# Services from microsoft-ai.mpp.tempo.xyz on Zero

> microsoft-ai.mpp.tempo.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/microsoft-ai.mpp.tempo.xyz
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/microsoft-ai.mpp.tempo.xyz/health.json

## Services

- [Microsoft AI Speech (Text-to-Speech via OpenRouter)](https://www.zero.xyz/c/microsoft-ai-speech-text-to-speech-via-openrouter-9b4876d1/llms.txt): price not listed via MPP. Converts input text to synthesized audio bytes using Microsoft AI speech models, billed per character or audio unit via one-shot USDC payment.
- [Microsoft AI Audio Transcriptions via OpenRouter](https://www.zero.xyz/c/microsoft-ai-audio-transcriptions-via-openrouter-6289c0dd/llms.txt): price not listed via MPP. Transcribes base64-encoded PCM WAV audio (mono, 16-bit, 16 kHz, up to 10 minutes) into text using Microsoft AI speech models
- [Microsoft AI Speech & Transcription Models Catalog](https://www.zero.xyz/c/microsoft-ai-speech-transcription-models-catalog-c199ce82/llms.txt): free. Returns the list of available speech and transcription models with their prices per unit, supported voices, and an example request payload

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)