openapi: 3.0.0
info:
  contact:
    email: support@smartling.com
  description: 'Before you begin using the Smartling APIs, we recommend going through our [Developer documentation](https://help.smartling.com/hc/en-us/categories/1260801686149).

    '
  termsOfService: https://www.smartling.com/legal
  title: Smartling REST API Reference Account & Projects Machine Translation (MT) API
  version: 2.0.0
  x-logo:
    url: smartling_logo.png
servers:
- url: https://api.smartling.com
tags:
- name: Machine Translation (MT)
  description: The Smartling platform offers state-of-the-art [Machine Translation capabilities](https://www.smartling.com/software/neural-machine-translation-hub/) through its synchronous account-level Machine Translation API. This API enables seamless translation of content without the need for it to be processed through Smartling workflows. The API offers access to all <a href="https://help.smartling.com/hc/en-us/articles/46030485398171" target="_blank" rel="noopener"> Profiles</a>, including the highly efficient MT Auto Select feature, providing unparalleled flexibility and control over your translation needs.
paths:
  /mt-router-api/v2/accounts/{accountUid}/smartling-mt:
    post:
      summary: Machine Translation (MT) using a preconfigured MT or LLM Profile
      description: Machine Translation (MT) using a preconfigured MT or LLM Profile. Input and output text format is HTML.
      tags:
      - Machine Translation (MT)
      operationId: translateForAccount
      parameters:
      - name: accountUid
        description: A unique account identifier. This can be found in the Smartling Dashboard under Account Settings > API.
        in: path
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/MTTranslateRequest'
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/MTTranslateResponse'
              examples:
                response:
                  value:
                    response:
                      code: SUCCESS
                      data:
                        items:
                        - key: key-from-request
                          translationText: Translated text
                          mtUid: m91o03gnvzuh
                          provider: AUTO_SELECT_PROVIDER
                          error: null
        '400':
          $ref: '#/components/responses/Error400ResponseDefinition'
        '401':
          $ref: '#/components/responses/Error401ResponseDefinition'
        '429':
          $ref: '#/components/responses/Error429ResponseDefinition'
        '500':
          $ref: '#/components/responses/Error500ResponseDefinition'
      x-code-samples:
      - lang: curl
        source: 'curl -H "Authorization: Bearer $smartlingToken" https://api.smartling.com/mt-router-api/v2/accounts/{accountUid}/smartling-mt

          '
components:
  schemas:
    Error500Response:
      properties:
        response:
          properties:
            code:
              description: Indicates whether the response was successful or what error has occured.
              enum:
              - GENERAL_ERROR
              - MAINTENANCE_MODE_ERROR
              type: string
            errors:
              items:
                $ref: '#/components/schemas/Error'
              type: array
          required:
          - code
          - errors
          type: object
      required:
      - response
      type: object
    MTTranslateResponse:
      type: object
      required:
      - response
      properties:
        response:
          allOf:
          - $ref: '#/components/schemas/SuccessResponse'
          - properties:
              data:
                properties:
                  items:
                    items:
                      $ref: '#/components/schemas/MTTranslateItemResponse'
                    type: array
                required:
                - items
                type: object
            type: object
    Error400Response:
      type: object
      properties:
        response:
          properties:
            code:
              description: Indicates whether the response was successful or what error has occured.
              enum:
              - VALIDATION_ERROR
              type: string
            errors:
              items:
                $ref: '#/components/schemas/Error'
              type: array
          required:
          - code
          - errors
          type: object
      required:
      - response
    MTTranslateItemRequest:
      properties:
        key:
          description: A unique identifier to match results in the response
          example: my-key-1
          type: string
          maxLength: 255
        sourceText:
          description: The text to translate
          example: Text to translate
          type: string
          maxLength: 64kb
      required:
      - key
      - sourceText
      type: object
    MTTranslateItemResponse:
      properties:
        key:
          description: A unique identifier from the request
          example: my-key-1
          type: string
        translationText:
          description: Translated text. Empty if error is present
          example: Text zum Übersetzen
          type: string
        mtUid:
          description: Translation unique identifier
          example: m91o03gnvzuh
          type: string
        provider:
          description: Provider used for translation
          example: AUTO_SELECT_PROVIDER
          type: string
        error:
          type: object
          properties:
            key:
              type: string
              description: Error key of the error
              example: PROVIDER_UNAUTHORIZED
            code:
              type: string
              description: Error code of the error
              example: invalid.credentials
            message:
              type: string
              description: Error code detailed message
              example: Invalid API Key.
      required:
      - key
      type: object
    Error429Response:
      properties:
        response:
          properties:
            code:
              description: Indicates whether the response was successful or what error has occured.
              enum:
              - MAX_OPERATIONS_LIMIT_EXCEEDED
              type: string
            errors:
              items:
                $ref: '#/components/schemas/Error'
              type: array
          required:
          - code
          - errors
          type: object
      required:
      - response
      type: object
    SuccessResponse:
      properties:
        code:
          description: Indicates whether the response was successful or what error has occured.
          enum:
          - SUCCESS
          type: string
      required:
      - code
      type: object
    Error401Response:
      properties:
        response:
          properties:
            code:
              description: Indicates whether the response was successful or what error has occured.
              enum:
              - AUTHENTICATION_ERROR
              - AUTHORIZATION_ERROR
              type: string
            errors:
              items:
                $ref: '#/components/schemas/Error'
              type: array
          required:
          - code
          - errors
          type: object
      required:
      - response
      type: object
    Error:
      type: object
      properties:
        key:
          example: general_error
          type: string
        message:
          example: Unexpected server error
          type: string
        details:
          example: {}
          type: object
      required:
      - key
      - message
    MTTranslateRequest:
      properties:
        sourceLocaleId:
          type: string
          description: Locale ID of the original text
          example: en-US
        targetLocaleId:
          type: string
          description: Locale ID of the requested translation
          example: de-DE
        profileUid:
          type: string
          description: Optional Profile UID to use for translation. Will override the default/preconfigured in the settings profile.
          example: 29f3ee25-7eaf-472e-9e26-550d512931cb
        items:
          items:
            $ref: '#/components/schemas/MTTranslateItemRequest'
          type: array
          maxItems: 1000
      required:
      - sourceLocaleId
      - targetLocaleId
      - items
      type: object
  responses:
    Error400ResponseDefinition:
      description: Provided request parameters are invalid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error400Response'
          examples:
            response:
              value:
                response:
                  code: VALIDATION_ERROR
                  errors:
                  - key: unknown.field
                    message: The field unknown.parameter was not expected. Please consult the documentation to verify the fields you are submitting.
                    details: unknown.parameter
    Error500ResponseDefinition:
      description: Unexpected error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error500Response'
    Error429ResponseDefinition:
      description: Too many simultaneous API requests.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error429Response'
          examples:
            response:
              value:
                response:
                  code: MAX_OPERATIONS_LIMIT_EXCEEDED
                  errors:
                  - key: too.many.requests
                    message: The limit of 10 concurrent Smartling file API operations for this project has been exceeded.
    Error401ResponseDefinition:
      description: Provided credentials are not valid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error401Response'
          examples:
            response:
              value:
                response:
                  code: AUTHENTICATION_ERROR
                  errors:
                  - details: {}
                    key: invalid_token
                    message: Invalid token
externalDocs:
  description: Smartling Help Center
  url: https://help.smartling.com