Rozetta T-4OO
Does not function in real-time mode and only supported for batch pre-translation.
CrossLang
A proxy that can provide access to multiple MT engines (custom, generic, etc.). Due to engine limitations, does not support batch pre-translation and is not available in real-time mode.
Globalese
Can only be used for batch pre-translation with the Globalese Document Translation plugin.
Segment-by-segment MT suggestions are available via the Globalese Cloud Text Translation plugin. For real-time, segment-by-segment MT suggestions via the Globalese Cloud Text Translation plugin, the first suggestion may have a 10-15 second delay. Subsequent suggestions are provided instantly.
Google Translate
Google Translate API key is required.
KantanMT
When connecting to the KantanMT engine, the KantanMT engine must be first started by Phrase (unless already running). Results may take a few minutes.
Microsoft Custom Translator
When creating or editing the Microsoft Custom Translator engine, set up an account with Microsoft, choose Global as Subscription region and obtain an Azure Key.
Microsoft Translator / Microsoft Translator Hub
When creating or editing the Microsoft Translator / Microsoft Translator Hub MT engine, set up an account with Microsoft and obtain an Azure Key. Regional and Multi-Service resources are not supported.
NICT
Does not support batch pre-translation.
Omniscien Technologies
Only supported for batch pre-translation. Due to engine limitations, not available in a real-time mode.
Tilde MT
When connecting to the Tilde MT engine, it must be first started by Phrase (unless already running). Results may take a few minutes.
Yandex
Phrase has an API integration with Yandex.Cloud. To connect with the engine, a Service account API key (not an IAM token) is required on the Service account tab.
The API key provided at https://translate.yandex.com/developers/keys is a key for a different version of API than the integration.
Note
From Yandex:
Starting May 27, 2020, free API keys aren't issued. We recommend using Yandex.Translate included in Yandex.Cloud, which supports the latest neural machine translation (NMT) technology.