Lead Reactivation
Customer Engagement
Payment Reminders
Lead Qualification
Customer Support
AI Receptionist
Upselling
Solar & HVAC
Healthcare
Real Estate
Insurance
Recruiting
Energy
Financial Services
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Customer stories
Articles
AI Agents Hub
Partnerships
Playbook
telli Studio
Intuitive no-code agent builder to change and improve conversations with natural text.
Every customer call,
handled by AI.
The #1 AI voice platform for agents that sell, support and operate - across millions of calls
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telli API
curl --request POST \
--url https://api.telli.com/v1/schedule-call \
--header 'Authorization: <api-key>' \
--header 'Content-Type: application/json' \
--data '
{
"contact_id": "3cc90c3cc-0d44-4b50-8888-8dd25736052a",
"agent_id": "3758b733-2fe3-40b2-866b-aa0a1fc40cf2",
}'Trusted by hundreds of leading B2C companies — from large to small.
See how these companies use telli to automate their call operations.
Use Cases
Driving Results Across Teams
Sales
Generate uplift with the only AI phone platform on the market that actually wins and retains more customers.
Lead Qualification
Reach more customers, qualify intent and book relevant sales meetings — automatically.
Upselling
Identify interest and turn service into sales conversations.
Reactivation
Activate dropped customers and drive adoption at scale.
Win-back
Re-engage churned customers with personalized offers and incentives at scale.
Appointment Setting
Book qualified meetings directly into your team's calendar.
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Operations
Streamline your operations with AI phone agents that complete tasks end-to-end, from scheduling to payment collection.
Appointment Scheduling
Schedule and confirm appointments at scale with real-time calendar availability.
Reminders & Follow-up
Follow up on inquiries and send automated reminders.
Payment Collection
Follow up on overdue payments and free up your team.
Data Collection
Gather customer information, run surveys, and enrich CRM records at scale.
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Customer Service
Create great customer experiences that turn service conversations into satisfaction and revenue.
Proactive Care
Trigger outbound care calls to solve issues proactively before customers churn.
IVR & Receptionist
Accept calls, identify intents, and route intelligently.
1st level Support
Handle multi-step requests and take system actions.
Feedback & Surveys
Collect customer feedback and run satisfaction surveys through natural conversations.
Discover more Use Cases
Homeday
1st Level Support for Inbound Calls
Enpal
Appointment Booking for Sales Representatives
Viessmann
Follow-up for Customer Engagement
telli raises $15M to build AI for customer-facing operations
telli has raised a $15M seed round led by redalpine, with support from new and existing investors, including Cherry Ventures and YC.
How telli works
The AI platform for your call operations
The telli Method — developed with and used by leading companies globally
Build human-like agents with the simplest agent creator on the market. No technical knowledge needed.
Multi-lingual Agents
Deploy agents in 20+ languages with native fluency.
Model Agnostic
Natural Voices & Cloning
Curated voice library plus voice cloning to stay on brand.
Knowledge Base
Upload documents and FAQs so your agent always has the right answer.
Integrations
Connect to Salesforce, HubSpot, and any CRM via native integrations or API.
Run you call center operations on auto-pilot
Actions
Allow your agent to do real-time actions during the call with pre-built actions or custom ones.
Workflows
Build post-call workflows and connect telli with the systems you are working with.
Phone Number Management
Use telli phone numbers or bring your own via SIP trunking.
Contact Management (CRM)
Manage your contacts in telli, sync properties with your CRM and always keep information up to date.
Live Monitoring
Get a live overview of current calls and working agents
Smart Dialing
Optimize call timing, retry logic, and parallel dialing for maximum pickup rates.
Improve your AI voice agents over time with testing & analytics
Analytics
Real-time dashboards with conversion rates, call duration, and outcome tracking.
Call Outcomes
Get pre-built and custom outcomes after every call — from summaries to sentiment and structured data.
Call Reviews
Listen to recordings and read full transcripts to understand every conversation in detail.
Testing
Talk to your agent via voice or chat directly in the app to test changes before going live.
A/B Testing
Compare agent versions side by side and pick the one that converts best.
Scale your operations internationally at scale without adding headcount
Global Agents
Deploy AI voice agents in 30+ languages with local accents and cultural context.
Parallel Calls
Scale from 1 to thousands of parallel calls without people and infrastructure changes.
Evaluations & QA
Flag calls that need attention and mark them as pass or fail to maintain quality.
We value your trust.
Your trust is our priority. We safeguard data with the highest standards of security and compliance, ensuring every interaction is protected and every customer feels secure.
Customer Stories
Loved by leading teams
See how industry leaders use telli to simplify their call operations
"One of the best real value generating SaaS GenAI products out there"
Andreas
CTO at Allright
"Voice AI that truly changes our daily sales activities: Thanks to this great support, my team can focus much more on the truly relevant conversations and is significantly relieved in day-to-day business."
Burhan
Head of Sales at McMakler
"Impressive call quality. Some of our clients were sure all the way through to the end of the call that they weren't speaking with an AI at all, despite us clearly stating multiple times before and during the conversation that they were interacting with an AI."
Marc Vincent
Head of Venture Development
"We’ve been using telli for three months to book appointments with leads, and the results have been great. It’s surprisingly easy to use, and the AI agent consistently books appointments at the same rate or better than our internal call center."
Tommaso Piatti
Director Operations
How Enpal boosts weekly service appointments by 30% with telli
“telli is flexible, scalable, and customer-centric. With telli, our team stays focused on what really matters.”
Lukas McKenzie, Business Development Manager at Enpal
How Bark adds 800 hours of weekly calling capacity with telli’s AI agents
“telli makes it possible to run high-quality phone workflows that would normally require a full team.”
John Oberlin-Harris, Executive General Manager for US, UK, and Canada at Bark
How Homeday delivers 24/7 inbound call coverage with telli
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“The biggest benefit of partnering with telli is the relief for our team. Our employees can now focus on the tasks that truly move the business forward.”
Christoph Schaarschmidt, Customer Service Lead at Homeday
The most innovative companies build with telli. From startups to global enterprises
All Case StudiesGet started
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