# Services from aep-api.fly.dev on Zero

> aep-api.fly.dev serves 3 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/aep-api.fly.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/aep-api.fly.dev/health.json

## Services

- [Academic Evidence Pack — Citation Report (Large, up to 75 references)](https://www.zero.xyz/c/academic-evidence-pack-citation-report-large-up-to-75-references-5af00875/llms.txt): $3/call via x402. Verifies up to 75 bibliography references for existence, DOI resolution, retraction/correction status, title/author/year match, and fabrication risk, returning a cryptographically signed (Ed25519, RFC 8785) JSON report with full provenance.
- [Academic Evidence Pack — Citation Integrity Report](https://www.zero.xyz/c/academic-evidence-pack-citation-integrity-report-fa090030/llms.txt): $1/call via x402. Verifies up to 50 bibliography references for existence, resolution, retraction/correction status, title/author/year match accuracy, and fabrication risk, returning a cryptographically signed (Ed25519, RFC 8785) byte-reproducible JSON report.
- [Academic Evidence Pack – Scholarly Evidence Finder](https://www.zero.xyz/c/academic-evidence-pack-scholarly-evidence-finder-a076bd6a/llms.txt): $0.03/call via x402. Finds 3–10 scholarly paper candidates for a research question or topic, returning DOI/OpenAlex IDs, authors, year, venue, open-access URLs, citation counts, and retraction/correction warnings.

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)