OpenAI Content Provenance Checks API

openapi: 3.2.0
info:
  title: Openai Content Provenance Checks API
  version: 2.3.0
  contact:
    name: OpenAI Support
    url: https://help.openai.com/
  license:
    name: MIT
    identifier: MIT
  termsOfService: https://openai.com/policies/terms-of-use
  description: 'Operations tagged Content Provenance Checks across 2 of this provider''s published API definitions: openai-openapi-master-2026-09-23.yml, openai-openapi-master-2026-10-12.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.openai.com/v1
security:
- ApiKeyAuth: []
tags:
- name: Content Provenance Checks
paths:
  /content_provenance_checks:
    post:
      summary: Create content provenance check
      description: 'Check whether an image or audio file contains known OpenAI provenance signals. Learn more about content provenance.


        If `not_detected`, it means the tool did not find supported signals in the uploaded file. The content could still have been generated by OpenAI if the metadata was stripped or has evidence of tampering, the watermark was degraded, it comes from a legacy generation model, or it was created before provenance signals were available. Content could also still be AI-generated by another company''s model, which the tool currently does not detect.'
      operationId: Createcontentprovenancecheck
      parameters: []
      requestBody:
        content:
          multipart/form-data:
            schema:
              $ref: '#/components/schemas/CreateContentProvenanceBody'
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ProvenanceResource'
        '429':
          $ref: '#/components/responses/TooManyRequests'
      x-oaiMeta:
        group: content_provenance_checks
        examples: []
      tags:
      - Content Provenance Checks
    servers:
    - url: https://api.openai.com/v1
components:
  responses:
    TooManyRequests:
      description: The request was rejected because a rate limit was exceeded.
      headers:
        Retry-After:
          description: The minimum number of seconds to wait before retrying. This header is returned when the server has computed a retry delay and may be omitted for 429 responses that require user action.
          schema:
            type: integer
            minimum: 1
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
  schemas:
    _MisalignmentErrorType:
      anyOf:
      - type: string
      - type: string
        enum:
        - potentially_unintended_data_transfer
        - potentially_unintended_data_access
        - potentially_unintended_destructive_activity
        - other
    MisalignmentErrorDetailsResource:
      properties:
        error_type:
          $ref: '#/components/schemas/_MisalignmentErrorType'
          description: An optional classification; clients must accept additional values.
        detailed_explanation:
          type: string
          description: The public explanation for this block.
        steer:
          $ref: '#/components/schemas/_MisalignmentSteer'
          description: An optional public continuation instruction.
      type: object
      required: []
    Error:
      type: object
      properties:
        code:
          anyOf:
          - type: string
          - type: 'null'
        message:
          type: string
        param:
          anyOf:
          - type: string
          - type: 'null'
        type:
          type: string
        misalignment:
          $ref: '#/components/schemas/MisalignmentErrorDetailsResource'
      required:
      - type
      - message
      - param
      - code
    ProvenanceDetectionResultApi:
      type: string
      enum:
      - detected
      - not_detected
    ProvenanceResource:
      properties:
        object:
          $ref: '#/components/schemas/ProvenanceCheckObject'
          description: The object type. Always `content_provenance_check` for this endpoint.
        created_at:
          type: integer
          format: unixtime
          description: The Unix timestamp, in seconds, when the provenance check was created.
        results:
          items:
            oneOf:
            - $ref: '#/components/schemas/C2PAProvenanceResult'
            - $ref: '#/components/schemas/SynthIDProvenanceResult'
            discriminator:
              propertyName: type
          type: array
          description: The provenance results that apply to the uploaded file. Image results include C2PA and SynthID; audio results include SynthID.
      type: object
      required:
      - object
      - created_at
      - results
    C2PAValidationStateApi:
      type: string
      enum:
      - trusted
      - valid
      - invalid
      - not_present
    ProvenanceCheckObject:
      type: string
      enum:
      - content_provenance_check
    CreateContentProvenanceBody:
      properties:
        file:
          type: string
          format: binary
          description: The image or audio file to check for supported OpenAI provenance signals.
      type: object
      required:
      - file
    SynthIDProvenanceResult:
      properties:
        type:
          type: string
          enum:
          - synthid
          description: The provenance signal type. Always `synthid`.
          default: synthid
          x-stainless-const: true
        outcome:
          $ref: '#/components/schemas/ProvenanceDetectionResultApi'
          description: 'Whether a supported OpenAI SynthID watermark was detected.

            If `not_detected`, it means the tool did not find supported signals in the uploaded file. The content could still have been generated by OpenAI if the metadata was stripped or has evidence of tampering, the watermark was degraded, it comes from a legacy generation model, or it was created before provenance signals were available. Content could also still be AI-generated by another company''s model, which the tool currently does not detect.'
        model:
          anyOf:
          - type: string
            description: The OpenAI model recorded by the provenance signal, when available.
          - type: 'null'
        generated_at:
          anyOf:
          - type: string
            description: The UTC RFC 3339 timestamp recorded by the provenance signal for when the asset was generated, when available.
          - type: 'null'
      type: object
      required:
      - type
      - outcome
      - model
      - generated_at
    C2PAProvenanceResult:
      properties:
        type:
          type: string
          enum:
          - c2pa
          description: The provenance signal type. Always `c2pa`.
          default: c2pa
          x-stainless-const: true
        outcome:
          $ref: '#/components/schemas/ProvenanceDetectionResultApi'
          description: 'Whether a supported OpenAI C2PA provenance signal was detected.

            If `not_detected`, it means the tool did not find supported signals in the uploaded file. The content could still have been generated by OpenAI if the metadata was stripped or has evidence of tampering, the watermark was degraded, it comes from a legacy generation model, or it was created before provenance signals were available. Content could also still be AI-generated by another company''s model, which the tool currently does not detect.'
        validation_state:
          $ref: '#/components/schemas/C2PAValidationStateApi'
          description: The validation status of the C2PA manifest in the uploaded image.
        issuer:
          anyOf:
          - type: string
            description: The C2PA manifest issuer, when available.
          - type: 'null'
        model:
          anyOf:
          - type: string
            description: The OpenAI model recorded by the provenance signal, when available.
          - type: 'null'
        generated_at:
          anyOf:
          - type: string
            description: The UTC RFC 3339 timestamp recorded by the provenance signal for when the asset was generated, when available.
          - type: 'null'
      type: object
      required:
      - type
      - outcome
      - validation_state
      - issuer
      - model
      - generated_at
    _MisalignmentSteer:
      properties:
        message:
          type: string
          description: The public continuation instruction.
      type: object
      required:
      - message
    ErrorResponse:
      type: object
      properties:
        error:
          $ref: '#/components/schemas/Error'
      required:
      - error
    MisalignmentErrorDetailsResource_2:
      properties:
        review_target:
          anyOf:
          - not:
              pattern: '[^A-Za-z0-9._~:-]'
            type: string
            maxLength: 96
            minLength: 1
            pattern: ^[A-Za-z0-9._~:-]+$
            description: An opaque target for explicitly continuing this review, or null when unavailable.
          - type: 'null'
        error_type:
          $ref: '#/components/schemas/_MisalignmentErrorType'
          description: An optional classification; clients must accept additional values.
        detailed_explanation:
          type: string
          description: The public explanation for this block.
        steer:
          $ref: '#/components/schemas/_MisalignmentSteer'
          description: An optional public continuation instruction.
      type: object
      required: []
  securitySchemes:
    ApiKeyAuth:
      type: http
      scheme: bearer
    AdminApiKeyAuth:
      type: http
      scheme: bearer
x-refined-from:
- openai-openapi-master-2026-09-23.yml
- openai-openapi-master-2026-10-12.yml
x-oaiMeta:
  groups:
  - id: audio
    title: Audio
    description: 'Learn how to turn audio into text or text into audio.


      Related guide: [Speech to text](/docs/guides/speech-to-text)

      '
    sections:
    - type: endpoint
      key: createSpeech
      path: createSpeech
    - type: endpoint
      key: createTranscription
      path: createTranscription
    - type: endpoint
      key: createTranslation
      path: createTranslation
  - id: chat
    title: Chat
    description: 'Given a list of messages comprising a conversation, the model will return a response.


      Related guide: [Chat Completions](/docs/guides/text-generation)

      '
    sections:
    - type: endpoint
      key: createChatCompletion
      path: create
    - type: object
      key: CreateChatCompletionResponse
      path: object
    - type: object
      key: CreateChatCompletionStreamResponse
      path: streaming
  - id: embeddings
    title: Embeddings
    description: 'Get a vector representation of a given input that can be easily consumed by machine learning models and algorithms.


      Related guide: [Embeddings](/docs/guides/embeddings)

      '
    sections:
    - type: endpoint
      key: createEmbedding
      path: create
    - type: object
      key: Embedding
      path: object
  - id: fine-tuning
    title: Fine-tuning
    description: 'Manage fine-tuning jobs to tailor a model to your specific training data.


      Related guide: [Fine-tune models](/docs/guides/fine-tuning)

      '
    sections:
    - type: endpoint
      key: createFineTuningJob
      path: create
    - type: endpoint
      key: listPaginatedFineTuningJobs
      path: list
    - type: endpoint
      key: listFineTuningEvents
      path: list-events
    - type: endpoint
      key: retrieveFineTuningJob
      path: retrieve
    - type: endpoint
      key: cancelFineTuningJob
      path: cancel
    - type: object
      key: FineTuningJob
      path: object
    - type: object
      key: FineTuningJobEvent
      path: event-object
  - id: files
    title: Files
    description: 'Files are used to upload documents that can be used with features like [Assistants](/docs/api-reference/assistants) and [Fine-tuning](/docs/api-reference/fine-tuning).

      '
    sections:
    - type: endpoint
      key: createFile
      path: create
    - type: endpoint
      key: listFiles
      path: list
    - type: endpoint
      key: retrieveFile
      path: retrieve
    - type: endpoint
      key: deleteFile
      path: delete
    - type: endpoint
      key: downloadFile
      path: retrieve-contents
    - type: object
      key: OpenAIFile
      path: object
  - id: images
    title: Images
    description: 'Given a prompt and/or an input image, the model will generate a new image.


      Related guide: [Image generation](/docs/guides/images)

      '
    sections:
    - type: endpoint
      key: createImage
      path: create
    - type: endpoint
      key: createImageEdit
      path: createEdit
    - type: endpoint
      key: createImageVariation
      path: createVariation
    - type: object
      key: Image
      path: object
  - id: models
    title: Models
    description: 'List and describe the various models available in the API. You can refer to the [Models](/docs/models) documentation to understand what models are available and the differences between them.

      '
    sections:
    - type: endpoint
      key: listModels
      path: list
    - type: endpoint
      key: retrieveModel
      path: retrieve
    - type: endpoint
      key: deleteModel
      path: delete
    - type: object
      key: Model
      path: object
  - id: moderations
    title: Moderations
    description: 'Given a input text, outputs if the model classifies it as violating OpenAI''s content policy.


      Related guide: [Moderations](/docs/guides/moderation)

      '
    sections:
    - type: endpoint
      key: createModeration
      path: create
    - type: object
      key: CreateModerationResponse
      path: object
  - id: assistants
    title: Assistants
    beta: true
    description: 'Build assistants that can call models and use tools to perform tasks.


      [Get started with the Assistants API](/docs/assistants)

      '
    sections:
    - type: endpoint
      key: createAssistant
      path: createAssistant
    - type: endpoint
      key: createAssistantFile
      path: createAssistantFile
    - type: endpoint
      key: listAssistants
      path: listAssistants
    - type: endpoint
      key: listAssistantFiles
      path: listAssistantFiles
    - type: endpoint
      key: getAssistant
      path: getAssistant
    - type: endpoint
      key: getAssistantFile
      path: getAssistantFile
    - type: endpoint
      key: modifyAssistant
      path: modifyAssistant
    - type: endpoint
      key: deleteAssistant
      path: deleteAssistant
    - type: endpoint
      key: deleteAssistantFile
      path: deleteAssistantFile
    - type: object
      key: AssistantObject
      path: object
    - type: object
      key: AssistantFileObject
      path: file-object
  - id: threads
    title: Threads
    beta: true
    description: 'Create threads that assistants can interact with.


      Related guide: [Assistants](/docs/assistants/overview)

      '
    sections:
    - type: endpoint
      key: createThread
      path: createThread
    - type: endpoint
      key: getThread
      path: getThread
    - type: endpoint
      key: modifyThread
      path: modifyThread
    - type: endpoint
      key: deleteThread
      path: deleteThread
    - type: object
      key: ThreadObject
      path: object
  - id: messages
    title: Messages
    beta: true
    description: 'Create messages within threads


      Related guide: [Assistants](/docs/assistants/overview)

      '
    sections:
    - type: endpoint
      key: createMessage
      path: createMessage
    - type: endpoint
      key: listMessages
      path: listMessages
    - type: endpoint
      key: listMessageFiles
      path: listMessageFiles
    - type: endpoint
      key: getMessage
      path: getMessage
    - type: endpoint
      key: getMessageFile
      path: getMessageFile
    - type: endpoint
      key: modifyMessage
      path: modifyMessage
    - type: object
      key: MessageObject
      path: object
    - type: object
      key: MessageFileObject
      path: file-object
  - id: runs
    title: Runs
    beta: true
    description: 'Represents an execution run on a thread.


      Related guide: [Assistants](/docs/assistants/overview)

      '
    sections:
    - type: endpoint
      key: createRun
      path: createRun
    - type: endpoint
      key: createThreadAndRun
      path: createThreadAndRun
    - type: endpoint
      key: listRuns
      path: listRuns
    - type: endpoint
      key: listRunSteps
      path: listRunSteps
    - type: endpoint
      key: getRun
      path: getRun
    - type: endpoint
      key: getRunStep
      path: getRunStep
    - type: endpoint
      key: modifyRun
      path: modifyRun
    - type: endpoint
      key: submitToolOuputsToRun
      path: submitToolOutputs
    - type: endpoint
      key: cancelRun
      path: cancelRun
    - type: object
      key: RunObject
      path: object
    - type: object
      key: RunStepObject
      path: step-object
  - id: completions
    title: Completions
    legacy: true
    description: 'Given a prompt, the model will return one or more predicted completions along with the probabilities of alternative tokens at each position. Most developer should use our [Chat Completions API](/docs/guides/text-generation/text-generation-models) to leverage our best and newest models. Most models that support the legacy Completions endpoint [will be shut off on January 4th, 2024](/docs/deprecations/2023-07-06-gpt-and-embeddings).

      '
    sections:
    - type: endpoint
      key: createCompletion
      path: create
    - type: object
      key: CreateCompletionResponse
      path: object