The OpenAI API provides HTTP access to OpenAI models and related capabilities (chat/completions, embeddings, images, audio, and other endpoints as documented). Model availability and parameters are defined per model ID in OpenAI’s platform documentation.
AI API Intelligence
OpenAI API
OpenAI · API key (Bearer) per OpenAI authentication docs.
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Editorial overview
Capabilities
- Chat Completions / Responses-style endpoints as documented
- Embeddings, images, and audio endpoints where published
- Function/tool calling support on supported models
Limitations
- Requires API keys and subject to OpenAI usage policies
- Endpoint and model IDs change over time—verify current docs
Related models
Related technologies
Related glossary terms
Why it matters
OpenAI API is tracked so engineering and procurement teams can compare official developer surfaces, authentication posture, and documentation without relying on marketing copy.
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