openproject/docs/api/apiv3/paths/project_copy.yml

# /api/v3/projects/{id}/copy
---
post:
  parameters:
  - description: Project id
    example: '1'
    in: path
    name: id
    required: true
    schema:
      type: integer
  responses:
    '302':
      description: Returned if the request is successful. It will redirect to the
        job statuses API with the backend job that got created. You can query that
        endpoint to check the status of the copy, and eventually get the created project.
      headers: {}
    '400':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _type: Error
                errorIdentifier: urn:openproject-org:api:v3:errors:InvalidRequestBody
                message: The request body was not a single JSON object.
      description: Occurs when the client did not send a valid JSON object in the
        request body.
      headers: {}
    '403':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _type: Error
                errorIdentifier: urn:openproject-org:api:v3:errors:MissingPermission
                message: You are not authorized to access this resource.
      description: |-
        Returned if the client does not have sufficient permissions.

        **Required permission:** copy projects in the source project        
      headers: {}
    '422':
      content:
        application/hal+json:
          examples:
            response:
              value:
                _embedded:
                  details:
                    attribute: name
                _type: Error
                errorIdentifier: urn:openproject-org:api:v3:errors:PropertyConstraintViolation
                message: Name can't be blank.
      description: |-
        Returned if:

        * a constraint for a property was violated (`PropertyConstraintViolation`)        
      headers: {}
  tags:
  - Projects
  description: ''
  operationId: Create_project_copy
  summary: Create project copy