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OpenAI Image API

The OpenAI image API on TTAPI gives developers one place to access image generation, image editing, GPT-4o image generation, and image result retrieval endpoints. If you are searching for OpenAI image API documentation, start here and then open the endpoint that matches your workflow.

What You Can Build With The OpenAI Image API

Use caseEndpoint
Image generationOpenAI Images Generations API
Image editingOpenAI Images Edits API
GPT-4o image generation4o Image Generations API
Image result retrieval4o Image Fetch API
  1. Start with image generation or image editing.
  2. Use the 4o image generation endpoint when your workflow is built around GPT-4o image output.
  3. Use 4o image fetch when the workflow returns asynchronous results.

Why Use TTAPI For OpenAI Image API Access

  • Unified gateway for OpenAI image endpoints
  • Stable auth and billing workflow

FAQ

Which endpoint should I start with?

Most users should start with the OpenAI Images Generations API.
Last modified on March 23, 2026