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OpenAI

Use AI models such as ChatGPT or DALL-E to experience the capabilities of AI

AIAuth: API KeyHTTPS: YesCORS: yesStatus: alive

Last verified: November 12, 2026

Reliability

100% uptime: the documentation responded in 5 of 5 checks over the last 30 days. Median response time: 446 ms.

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At a glance

# Lists the currently available (non-finetuned) models, and provides basic information about each one such as the owner and availability. (add your API key; see the docs for where it goes) curl "https://api.openai.com/v1/engines"

API reference

From OpenAI's OpenAPI specification (version 1.2.0), spec updated March 3, 2023, via APIs.guru.

APIs for sampling from and fine-tuning language models
  • Base URL: https://api.openai.com/v1
  • Endpoints: 28
  • Machine-readable spec: OpenAPI JSON (import into Postman, Insomnia or a code generator)
MethodPathWhat it does
POST/answersAnswers the specified question using the provided documents and examples.
POST/audio/transcriptionsTranscribes audio into the input language.
POST/audio/translationsTranslates audio into into English.
POST/chat/completionsCreates a completion for the chat message
POST/classificationsClassifies the specified query using provided examples. The endpoint first searches over the labeled examples to select the ones most releva…
POST/completionsCreates a completion for the provided prompt and parameters
POST/editsCreates a new edit for the provided input, instruction, and parameters.
POST/embeddingsCreates an embedding vector representing the input text.
GET/enginesLists the currently available (non-finetuned) models, and provides basic information about each one such as the owner and availability.
GET/engines/{engine_id}Retrieves a model instance, providing basic information about it such as the owner and availability.
POST/engines/{engine_id}/searchThe search endpoint computes similarity scores between provided query and documents.
GET/filesReturns a list of files that belong to the user's organization.
POST/filesUpload a file that contains document(s) to be used across various endpoints/features.
GET/files/{file_id}Returns information about a specific file.
DELETE/files/{file_id}Delete a file.
GET/files/{file_id}/contentReturns the contents of the specified file
GET/fine-tunesList your organization's fine-tuning jobs
POST/fine-tunesCreates a job that fine-tunes a specified model from a given dataset. Response includes details of the enqueued job including job status and…
GET/fine-tunes/{fine_tune_id}Gets info about the fine-tune job. Learn more about Fine-tuning
POST/fine-tunes/{fine_tune_id}/cancelImmediately cancel a fine-tune job.
GET/fine-tunes/{fine_tune_id}/eventsGet fine-grained status updates for a fine-tune job.
POST/images/editsCreates an edited or extended image given an original image and a prompt.
POST/images/generationsCreates an image given a prompt.
POST/images/variationsCreates a variation of a given image.
GET/modelsLists the currently available models, and provides basic information about each one such as the owner and availability.

Showing 25 of 28 endpoints. The full list is in the spec above.

History

  • November 12, 2026: last health check, responding
  • November 2, 2026: Added to the directory (imported from marcelscruz)

See every change to the directory →