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Firmware is a unified AI subscription that works with any coding agent and any model. One API key gives you access to chat, embeddings, audio, image generation, and reranking endpoints across Anthropic, OpenAI, Google, and specialized providers like ElevenLabs and Voyage on subscription pricing.

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Base URL

https://app.firmware.ai/api

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Authentication

Include your API key in the request headers. 
Authorization: Bearer YOUR_API_KEY
Or use the x-firmware-api-key header: 
x-firmware-api-key: YOUR_API_KEY

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Available chat models

  • claude-opus-4-6 - Claude Opus 4.6
  • claude-sonnet-4-6 - Claude Sonnet 4.6
  • claude-haiku-4-5 - Claude Haiku 4.5
deprecated:
  • claude-opus-4-5 - Claude Opus 4.5
  • claude-sonnet-4-5 - Claude Sonnet 4.5
See all models for embeddings, rerank, audio transcription, audio speech, and image generation.

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Get started

Get an API key

Create your API key in the dashboard

API reference

Explore the chat completions endpoint

Agent providers

Connect Firmware to your coding agent