Which speech-to-text and voice APIs sign a BAA?

Developer APIs for transcription and voice that healthcare apps build on.

Of the 7 we’ve checked, 1 sign a BAA on every listed plan, 4 only on some plans or setups, and 0 don’t. For 2, we couldn't confirm either way from the vendor's own pages.

ToolBAAPlans with a BAAChecked
Google Cloud Speech-to-TextGoogle CloudSigns a BAAGoogle Cloud customers (with a Services Agreement)Some AI features excluded or partly coveredOct 12, 2026
Amazon Transcribe (incl. Transcribe Medical)Amazon Web ServicesSome plans onlyAWS accounts (Sign up for AWS, advanced)Oct 12, 2026
AssemblyAIAssemblyAISome plans onlyPaid (upgraded) accountsOct 11, 2026
DeepgramDeepgramSome plans onlyEnterpriseOct 11, 2026
ElevenLabsElevenLabsSome plans onlyEnterpriseSome AI features excluded or partly coveredOct 11, 2026
Azure AI Speech (Azure Speech in Foundry Tools)MicrosoftNot confirmed—Oct 12, 2026
SpeechmaticsSpeechmaticsNot confirmed—Oct 11, 2026