Salesforce to acquire Cresta: voice AI agents join Service Cloud

Salesforce signed a definitive agreement to acquire Cresta, the voice AI agent company that runs customer calls for brands like Marriott, Comcast and Alaska Airlines. It is Salesforce's third acquisition announcement in two weeks, per Salesforce Ben. If a Cresta voice agent answers your phones, your vendor just picked a CRM. That changes what the next renewal looks like.

What actually happened

Per Salesforce's November 2 announcement, Cresta's voice agents handle "complex, high-volume calls" end to end, and Cresta also sells real-time conversation intelligence for calls that humans lead. Salesforce will pair it with Service Cloud, so businesses can "connect every conversation to the customer and to the outcome it drives."

Three details matter for buyers:

• No price. Neither company disclosed one. Some outlets printed a figure; we could not confirm it against a primary source, so we leave it out.
• Third-party telephony stays, for now. Salesforce says that after close, Cresta "will continue to support the leading contact center and telephony platforms its customers rely on today."
• Not done yet. The deal is expected to close in the first quarter of Salesforce's fiscal 2028, subject to regulatory approval.

It follows Salesforce's Braze deal and its earlier purchase of Fin. Salesforce now owns a text-first support agent and a voice-first one.

Why the Cresta acquisition matters for your business

"Continue to support" is a promise with no end date. Read it closely. It covers platforms customers use "today." It says nothing about new integrations, pricing, or how long non-Salesforce stacks stay first-class. We have watched this pattern before: the open integrations stay, and the new features ship for the house platform first.

Your call data is the asset. Transcripts, intents, outcomes, the scripts your best reps use: that is what you have trained the voice agent on. If you are a Cresta customer, confirm today that you can export it in a usable format. Do it before the deal closes, not at renewal.

If you are shopping for a voice agent, price the exit. A voice agent touches your phone numbers, your order system and your CRM. Pick one where the call logic, prompts and tool definitions live somewhere you control, so a change of owner is a migration, not a rebuild.

Sources: Salesforce, Salesforce Ben.