# Services from openrouter.withzero.xyz on Zero

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

## Services

- [OpenRouter Metered Chat Completion (OpenAI-compatible)](https://www.zero.xyz/c/openrouter-withzero-xyz-openrouter-metered-chat-completion-openai-7c1ab996/llms.txt): $0.003246/call via MPP, rated 3.7/5 (2 reviews). Sends a chat completion request to any OpenRouter model with metered at-cost billing — escrows up to 5 USDC and refunds the unused portion after the call settles actual token usage.
- [OpenRouter Model Catalog Listing](https://www.zero.xyz/c/openrouter-withzero-xyz-openrouter-model-catalog-listing-fc0b8c62/llms.txt): price not listed via MPP. Returns the list of all available AI models on OpenRouter with their IDs, names, context lengths, pricing, and architecture details
- [OpenRouter Multi-Model Chat Completion Gateway](https://www.zero.xyz/c/openrouter-withzero-xyz-openrouter-multi-model-chat-completion-gateway-afc45be7/llms.txt): $0.005444/call via MPP. Routes OpenAI-compatible chat completion requests to any of 700+ OpenRouter models, billed at cost per token with no markup

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)