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Launching the open-source gateway

All API formats

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

EndpointMethodURLProviders
OpenAI Chat CompletionsPOSThttps://gateway.respan.ai/v1/chat/completionsAll
OpenAI ResponsesPOSThttps://gateway.respan.ai/v1/responsesAll
Anthropic MessagesPOSThttps://gateway.respan.ai/v1/messagesAll
Google generateContentPOSThttps://gateway.respan.ai/v1beta/models/{model}:generateContentAll

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

Images

EndpointMethodURLProviders
Image generationPOSThttps://gateway.respan.ai/v1/images/generationsOpenAI, Gemini, OpenRouter, Together AI, xAI
Image editsPOSThttps://gateway.respan.ai/v1/images/editsOpenAI, Gemini, OpenRouter, Together AI, xAI

Video

EndpointMethodURLProviders
Create a videoPOSThttps://gateway.respan.ai/v1/videosGemini (Veo)
Get a video jobGEThttps://gateway.respan.ai/v1/videos/{id}Gemini (Veo)
Download a videoGEThttps://gateway.respan.ai/v1/videos/{id}/contentGemini (Veo)

Audio

EndpointMethodURLProviders
SpeechPOSThttps://gateway.respan.ai/v1/audio/speechOpenAI, Groq
TranscriptionPOSThttps://gateway.respan.ai/v1/audio/transcriptionsOpenAI, Groq
TranslationPOSThttps://gateway.respan.ai/v1/audio/translationsOpenAI, Groq

Embeddings

EndpointMethodURLProviders
EmbeddingsPOSThttps://gateway.respan.ai/v1/embeddingsOpenAI, Gemini, Mistral, Fireworks, Together AI

Realtime

EndpointMethodURLProviders
OpenAI RealtimeWebSocketwss://gateway.respan.ai/v1/realtime?model={model}OpenAI, Gemini, Mistral
OpenAI LiveWebSocketwss://gateway.respan.ai/v1/live/sessionsOpenAI
Gemini LiveWebSocketwss://gateway.respan.ai/ws/google.ai.generativelanguage.v1beta.GenerativeService.BidiGenerateContent?model={model}OpenAI, Gemini, Mistral
Mistral realtime transcriptionWebSocketwss://gateway.respan.ai/v1/audio/transcriptions/realtime?model={model}OpenAI, Gemini, Mistral

Decisions

EndpointMethodURLProviders
Respan System OnePOSThttps://gateway.respan.ai/api/v1/systemoneTypeSafe, OpenAI, Azure OpenAI, OpenRouter, EmpirioLabs
OpenAI decisionsPOSThttps://gateway.respan.ai/openai/v1/decisionsTypeSafe, OpenAI, Azure OpenAI, OpenRouter, EmpirioLabs