# Services from library.proofivy.com on Zero

> library.proofivy.com serves 10 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/library.proofivy.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/library.proofivy.com/health.json

## Services

- [Proofivy Library Server – Verified Article Fetch](https://www.zero.xyz/c/proofivy-library-server-verified-article-fetch-d59be840/llms.txt): $0.01/call via x402. Fetches article text from a URL and returns it together with a cryptographic content ID (CID) that commits to the exact bytes delivered, paid per request via x402.
- [Proofivy Library Server – TidBITS Article Fetch](https://www.zero.xyz/c/proofivy-library-server-tidbits-article-fetch-4de20555/llms.txt): $0.03/call via x402. Fetches the full text of a TidBITS article by URL or slug, returning the content along with a cryptographic Proofivy content ID (CID) as a verifiable commitment to the exact bytes served.
- [Proofivy Library Server – CryptoSlate Content Fetch](https://www.zero.xyz/c/proofivy-library-server-cryptoslate-content-fetch-5405736a/llms.txt): $0.01/call via x402. Fetches the full text of a CryptoSlate article and returns it with a cryptographic content ID (CID) commitment, billed per request via x402 micropayment.
- [The Phoblographer Content URL List](https://www.zero.xyz/c/the-phoblographer-content-url-list-e19d67f8/llms.txt): $0.01/call via x402. Returns a list of all available The Phoblographer article URLs (slugs) with their last updated dates
- [Proofivy Library Server – Tidbits List](https://www.zero.xyz/c/proofivy-library-server-tidbits-list-e6ee127e/llms.txt): $0.01/call via x402. Returns a paginated list of all available 'tidbits' content URLs with their publication dates and slugs, paid per request via x402.
- [CryptoSlate Content URL List](https://www.zero.xyz/c/library-proofivy-com-2590d37e/llms.txt): $0.01/call via x402. Returns a list of all available CryptoSlate content URLs (slugs) with their last updated dates
- [Proofivy Library Server – Apple Devices Content Fetch](https://www.zero.xyz/c/proofivy-library-server-apple-devices-content-fetch-2c72ebfa/llms.txt): free via x402. Fetches article text for a specific Apple devices content item by its Proofivy CID, returning the content alongside a cryptographic commitment to the exact bytes delivered.
- [The Phoblographer Content Lookup via Proofivy Library](https://www.zero.xyz/c/the-phoblographer-content-lookup-via-proofivy-library-d27d7938/llms.txt): $0.07/call via x402. Retrieves the full article text and Proofivy proof for a specific The Phoblographer article by URL or slug, paid per request via x402.
- [Proofivy Apple Device Content Library](https://www.zero.xyz/c/proofivy-apple-device-content-library-e202cf42/llms.txt): $0.01/call via x402. Fetches content posted from an Apple device, identified by its Proofivy CID, from the Proofivy library
- [Proofivy Library Test Content Lookup](https://www.zero.xyz/c/proofivy-library-test-content-lookup-7ee36503/llms.txt): $0.01/call via x402. Looks up test content from the Proofivy library by providing a content URL or slug, returning the article text and its Proofivy proof.

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)