Function Calling#
For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.
Docs Guides, concepts, and product docs for Codex Use cases Example workflows and tasks teams can take on with ChatGPT or Codex
Plugins Extend ChatGPT and Codex Workspace Agents Trigger published ChatGPT workspace agents Commerce Build commerce flows in ChatGPT Ads Publish and measure ads in ChatGPT
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Overview Models Agents Tools Voice & Audio Production API reference
Search the API docs#
Search docs
Suggested#
responses createreasoning_effortrealtimeprompt caching
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Suggested#
responses createreasoning_effortrealtimeprompt caching
Overview Models Agents Tools Voice & Audio Production API reference
OverviewModelsAgentsToolsVoice & AudioProductionAPI referenceDocs sectionTools
Get started#
Core concepts#
- Responses API
- Conversation state
- Background mode
- Streaming
- WebSocket mode
- Multi-agent
- Webhooks
- File inputs
- Compaction
- Counting tokens
SDKs and CLI#
Resources#
Legacy APIs#
- Agent Builder
- Evals
- Fine-tuning
-
Assistants API
Choose a model#
Text and code#
Prompting#
- Overview
- Prompt engineering
- Citation formatting
- Migration guide
- Prompt generation
- Frontend prompting
Reasoning#
Images and video#
Realtime and audio#
Specialized models#
Agents SDK#
- Quickstart
- Agent definitions
- Models and providers
- Running agents
- Sandbox agents
- Orchestration
- Guardrails
- Results and state
- Integrations and observability
- Evaluate agent workflows
ChatKit#
Search and retrieval#
Connect tools and data#
Build tool workflows#
Computer and code#
Media#
Get started#
Audio#
Connection methods#
Sessions and operations#
- Managing conversations
- Voice activity detection
- Realtime with tools
- Webhooks and server-side controls
- Managing costs
Go live#
Performance and quality#
Cost and throughput#
Safety and governance#
Infrastructure and access#
Operations#
DocsUse casesDocs sectionDocs
Plugins Workspace Agents Commerce Ads
PluginsWorkspace AgentsCommerceAdsDocs sectionSelect...
Core concepts#
Plan#
Build#
- Build an MCP server
- Add UI to your MCP server (optional)
- Authenticate users
- Build skills
- Package your plugin
- Examples
Test and publish#
Conversion specs#
Guides#
Resources#
Get started#
Guides#
File Upload#
API#
Measurement#
Advertiser API#
- Overview
- API Partner Setup
- [ Quickstart