Certus AI is a Y Combinator S25 startup replacing the traditional restaurant phone line with a voice AI agent. Its system answers every call 24/7, taking orders, booking reservations, handling deliveries, upselling, and managing complaints in multiple languages including English, Spanish, and French. The company, which originated in South Africa and is now registered in the UK and US, raised a $500K pre-seed round in 2025 backed by Y Combinator, Team Ignite Ventures, and Pioneer Fund. The team operates out of San Francisco.
Certus AI
ActiveReplacing the restaurant phone line with Voice AI
Total raised
$1M
2 rounds
Stage
Pre-Seed
Sep 2025
Team
1-10
since 2025
Pricing
—
Founded
2025
San Francisco, United States
Agent-ready
—
Voice AI agent that replaces the traditional restaurant phone line
Answers every call 24/7 with no missed calls
Takes food orders over the phone
Books and manages reservations
Handles delivery requests
Upsells menu items during calls
Manages customer complaints and inquiries
Multilingual support including English, Spanish, and French
12/100
Early
MCP server
Public API
Webhooks
OAuth 2.0
SDKs
No public agent surfaces detected yet.
Cumulative raise
From 2025 to 2026 · 2 rounds tracked
Total
$1M
Sep 2025 Pre-Seed $500K incl. Pioneer Fund +2
Jan 2025 Seed $500K ● Y Combinator
Capital network
$1M raised ·3 backers·10 network links
- Backers3
- Shared portfoliocompanies these backers also fund
- Extended networkfunds that co-invest alongside them
Wispr
Effortless voice dictation powered by AI
AI WritingAI Voice & Speech
ElevenLabs
The most realistic AI voices for creators, developers, and enterprise.
AI ChatbotsAI Voice & Speech
Wondercraft
The Canva of audio — generative AI podcasts and ads
AI VideoAI Voice & Speech
David AI
The data layer for next-generation audio and voice AI models
AI Voice & SpeechAI Audio
Assort Health
AI Voice & Speech
Regal AI
AI Voice & Speech
- What does Certus AI do for restaurants?
- Certus AI replaces the restaurant phone line with a voice AI agent that answers calls 24/7, taking orders, booking reservations, handling deliveries, upselling, and managing complaints.
- What languages does Certus AI support?
- It handles calls in multiple languages including English, Spanish, and French, so restaurants can serve a broader range of customers.
- Will it miss calls during busy times?
- The system is designed to answer every call around the clock, which helps restaurants capture orders and reservations they might otherwise miss during rushes or after hours.
- Is Certus AI an established company?
- Certus AI is a Y Combinator S25 company that originated in South Africa, is registered in the UK and US, and raised a $500K pre-seed round in 2025.
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