Microsoft Translator
You can find more details here: https://www.microsoft.com/en-us/translator/default.aspx.
There are 3 ways to access Microsoft Translator:
XTM shared account: free of charge. The account is not private, so no Client IDs or Client Secrets are required.
Azure Marketplace: If you do not use the XTM shared account, you need to get your token to access Microsoft Translator API. Learn more here: https://docs.microsoft.com/en-us/azure/cognitive-services/translator/translator-text-how-to-signup
Microsoft Custom Translator:
Custom Translator creates a private memory for a specific key. You can train this memory with domain-specific TMs. To find out more about this solution and sign up, go to: https://portal.customtranslator.azure.ai/ .