# Services from ledgerbell.quietworklabs.workers.dev on Zero

> ledgerbell.quietworklabs.workers.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/ledgerbell.quietworklabs.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/ledgerbell.quietworklabs.workers.dev/health.json

## Services

- [Ledgerbell Pro API Key Provisioning](https://www.zero.xyz/c/ledgerbell-pro-api-key-provisioning-120715ac/llms.txt): $1/call via x402. Issues or renews a Ledgerbell Pro API key (lb_ key) that unlocks paid onchain alert subscriptions for wallets, Safe multisigs, and contracts across EVM chains.
- [Ledgerbell Pro 30-Day API Key](https://www.zero.xyz/c/ledgerbell-pro-30-day-api-key-b224f991/llms.txt): $5/call via x402. Purchases a 30-day Ledgerbell Pro API key via x402 payment, enabling onchain monitoring alerts for wallets, Safe multisigs, and contracts across Ethereum, Base, Arbitrum, and Optimism.
- [Ledgerbell Pro API Key (7-Day)](https://www.zero.xyz/c/ledgerbell-pro-api-key-7-day-dab95867/llms.txt): $1.25/call via x402. Purchases or extends a 7-day Ledgerbell Pro API key for setting up onchain wallet and contract monitoring alerts via Discord, Slack, Telegram, or ntfy

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)