# Services from nexuseval.vercel.app on Zero

> nexuseval.vercel.app serves 9 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/nexuseval.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/nexuseval.vercel.app/health.json

## Services

- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-c9f7393f/llms.txt): $2.99/call via x402. Evaluates marketing assets (ads, emails, landing pages, campaign briefs) before publication and returns a GO/NO-GO launch decision with quality scores and prioritized recommendations.
- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-f6683b8b/llms.txt): $9.99/call via x402. Evaluates up to 50 marketing campaign assets (ads, emails, landing pages, GTM materials) for quality and readiness before publication, returning GO/NO-GO decisions with risk patterns and prioritized actions.
- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-c633ebe6/llms.txt): $0.04/call via x402. Evaluates marketing copy, headlines, and campaigns before publication, returning a quality score, risk flags, and actionable recommendations.
- [NexusEval Marketing Preflight (Batch)](https://www.zero.xyz/c/nexuseval-marketing-preflight-batch-9b0d928a/llms.txt): $0.49/call via x402. Evaluates up to 20 marketing assets (ads, emails, landing pages, campaign briefs) in a single batch call, returning quality scores, blockers, and warnings before publication.
- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-1d49f281/llms.txt): $0.04/call via x402. Evaluates marketing copy, headlines, and CTAs before publishing by scoring quality, flagging risks, and recommending improvements
- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-bfe8f9c1/llms.txt): $0.01/call via x402. Evaluates marketing copy, headlines, and CTAs before publication, returning a quality score, pass/fail decision, risk flags, and improvement recommendations.
- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-a99261fd/llms.txt): $0.04/call via x402. Evaluates marketing copy, headlines, and CTAs before publishing, returning a quality score, pass/fail decision, risk flags, and recommendations.
- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-870041e6/llms.txt): $0.04/call via x402. Evaluates marketing copy, headlines, and CTAs against quality criteria before publishing, returning a pass/fail score with risk flags and recommendations.
- [NexusEval Marketing Preflight](https://www.zero.xyz/c/nexuseval-marketing-preflight-96f9656a/llms.txt): $0.04/call via x402. Evaluates marketing copy, headlines, and CTAs before publication, returning a quality score, pass/fail decision, risk flags, and improvement recommendations.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)