Image APIs Overview

LLMAPI provides synchronous image endpoints for OpenAI and Gemini compatible requests.

Use case	Documentation	Endpoint
OpenAI synchronous image generation	OpenAI Generations	POST /v1/images/generations
OpenAI synchronous image editing	OpenAI Edits	POST /v1/images/edits
Gemini native image and multimodal generation	Gemini Native	POST /v1beta/models/{model}:generateContent

Key and Platform Selection

Key type	Available image APIs	Notes
Regular API key / OpenAI group	/v1/images/generations, /v1/images/edits	Image generation permission must be enabled on the general group.
Regular API key / Gemini group	/v1beta/models/{model}:generateContent, /v1beta/models/{model}:streamGenerateContent	Use Gemini Native request bodies.
Other general groups	Image APIs depend on the group platform	Use the endpoint that matches the selected platform.

Integration Guidance

• Use synchronous OpenAI image endpoints for short OpenAI image requests.
• Use Gemini Native endpoints for Gemini image and multimodal requests.
• If you see Images API is not supported for this platform, the current key group cannot call the OpenAI Images API. For Gemini groups, use Gemini Native.