# Services from api.receiptsindex.com on Zero

> api.receiptsindex.com 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/api.receiptsindex.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.receiptsindex.com/health.json

## Services

- [Receipts Index — Daily AI Mention Rows](https://www.zero.xyz/c/receipts-index-daily-ai-mention-rows-3652c7a5/llms.txt): $1.81/call via x402. Returns a dated CSV of which US local businesses AI engines named in response to fixed buyer-intent prompts, for a specified date.
- [Receipts Index Row Lookup](https://www.zero.xyz/c/receipts-index-row-lookup-5d2612a1/llms.txt): $0.27/call via x402. Retrieves a single dated CSV row recording which US local businesses AI engines named in response to a fixed buyer question
- [Receipts Index – Founding Partner Feed](https://www.zero.xyz/c/receipts-index-founding-partner-feed-d4c68f43/llms.txt): $200/call via x402. Returns a dated CSV feed of which US local businesses AI engines name in response to fixed buyer prompts, covering engine, prompt variant, competitors mentioned, and sources cited.
- [Receipts Index – AI Engine Business Mention Corpus](https://www.zero.xyz/c/receipts-index-ai-engine-business-mention-corpus-c0016e99/llms.txt): $540/call via x402. Returns dated CSV rows showing which US local businesses AI engines named in response to fixed buyer questions, enabling AI visibility tracking.

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)