","serviceId":"nexuseval-marketing-preflight","paidResource":"POST https://nexuseval.vercel.app/api/gate","price":"$0.01 USDC","network":"eip155:8453","payTo":"0x756A9769725aF78F81fb0A9b66300aBb64A0551c","purpose":"Pre-publish marketing-copy quality and risk preflight","input":"JSON marketing material such as objective, audience, headline, copy and CTA","output":"Structured PASS/WARN/BLOCK-style verdict with score, risk flags and recommendations","payment":"Use POST to receive the live x402 payment challenge. This GET is free discovery only.","discovery":{"x402":"https://nexuseval.vercel.app/.well-known/x402","openapi":"https://nexuseval.vercel.app/openapi.json","llms":"https://nexuseval.vercel.app/llms.txt","pricing":"https://nexuseval.vercel.app/pricing.json"}}