Why Retell AI matters
Retell AI raises a $4.6M seed round led by Alt Capital with Y Combinator and more than 20 operator angels, and has disclosed only about $5M in total funding. Trackers report annual recurring revenue above $40M as of January 2026, with the platform handling tens of millions of calls a month. Wing VC names Retell to its Enterprise Tech 30 list of early-stage companies in April 2026.
The numberReported annual recurring revenue above $40M in January 2026 on roughly $5M of total funding raised
On The Agentic 80
Listed under Voice agents. Agents that talk on the phone.
Quick answers
- What does Retell AI do?
- Platform for building AI phone agents for call centers, appointment booking and lead qualification. Retell AI raises a $4.6M seed round led by Alt Capital with Y Combinator and more than 20 operator angels, and has disclosed only about $5M in total funding.
- What AI capabilities does Retell AI offer?
- Retell AI provides a platform for building and deploying AI phone agents that place and receive calls for businesses. Agents can handle appointment booking, lead qualification, customer support, and outbound campaigns using spoken conversation, knowledge bases, and tool calls. The service includes telephony, call recording, transcripts, and integrations so teams can connect agents to CRMs and scheduling systems.
- Why is Retell AI on The Agentic 80?
- Retell AI is listed under Voice agents. Agents that talk on the phone. Reported annual recurring revenue above $40M in January 2026 on roughly $5M of total funding raised.
- Where is Retell AI based, and who owns it?
- Retell AI is based in San Francisco, CA, was founded in 2023 and is private, Seed.