Postman
Platform for designing, testing and documenting APIs.
The OpenAI API gives developers access to GPT models and other OpenAI models for text, vision, speech and embeddings, with tooling for agents and evaluations.
Text, vision, audio and images.
Function calling and structured outputs.
SDK for building agents.
A free trial or demo may be available.
Plans and prices change often — check the official website for current pricing.
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