Advertising Copy QA

Score advertising copy for clarity, audience fit, CTA, proof and claim risk.

Best machine purchase

Single Marketing QA — $0.04 USDC on Base via x402 v2.

Endpoint: https://nexuseval.vercel.app/api/evaluate

Agent402 external-router eligible: no — direct x402 purchase
Current Agent402 state: indexed-unpriced

Example request body

{
  "objective": "lead generation",
  "audience": "B2B SaaS marketing leaders",
  "headline": "Improve campaign conversion before launch",
  "copy": "Evaluate this marketing message for clarity, proof and CTA quality.",
  "cta": "Book demo"
}

Commercial evidence

• Machine proposal
• Standard purchase agreement record
• Terms + hash
• Public offer/receipt signer

No customer result, guaranteed revenue, conversion guarantee or endorsement is implied by this page.