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openai/llms.txt
AI Models

OpenAI API Reference

Models API for responses, chat completions, embeddings, audio transcription and model discovery.

360 Endpoints
47 Resources
Verified 2026-10-20
Auth Authorization: Bearer <OPENAI_API_KEY> Gotchas

The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.

Audio transcription uploads use multipart form data rather than a JSON request body.

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Agents curl -H "Accept: text/markdown" https://apicheats.dev/openai/llms.txt

Assistants

23 endpoints

Audio

9 endpoints

Batch

4 endpoints

Chat

6 endpoints

Completions

1 endpoint

Containers

9 endpoints

Conversations

8 endpoints

Embeddings

1 endpoint

Evals

12 endpoints

Files

5 endpoints

Fine tuning

13 endpoints

Images

3 endpoints

Live

7 endpoints

Models

3 endpoints

Moderations

1 endpoint

Organization

17 endpoints

Audit Logs

1 endpoint

Certificates

10 endpoints

Usage

11 endpoints

Data retention

4 endpoints

Groups

5 endpoints

Group organization role assignments

4 endpoints

Group users

4 endpoints

Invites

4 endpoints

Projects

24 endpoints

Project groups

4 endpoints

Hosted tools

2 endpoints

Spend alerts

10 endpoints

Roles

10 endpoints

Users

4 endpoints

User organization role assignments

4 endpoints

Project group role assignments

4 endpoints

Project user role assignments

4 endpoints

Realtime

9 endpoints

Responses

14 endpoints

Uploads

4 endpoints

Vector stores

16 endpoints

Safety

2 endpoints

Content provenance checks

1 endpoint

Videos

10 endpoints

Skills

11 endpoints

Chatkit

6 endpoints

Decisions

1 endpoint

Agents

37 endpoints

Vaults

10 endpoints

Webhook endpoints

7 endpoints

Webhook event types

1 endpoint
Source: raw.githubusercontent.com/openai/openai-openapi/master/openapi.yaml · sha256 6d3a…337c · checked daily 04:00 UTC All providers →