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    Fork a category version.
    • 12 May 2026
    • 9 Minutes to read
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    Contents

    Fork a category version.

    • Updated on 12 May 2026
    • 9 Minutes to read
    • Contributors
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    Article summary

    Post
    /v3/projects/{project_id}/categories/{category_id}/fork

    Creates a new draft version by copying the latest published version of the category. Returns 409 Conflict if a draft version already exists for this category. The newly created draft can then be edited via PATCH /v3/projects/{projectId}/categories/{categoryId}/content. The response includes the full content of the new draft version.

    Security
    OAuth

    All V3 endpoints require a Bearer token. Generate tokens in the Document360 portal under Settings > API Tokens. Tokens are project-scoped, require the customerApi scope, and do not expire by default. Tokens can be revoked at any time from the portal. Include the token in every request: Authorization: Bearer <your-token>. Alternatively, use the Authorize button below to sign in via OAuth2 Authorization Code flow with PKCE.

    FlowAuthorization Code
    Authorization URLhttps://identity.document360.net/connect/authorize
    Token URLhttps://identity.document360.net/connect/token
    Scopes:
    customerApiDocument360 Customer API
    Path parameters
    project_id
    string (uuid) Required

    The unique identifier of the project. Retrieve project IDs from GET /v3/projects.

    Example9a3b4c5d-6e7f-8a9b-0c1d-2e3f4a5b6c7d
    category_id
    string (uuid) Required

    The unique identifier of the category. Retrieve category IDs from GET /v3/projects/{project_id}/categories.

    Exampleb4c5d6e7-f8a9-0b1c-2d3e-4f5a6b7c8d9e
    Responses
    201

    Category version forked successfully.

    Headers
    Location
    string
    URL of the newly created resource.
    Category version forked successfully

    A new draft version has been created from the published content. The response shows the new draft version.

    {
  "data": {
    "id": "9a3b4c5d-6e7f-8a9b-0c1d-2e3f4a5b6c7d",
    "title": "Getting Started",
    "content": "# Getting Started\nWelcome to our product! This guide will help you set up your account and begin using the platform.",
    "html_content": "
    Getting Started
    \n
    Welcome to our product! This guide will help you set up your account and begin using the platform.
    ",
    "parent_category_id": null,
    "project_version_id": "1c2d3e4f-5a6b-7c8d-9e0f-a1b2c3d4e5f6",
    "version_number": 3,
    "public_version": 2,
    "latest_version": 3,
    "enable_rtl": false,
    "hidden": false,
    "status": 0,
    "created_by": "a1b2c3d4-e5f6-7a8b-9c0d-1e2f3a4b5c6d",
    "created_at": "2025-08-16T10:00:00Z",
    "modified_at": "2025-08-16T10:00:00Z",
    "modified_by": "a1b2c3d4-e5f6-7a8b-9c0d-1e2f3a4b5c6d",
    "slug": "getting-started",
    "is_fallback_content": false,
    "content_type": 0,
    "current_workflow_status_id": null
  },
  "success": true,
  "request_id": "req_abc123def456",
  "errors": null,
  "warnings": null
}
    Expand All
    object

    Generic API response wrapper containing typed data.

    data
    object

    Response data payload.

    id
    string (uuid) | null

    Unique identifier of the category.

    Example9a3b4c5d-6e7f-8a9b-0c1d-2e3f4a5b6c7d
    title
    string | null

    Title of the category.

    content
    string | null

    Markdown content of the category.

    html_content
    string | null

    HTML-rendered content of the category.

    parent_category_id
    string | null

    Identifier of the parent category, if any. Retrieve category IDs from GET /v3/projects/{projectId}/categories.

    project_version_id
    string | null

    Project version this category belongs to. Corresponds to a version from GET /v3/projects/{projectId}/project-versions.

    version_number
    integer (int32)

    Current version number of the content.

    public_version
    integer (int32)

    Published version number.

    latest_version
    integer (int32)

    Latest available version number.

    enable_rtl
    boolean

    Whether right-to-left text direction is enabled.

    hidden
    boolean

    Whether the category is hidden from readers.

    status
    string

    Publication status of the category. Possible values: 0 = Draft, 3 = Published.

    Valid values[ "draft", "published", "forked", "unpublished" ]
    created_by
    string | null

    User ID of the creator. Corresponds to a user from GET /v3/projects/{projectId}/users.

    created_at
    string (date-time)

    Date and time the category was created.

    modified_at
    string (date-time)

    Date and time the category was last modified.

    modified_by
    string | null

    User ID of who last modified this category. Corresponds to a user from GET /v3/projects/{projectId}/users.

    slug
    string | null

    URL-friendly slug for the category.

    is_fallback_content
    boolean

    Whether the content is a fallback from the default language.

    content_type
    string | null

    Content format type. Possible values: 0 = Markdown, 1 = Wysiwyg (rich text), 2 = Block.

    Valid values[ "markdown", "wysiwyg", "block" ]
    current_workflow_status_id
    string | null

    Current workflow status identifier, if workflows are enabled. Retrieve available statuses from GET /v3/projects/{projectId}/workflow-statuses.

    success
    boolean

    Whether the API request was successful.

    request_id
    string

    Unique identifier for request tracing and correlation.

    Min length1
    errors
    Array of object (ApiError) | null

    List of errors if the request failed.

    object

    Represents an error returned by the API.

    code
    string

    Machine-readable error code (e.g. VALIDATION_ERROR, RESOURCE_NOT_FOUND).

    Min length1
    message
    string

    Human-readable error message.

    Min length1
    field
    string | null

    The request field that caused the error, if applicable.

    details
    string | null

    Additional context about the error.

    warnings
    Array of object (ApiWarning) | null

    List of non-fatal warnings from the request.

    object

    Represents a non-fatal warning from the API.

    code
    string

    Machine-readable warning code.

    Min length1
    message
    string

    Human-readable warning message.

    Min length1
    401

    Authentication token is missing or invalid.

    Headers
    WWW-Authenticate
    string
    Indicates the authentication scheme required. Returns `Bearer` with optional `error` and `error_description` parameters per RFC 6750.
    Missing or invalid token

    Authentication token is missing or invalid.

    {
  "type": "https://developer.document360.com/errors/unauthorized",
  "title": "Unauthorized.",
  "status": 401,
  "detail": "The authentication token is missing or has expired.",
  "instance": null,
  "trace_id": "req_abc123def456",
  "errors": [
    {
      "code": "UNAUTHORIZED",
      "message": "Bearer token is missing or invalid.",
      "field": null,
      "details": null
    }
  ],
  "warnings": null
}
    Expand All
    object

    RFC 7807 Problem Details response for V3 API errors. Content-Type: application/problem+json

    type
    string

    URI reference identifying the error type (links to documentation).

    Min length1
    title
    string

    Short human-readable summary of the error type.

    Min length1
    status
    integer (int32)

    HTTP status code.

    detail
    string | null

    Human-readable explanation specific to this occurrence.

    instance
    string | null

    URI of the request that generated the error.

    trace_id
    string | null

    Request trace identifier for correlation.

    errors
    Array of object (ApiError) | null

    Structured list of specific errors (extension field).

    object

    Represents an error returned by the API.

    code
    string

    Machine-readable error code (e.g. VALIDATION_ERROR, RESOURCE_NOT_FOUND).

    Min length1
    message
    string

    Human-readable error message.

    Min length1
    field
    string | null

    The request field that caused the error, if applicable.

    details
    string | null

    Additional context about the error.

    warnings
    Array of object (ApiWarning) | null

    Non-fatal warnings (extension field).

    object

    Represents a non-fatal warning from the API.

    code
    string

    Machine-readable warning code.

    Min length1
    message
    string

    Human-readable warning message.

    Min length1
    404

    Category not found.

    Resource not found

    The requested resource was not found.

    {
  "type": "https://developer.document360.com/errors/not-found",
  "title": "Not Found.",
  "status": 404,
  "detail": "The requested resource does not exist or has been deleted.",
  "instance": null,
  "trace_id": "req_abc123def456",
  "errors": [
    {
      "code": "RESOURCE_NOT_FOUND",
      "message": "The requested resource was not found.",
      "field": null,
      "details": null
    }
  ],
  "warnings": null
}
    Expand All
    object

    RFC 7807 Problem Details response for V3 API errors. Content-Type: application/problem+json

    type
    string

    URI reference identifying the error type (links to documentation).

    Min length1
    title
    string

    Short human-readable summary of the error type.

    Min length1
    status
    integer (int32)

    HTTP status code.

    detail
    string | null

    Human-readable explanation specific to this occurrence.

    instance
    string | null

    URI of the request that generated the error.

    trace_id
    string | null

    Request trace identifier for correlation.

    errors
    Array of object (ApiError) | null

    Structured list of specific errors (extension field).

    object

    Represents an error returned by the API.

    code
    string

    Machine-readable error code (e.g. VALIDATION_ERROR, RESOURCE_NOT_FOUND).

    Min length1
    message
    string

    Human-readable error message.

    Min length1
    field
    string | null

    The request field that caused the error, if applicable.

    details
    string | null

    Additional context about the error.

    warnings
    Array of object (ApiWarning) | null

    Non-fatal warnings (extension field).

    object

    Represents a non-fatal warning from the API.

    code
    string

    Machine-readable warning code.

    Min length1
    message
    string

    Human-readable warning message.

    Min length1
    409

    Category already has a draft version.

    Resource conflict

    The request conflicts with the current state of the resource.

    {
  "type": "https://developer.document360.com/errors/conflict",
  "title": "Conflict.",
  "status": 409,
  "detail": "The resource is in a state that conflicts with this operation.",
  "instance": null,
  "trace_id": "req_abc123def456",
  "errors": [
    {
      "code": "CONFLICT",
      "message": "A draft version already exists for this resource.",
      "field": null,
      "details": null
    }
  ],
  "warnings": null
}
    Expand All
    object

    RFC 7807 Problem Details response for V3 API errors. Content-Type: application/problem+json

    type
    string

    URI reference identifying the error type (links to documentation).

    Min length1
    title
    string

    Short human-readable summary of the error type.

    Min length1
    status
    integer (int32)

    HTTP status code.

    detail
    string | null

    Human-readable explanation specific to this occurrence.

    instance
    string | null

    URI of the request that generated the error.

    trace_id
    string | null

    Request trace identifier for correlation.

    errors
    Array of object (ApiError) | null

    Structured list of specific errors (extension field).

    object

    Represents an error returned by the API.

    code
    string

    Machine-readable error code (e.g. VALIDATION_ERROR, RESOURCE_NOT_FOUND).

    Min length1
    message
    string

    Human-readable error message.

    Min length1
    field
    string | null

    The request field that caused the error, if applicable.

    details
    string | null

    Additional context about the error.

    warnings
    Array of object (ApiWarning) | null

    Non-fatal warnings (extension field).

    object

    Represents a non-fatal warning from the API.

    code
    string

    Machine-readable warning code.

    Min length1
    message
    string

    Human-readable warning message.

    Min length1
    429

    Rate limit exceeded. Retry after the duration specified in the Retry-After header.

    Headers
    Retry-After
    integer
    Number of seconds to wait before retrying the request. Use exponential backoff with jitter for optimal retry behavior.
    X-RateLimit-Limit
    integer
    The maximum number of requests allowed in the current time window. Limits are applied per API token per project.
    X-RateLimit-Remaining
    integer
    The number of requests remaining in the current time window. When this reaches 0, subsequent requests will receive a 429 response.
    X-RateLimit-Reset
    integer
    The UTC epoch timestamp (in seconds) when the current rate limit window resets.
    Rate limit exceeded

    Rate limit exceeded.

    {
  "type": "https://developer.document360.com/errors/too-many-requests",
  "title": "Too Many Requests.",
  "status": 429,
  "detail": "Rate limit exceeded. Retry after the duration specified in the Retry-After header.",
  "instance": null,
  "trace_id": "req_abc123def456",
  "errors": [
    {
      "code": "TOO_MANY_REQUESTS",
      "message": "Rate limit exceeded. Retry after the duration specified in the Retry-After header.",
      "field": null,
      "details": null
    }
  ],
  "warnings": null
}
    Expand All
    object

    RFC 7807 Problem Details response for V3 API errors. Content-Type: application/problem+json

    type
    string

    URI reference identifying the error type (links to documentation).

    Min length1
    title
    string

    Short human-readable summary of the error type.

    Min length1
    status
    integer (int32)

    HTTP status code.

    detail
    string | null

    Human-readable explanation specific to this occurrence.

    instance
    string | null

    URI of the request that generated the error.

    trace_id
    string | null

    Request trace identifier for correlation.

    errors
    Array of object (ApiError) | null

    Structured list of specific errors (extension field).

    object

    Represents an error returned by the API.

    code
    string

    Machine-readable error code (e.g. VALIDATION_ERROR, RESOURCE_NOT_FOUND).

    Min length1
    message
    string

    Human-readable error message.

    Min length1
    field
    string | null

    The request field that caused the error, if applicable.

    details
    string | null

    Additional context about the error.

    warnings
    Array of object (ApiWarning) | null

    Non-fatal warnings (extension field).

    object

    Represents a non-fatal warning from the API.

    code
    string

    Machine-readable warning code.

    Min length1
    message
    string

    Human-readable warning message.

    Min length1
    500

    An unexpected server error occurred.

    Unexpected server error

    Unexpected server error.

    {
  "type": "https://developer.document360.com/errors/internal-error",
  "title": "Internal Server Error.",
  "status": 500,
  "detail": "An unexpected error occurred. Please try again or contact support.",
  "instance": null,
  "trace_id": "req_abc123def456",
  "errors": [
    {
      "code": "INTERNAL_SERVER_ERROR",
      "message": "An unexpected error occurred.",
      "field": null,
      "details": null
    }
  ],
  "warnings": null
}
    Expand All
    object

    RFC 7807 Problem Details response for V3 API errors. Content-Type: application/problem+json

    type
    string

    URI reference identifying the error type (links to documentation).

    Min length1
    title
    string

    Short human-readable summary of the error type.

    Min length1
    status
    integer (int32)

    HTTP status code.

    detail
    string | null

    Human-readable explanation specific to this occurrence.

    instance
    string | null

    URI of the request that generated the error.

    trace_id
    string | null

    Request trace identifier for correlation.

    errors
    Array of object (ApiError) | null

    Structured list of specific errors (extension field).

    object

    Represents an error returned by the API.

    code
    string

    Machine-readable error code (e.g. VALIDATION_ERROR, RESOURCE_NOT_FOUND).

    Min length1
    message
    string

    Human-readable error message.

    Min length1
    field
    string | null

    The request field that caused the error, if applicable.

    details
    string | null

    Additional context about the error.

    warnings
    Array of object (ApiWarning) | null

    Non-fatal warnings (extension field).

    object

    Represents a non-fatal warning from the API.

    code
    string

    Machine-readable warning code.

    Min length1
    message
    string

    Human-readable warning message.

    Min length1
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