# Services from x402-v2-mint-pubmed-search.vercel.app on Zero

> x402-v2-mint-pubmed-search.vercel.app serves 5 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/x402-v2-mint-pubmed-search.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-v2-mint-pubmed-search.vercel.app/health.json

## Services

- [PubMed Search via NCBI E-utilities (x402)](https://www.zero.xyz/c/pubmed-search-via-ncbi-e-utilities-x402-6697c92c/llms.txt): $0.003/call via x402. Searches PubMed using NCBI E-utilities and returns article count, PubMed ID list, and optional metadata (title, journal, publication date) for up to 10 results.
- [PubMed Search via NCBI E-utilities (JSON-Pick Format)](https://www.zero.xyz/c/pubmed-search-via-ncbi-e-utilities-json-pick-format-c79180fb/llms.txt): $0.004/call via x402. Searches PubMed using NCBI E-utilities without an API key, returning a JSON object with result count, article ID list, and optional metadata fields (title, journal, publication date) for up to 10 results.
- [PubMed Search CSV via NCBI E-utilities](https://www.zero.xyz/c/pubmed-search-csv-via-ncbi-e-utilities-ad9a8730/llms.txt): $0.004/call via x402. Searches PubMed using NCBI E-utilities and returns results (count, ID list, titles, journals, publication dates) formatted as CSV, with up to 10 results per query, no API key required.
- [PubMed Search via NCBI E-utilities (Custom Format)](https://www.zero.xyz/c/pubmed-search-via-ncbi-e-utilities-custom-format-eeeadd14/llms.txt): $0.005/call via x402. Searches PubMed using NCBI E-utilities without an API key, returning article count, PubMed ID list, and optional metadata (title, journal, pubdate) in a custom concierge format.
- [PubMed Search via NCBI E-utilities (Markdown)](https://www.zero.xyz/c/pubmed-search-via-ncbi-e-utilities-markdown-b7922fdc/llms.txt): $0.005/call via x402. Searches PubMed using NCBI E-utilities without an API key and returns results as markdown-formatted text including article count, ID list, and optional metadata like title, journal, and publication date.

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)