# Services from api.erb-llm.com on Zero

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

## Services

- [x402 LLM Gateway (erb-llm)](https://www.zero.xyz/c/x402-llm-gateway-erb-llm-0bf3148f/llms.txt): $0.005/call via x402. Serves OpenAI-compatible chat completions via a self-hosted 27B open-weight LLM, billed at $0.005 USDC per call over x402 with no API key required.
- [x402 LLM Gateway – Extended Tier (32K output)](https://www.zero.xyz/c/x402-llm-gateway-extended-tier-32k-output-78c881de/llms.txt): $0.2/call via x402. Serves OpenAI-compatible chat completions from a self-hosted 27B open-weight LLM with a 32,768-token output ceiling, billed at $0.20 USDC per call via the x402 protocol on Base — no API key required.
- [x402 LLM Gateway — Long-Form Tier](https://www.zero.xyz/c/x402-llm-gateway-long-form-tier-fe7a5d99/llms.txt): $0.05/call via x402. Runs long-form chat completions (up to 8,192 output tokens) on a self-hosted 27B open-weight LLM, billed at $0.05 USDC per call via x402 on Base with no API key required.

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)