---
title: "All API formats"
subtitle: "Every endpoint the Respan gateway serves."
---

Send your Respan API key in `Authorization: Bearer`, `x-api-key`, or `x-goog-api-key`; the gateway reads whichever is set, so each SDK's own header works. Every response carries `X-Respan-Log-Id`.

## Chat

| Endpoint | Method | URL | Providers |
|---|---|---|---|
| [OpenAI Chat Completions](/docs/ai-gateway/requests/chat-completions) | `POST` | `https://gateway.respan.ai/v1/chat/completions` | All |
| [OpenAI Responses](/docs/ai-gateway/requests/responses) | `POST` | `https://gateway.respan.ai/v1/responses` | All |
| [Anthropic Messages](/docs/ai-gateway/requests/anthropic-messages) | `POST` | `https://gateway.respan.ai/v1/messages` | All |
| [Google generateContent](/docs/ai-gateway/requests/gemini) | `POST` | `https://gateway.respan.ai/v1beta/models/{model}:generateContent` | All |

Any model works in any chat format. To stream, set `stream: true`, or for Google call `:streamGenerateContent?alt=sse` in place of `:generateContent`.

## Images

| Endpoint | Method | URL | Providers |
|---|---|---|---|
| [Image generation](/docs/ai-gateway/modalities/images) | `POST` | `https://gateway.respan.ai/v1/images/generations` | OpenAI, Gemini, OpenRouter, Together AI, xAI |
| Image edits | `POST` | `https://gateway.respan.ai/v1/images/edits` | OpenAI, Gemini, OpenRouter, Together AI, xAI |

## Video

| Endpoint | Method | URL | Providers |
|---|---|---|---|
| [Create a video](/docs/ai-gateway/modalities/video) | `POST` | `https://gateway.respan.ai/v1/videos` | Gemini (Veo) |
| Get a video job | `GET` | `https://gateway.respan.ai/v1/videos/{id}` | Gemini (Veo) |
| Download a video | `GET` | `https://gateway.respan.ai/v1/videos/{id}/content` | Gemini (Veo) |

## Audio

| Endpoint | Method | URL | Providers |
|---|---|---|---|
| [Speech](/docs/ai-gateway/modalities/audio) | `POST` | `https://gateway.respan.ai/v1/audio/speech` | OpenAI, Groq |
| Transcription | `POST` | `https://gateway.respan.ai/v1/audio/transcriptions` | OpenAI, Groq |
| Translation | `POST` | `https://gateway.respan.ai/v1/audio/translations` | OpenAI, Groq |

## Embeddings

| Endpoint | Method | URL | Providers |
|---|---|---|---|
| [Embeddings](/docs/ai-gateway/modalities/embeddings) | `POST` | `https://gateway.respan.ai/v1/embeddings` | OpenAI, Gemini, Mistral, Fireworks, Together AI |

## Realtime

| Endpoint | Method | URL | Providers |
|---|---|---|---|
| [OpenAI Realtime](/docs/ai-gateway/modalities/realtime) | WebSocket | `wss://gateway.respan.ai/v1/realtime?model={model}` | OpenAI, Gemini, Mistral |
| OpenAI Live | WebSocket | `wss://gateway.respan.ai/v1/live/sessions` | OpenAI |
| Gemini Live | WebSocket | `wss://gateway.respan.ai/ws/google.ai.generativelanguage.v1beta.GenerativeService.BidiGenerateContent?model={model}` | OpenAI, Gemini, Mistral |
| Mistral realtime transcription | WebSocket | `wss://gateway.respan.ai/v1/audio/transcriptions/realtime?model={model}` | OpenAI, Gemini, Mistral |

## Decisions

| Endpoint | Method | URL | Providers |
|---|---|---|---|
| [Respan System One](/docs/ai-gateway/modalities/decisions) | `POST` | `https://gateway.respan.ai/api/v1/systemone` | TypeSafe, OpenAI, Azure OpenAI, OpenRouter, EmpirioLabs |
| OpenAI decisions | `POST` | `https://gateway.respan.ai/openai/v1/decisions` | TypeSafe, OpenAI, Azure OpenAI, OpenRouter, EmpirioLabs |