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Microsoft Translator Text API Azure AI Translator

Legacy names Microsoft Translator Text API, Azure Cognitive Services Translator

Cloud-based neural machine translation and LLM-adaptive translation service for real-time text, synchronous single-file, and batch document translation across more than 100 languages.

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Naming timeline

  1. Microsoft Translator Text API

    · Cognitive Services Launch & V3 API (May 2018)

    Offered on Azure as Microsoft Translator Text API alongside Custom Translator.

  2. Azure Cognitive Services Translator

    · Cognitive Services Brand Alignment

    Simplified from Microsoft Translator Text API to Azure Cognitive Services Translator, adding batch document translation in May 2021.

  3. Azure AI TranslatorCurrent name

    · Azure AI Services Rebrand

    Rebranded from Azure Cognitive Services Translator to Azure AI Translator (and surfaced as Azure Translator in Foundry Tools within Microsoft Foundry).

What is Microsoft Translator Text API called now?

Microsoft Translator Text API is now called Azure AI Translator, with the latest change on 18 July 2023 (Azure AI Services Rebrand). Earlier names covered by this entry also include Azure Cognitive Services Translator. Cloud-based neural machine translation and LLM-adaptive translation service for real-time text, synchronous single-file, and batch document translation across more than 100 languages. Only the customer-facing name changed; the underlying technical identifiers remain backward compatible.

Also known as

  • Azure Translator in Foundry Tools
  • Azure Translator
  • Microsoft Translator
  • Custom Translator

Technical identifiers

Technical identifiers unchanged. Only the customer-facing product name changed; the APIs, CLI commands, IAM roles and Terraform resources below keep their legacy identifiers for backward compatibility.

ARM Resource Providers (Microsoft.*)Microsoft.CognitiveServices/accounts (kind: TextTranslation) api.cognitive.microsofttranslator.com
Azure CLI (az) / PowerShellaz cognitiveservices account
Entra ID / Azure RBAC RolesCognitive Services User Cognitive Services Contributor
Terraform Resources (azurerm_*)azurerm_cognitive_account

ARM resource provider Microsoft.CognitiveServices/accounts (kind 'TextTranslation'), api.cognitive.microsofttranslator.com endpoints, az cognitiveservices CLI, and azurerm_cognitive_account remain unchanged.

Notes & disambiguation

  • Originally offered on Azure as the Microsoft Translator Text API and renamed to Azure Cognitive Services Translator in 2020, the service was rebranded to Azure AI Translator in July 2023 as part of the broader Azure Cognitive Services to Azure AI Services rename.
  • In 2025–2026 Microsoft Learn documentation and the Azure product catalog, the service is also labeled 'Azure Translator in Foundry Tools' (or 'Azure Translator') and introduced the 2026-06-06 GA Text Translation API supporting both neural machine translation (NMT) and selectable large language models (LLMs) with adaptive custom translation.
  • All underlying Azure Resource Manager (ARM), CLI, RBAC, and Terraform primitives remain unchanged under Microsoft.CognitiveServices/accounts with kind 'TextTranslation', az cognitiveservices account, Cognitive Services User, and azurerm_cognitive_account.

Sources & official documentation

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