Retell AI
Retell AI is a Voice Agent Infrastructure company founded in 2023 and based in San Francisco, United States. It has raised $4.6M in total funding, most recently a Seed in 2024.
Retell AI provides APIs and SDKs for building conversational voice agents with sub-800ms latency and built-in telephony support. Used by hundreds of companies for outbound sales, appointment setting, and customer support; raised seed funding in 2024.
Retell AI is the fastest-growing voice-agent infrastructure platform among enterprise users, competing directly with Vapi and Bland.
At a glance
Total raised
$4.6M
Headcount
11-50
Headquarters
San Francisco
United StatesFounded
2023
Status
Private
Subsector
Funding history
Total raised
$4.6M
Rounds tracked
1
Latest stage
Seed
| Date | Stage | Amount | Valuation | Lead investors |
|---|---|---|---|---|
| Apr 1, 2024 | Seed | $4.6M | — | Alt Capital |
In the news
Retell AI · last 30 days