# Services from billboard.mpp.paywithlocus.com on Zero

> billboard.mpp.paywithlocus.com serves 2 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/billboard.mpp.paywithlocus.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/billboard.mpp.paywithlocus.com/health.json

## Services

- [MPP Billboard Post](https://www.zero.xyz/c/billboard-post-be89399a/llms.txt): $40.96/call via MPP. Posts a text message (up to 280 characters) to the @MPPBillboard X (Twitter) account on behalf of the caller, with a price that doubles with each post.
- [MPP Billboard Get Price](https://www.zero.xyz/c/billboard-get-price-cfbaf415/llms.txt): free via MPP. Returns the current posting price for the MPP Billboard on X, which doubles with every post

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)