# Services from proofline-audit.chrismellado.chatgpt.site on Zero

> proofline-audit.chrismellado.chatgpt.site serves 4 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/proofline-audit.chrismellado.chatgpt.site
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/proofline-audit.chrismellado.chatgpt.site/health.json

## Services

- [Proofline Launch Risk Check](https://www.zero.xyz/c/proofline-launch-risk-check-f1d0fae7/llms.txt): $2/call via x402. Audits public-facing SaaS or product pages for conversion friction, broken actions, and launch blockers, returning a prioritized repair queue with severity scores and a go/no-go launch verdict.
- [Proofline Diff Risk Check](https://www.zero.xyz/c/proofline-diff-risk-check-b592b175/llms.txt): $0.25/call via x402. Analyzes a code diff for security and quality risk signals, returning scored findings with severity levels, repair suggestions, and a blocked/pass verdict.
- [Proofline CTA Check](https://www.zero.xyz/c/proofline-cta-check-8c564540/llms.txt): $0.1/call via x402. Analyzes a public landing page URL for conversion friction, returning a score, verdict, and prioritized repair recommendations for the call-to-action.
- [Proofline x402 Readiness Check](https://www.zero.xyz/c/proofline-x402-readiness-check-7a61a42e/llms.txt): $0.05/call via x402. Inspects a public x402 endpoint's unpaid response to validate its x402 v2 protocol compliance and score its payment-challenge readiness

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)