# Services from mrrledger.com on Zero

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

## Services

- [MRR Ledger Watch — Webhook Subscription for Agentic Business Metrics](https://www.zero.xyz/c/mrr-ledger-watch-webhook-subscription-for-agentic-business-metrics-f1d41190/llms.txt): $5/call via x402. Registers a webhook to receive real-time notifications when MRR Ledger metrics or business data changes for specified agentic businesses
- [MRR Ledger Export — Agentic Business Revenue Data](https://www.zero.xyz/c/mrr-ledger-export-agentic-business-revenue-data-fd0bfd79/llms.txt): $0.25/call via x402. Returns a CSV export of verified MRR and revenue figures for real AI-agent businesses, with sourced financial metrics.
- [MRR Ledger Export — Agentic Business Dataset (JSONL)](https://www.zero.xyz/c/mrr-ledger-export-agentic-business-dataset-jsonl-0db61361/llms.txt): $0.5/call via x402. Exports the full dataset of real agentic businesses and their sourced MRR figures as a newline-delimited JSON stream
- [MRR Ledger — API Pass Purchase](https://www.zero.xyz/c/mrr-ledger-api-pass-purchase-d7b10794/llms.txt): $9/call via x402. Purchases a time-limited API access pass for MRR Ledger, returning an API key and quota details for querying data on real revenue-generating agentic businesses

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)