# Services from gw.tolls.fun on Zero

> gw.tolls.fun 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/gw.tolls.fun
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/gw.tolls.fun/health.json

## Services

- [Tolls Transaction Explainer](https://www.zero.xyz/c/tolls-transaction-explainer-7ef9093a/llms.txt): $0.003/call via x402. Decodes a Solana transaction signature into a human-readable summary of programs called, token flows, net SOL changes, and fees paid.
- [Tolls Gateway Echo Test](https://www.zero.xyz/c/tolls-gateway-echo-test-9e2d4495/llms.txt): $0.004/call via x402. Sends a GET request to the Tolls gateway echo endpoint and returns the echoed response, confirming the gateway is reachable and functional.

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)