Product

OpenAI API

by OpenAI · AI API Platform

What it does

A developer-facing platform providing programmatic access to OpenAI's model family (GPT, o-series, image, audio, embeddings) via REST API, enabling third-party products and services to integrate OpenAI capabilities.

Key features

  • Responses API with built-in tools (web search, file search, code interpreter, computer use)
  • Streaming and function calling (tool use)
  • Structured outputs (JSON Schema)
  • Fine-tuning support (supervised and reinforcement-based)
  • Batch API (50% cost reduction for non-time-sensitive workloads)
  • Realtime API for low-latency audio streaming
  • Remote MCP server support

Integrations

Microsoft Azure OpenAI ServiceAmazon BedrockZapierLangChainLlamaIndexCursorReplit