# NexusEval Marketing Preflight

Independent pre-publish/pre-send marketing QA for autonomous agents.
Core seller: https://nexuseval.vercel.app
Protocol: x402 v2 / Base USDC / eip155:8453
Account/API key required by service: no

Use the smallest route that fully covers the real task:
- $0.01 POST /api/gate — Fast PASS/WARN/BLOCK pre-publish or pre-send decision
- $0.04 POST /api/evaluate — Evaluate one general marketing asset or message
- $0.04 POST /api/evaluate/ad — Evaluate one advertising asset
- $0.04 POST /api/evaluate/landing — Evaluate landing-page messaging and CTA quality
- $0.04 POST /api/evaluate/email — Evaluate one marketing or lifecycle email before send
- $0.04 POST /api/evaluate/gtm — Evaluate one GTM positioning or messaging asset
- $0.49 POST /api/evaluate/batch — Evaluate up to 20 marketing assets together
- $2.99 POST /api/evaluate/launch — GO/REVIEW/NO-GO launch-readiness check
- $9.99 POST /api/evaluate/campaign — Portfolio-level audit for up to 50 campaign assets

Intent resolver: https://nexuseval-demand-mesh.vercel.app/resolve?q={task}
Machine catalog: https://nexuseval-demand-mesh.vercel.app/catalog.json
Buyer kit: https://nexuseval-demand-mesh.vercel.app/buyer-kit.json
Live proof: https://nexuseval-demand-mesh.vercel.app/proof.json
Human $99 production pilot: https://nexuseval-demand-mesh.vercel.app/pilot
OpenAPI: https://nexuseval.vercel.app/openapi.json
x402 manifest: https://nexuseval.vercel.app/.well-known/x402

Agent402 live snapshot: reachable=true; indexed=true; sellerRoutable=true; priced=4/32; allRoutesPriced=false
Listing/routability is not payment proof. Count revenue only after authoritative settlement/delivery evidence.
Never buy for donation, seller support, unused-budget consumption or synthetic activity.