# Services from onchainrouter.dev on Zero

> onchainrouter.dev serves 5 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/onchainrouter.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/onchainrouter.dev/health.json

## Services

- [Onchain Router – OpenAI-Compatible LLM Chat Completions (Gemini Models)](https://www.zero.xyz/c/onchain-router-openai-compatible-llm-chat-completions-gemini-models-05f159ae/llms.txt): $0.002/call via x402. Provides OpenAI-compatible chat completions using Google Gemini models, billed per-request via x402 micropayments with no service fee during launch
- [Onchain Router Speech-to-Text Transcription](https://www.zero.xyz/c/onchain-router-speech-to-text-transcription-e71f3400/llms.txt): $0.002/call via x402. Transcribes audio to text using the ElevenLabs Scribe v2 model, accepting Base64-encoded audio and returning the transcribed text with usage metadata
- [Onchain Router Text-to-Speech](https://www.zero.xyz/c/onchain-router-text-to-speech-2eb60194/llms.txt): $0.002/call via x402. Converts text input to spoken audio using ElevenLabs Flash v2.5, returning a 24-hour encrypted capability URL to an MP3 file
- [Onchain Router LLM Inference (Anthropic-Compatible)](https://www.zero.xyz/c/onchain-router-llm-inference-anthropic-compatible-ce64ad30/llms.txt): $0.002/call via x402. Routes Anthropic-compatible chat completion requests to Google Gemini models, billed per-request on-chain via x402
- [Onchain Router Image Generation](https://www.zero.xyz/c/onchain-router-image-generation-6a51eedc/llms.txt): $0.002/call via x402. Generates images from text prompts using Gemini Flash Lite and returns a seven-day hosted URL or base64 JSON, paid per-call via x402

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)