Leader in Voice AI Agents for Business

Enterprise-Ready Voice AI Agents for AI Phone Calls

Deliver exceptional customer support 24/7 at a fraction of the cost. Stop missing calls and start converting more leads by automating calls.

Podcastle
Krisp
Kittl
Medbelle
Smartcat
10Web
Jobflow
Zenjob
GoTiger
Aizee
Peak Demand
Europaper
MineralAnswers.com
Comparewise

Talk to a Synthflow AI Agent

+1 650 250 0929

or Have It Call You!

Please, try again

Call me
Thank you!

You’ll receive your call shortly.

Something went wrong, please try again later.

45M+
Customer Calls per Month
Reliable, scalable
Voice AI operations
4M+
Hours Saved
Save time on call operations
and generate net-new revenue
+35%
Answered Calls
Agents work tirelessly,
within strict guardrails
99.9%
Uptime
Non-stop AI phone agents
for your business

Why Voice AI Agents?

Fast Implementation,
Flexible Budget

You don't have to choose between time, cost, and quality.

Deploy Voice AI Agents in 3 Weeks, not ∞ Months

Ideal for customer support and contact center teams: Equip your company with powerful voice AI tailored to your specific business needs in just weeks.

Illustration for "Deploy Voice AI in 3 Weeks, not ∞ Months" Item

Human-Like, Natural Conversations with Latency <500ms

Enjoy seamless conversations with low latency — just like speaking to a human customer support agent. Natural language processing (NLP) meets human-like voice interactions.

Illustration for "Human-Like, Natural Conversations with Latency <500ms" Item

Voice AI Expert Team for Your Agents

Dedicated AI engineers, telephony specialists, solution architects, and customer success managers ensure your agents remain reliable and operational — even outside business hours — so you never miss a call.

Illustration for "Voice AI Expert Team for Your Agents" item

Voice AI Bundle: Maximum Performance, as low as $0.08/minute

Affordable solutions tailored for large teams — no enterprise overhauls necessary. We ensure a perfect pilot before scaling, so you can manage high call volumes and enhance service without breaking the bank.

Illustration for "Voice AI Bundle: Maximum Performance, as low as $0.08/minute" item

use cases

Hear Voice AI in Action

Customer Support, Bookings & Reservations, Lead Qualification, Account Verification, Order Management, Call Routing, FAQ Handling — We’ve Got You Covered!

Data Collection
Lead Qualification
Lead Qualification
Answer FAQs
Claim Report
Schedule Appointment
Data Collection
Lead Qualification
Lead Qualification
Answer FAQs
Claim Report
Schedule Appointment

Security

Enterprise-Level Security & Support

End-to-end infrastructure with fast response times and 99.99% reliability.

Agents Operate Within Strict Guardrails, Hallucination-Proof

Clearly defined boundaries ensure accurate and on-brand conversations. AI Agents crawl knowledge bases to maintain customer trust and prevent inaccurate responses.

SOC2, HIPPA, GDPR-Compliant

Fully compliant with US and EU data protection laws, ensuring secure handling of sensitive information.

Telephony, CRM, Calendar: 200+ Integrations

Seamlessly connect your existing phone systems and numbers via SIP trunking. Dynamic integrations route customer data directly to your CRMs, CCaaS, calendars, and more.

Data Managed In-House

Your data and customer conversations are encrypted and managed internally for maximum security and control.

PCI DSS Compliant

Securely protect sensitive data like cardholder information based on your requirements.

Regular Pen Tests & Continuous Unit Testing

Ongoing security testing to safeguard systems and ensure flawless performance.

Integrations

Connect to Your Tech Stack, CRM, & More

No need to alter your existing technology. Our out-of-the-box API and custom integrations simplify implementation — streamlining customer support, follow-ups, and lead conversions.

3CX
RingCentral
Vonage
Salesforce
GoHighLevel
Zapier
Stripe
Bubble
Make.com
Google Meet
ElevenLabs
Twilio
Cal.com
HubSpot

Customer Stories

The Fastest-growing Businesses Use Synthflow

Learn how companies streamline customer support and elevate the customer experience. Over 30,000 accounts trust Synthflow to stay ahead of the competition.

Use Cases

Sales Qualification

Demo Scheduling

Smartcat, a leading language AI platform, partnered with Synthflow to enhance its lead qualification process using Voice AI Agents. The collaboration led to reducing booking costs by 70%, enabling Smartcat’s sales team to focus on high-value conversations and boost overall efficiency.

US
Technology
200+
+24%
Answered
Calls
+15%
Closed
Sales
+15%
Lead
Reactivation
-70%
Booking
Cost
Screenshot of a Dashboard
Use Cases

Appointment booking

Lead Qualification

Handling FAQ

Medbelle integrated Synthflow’s AI assistant to optimize appointment management and minimize patient wait times. By automating scheduling and follow-ups, Medbelle achieved a 60% boost in scheduling efficiency and saw 2.5x more booked appointments — transforming patient experiences and operational productivity.

UK & EU
Healthcare
51-200
+60%
Scheduling
Efficiency
-30%
No-show
Rates
2.5x
Qualified
Appointments
+25%
Patient
Satisfaction
Medbelle Team
Use Cases

Data Collection

Service Request Automation

Data Collection

Peak Demand replaced outdated forms with Synthflow Voice AI for a major transit provider. Residents now make quick calls, and AI handles requests instantly — improving speed, accuracy, and service. After proven success, more AI agents are rolling out citywide, setting a new standard for public service delivery.

Canada
Agency, Public Sector
10-50
3
Working AI Agents
Patient
Satisfaction
-100%
Missed calls
after hours
-80%
Entering
requests time
100%
Automated
data collection
Photo Illustration for Peak Demand Case Study Slide

Testimonials

Trusted by Enterprise Teams

What our users are saying about us.

Daniel Lefanov

Synthflow’s Voice AI Agents help us book more demos faster. We increased theconversion rates in the top of our lead pipeline: the number of contacts dialed by 31% and the number of answered calls, 24%. With more people dialed, we re-focused thesales team on high-value signals.

Daniel Lefanov

Daniel Lefanov

Implementation Manager, Smartcat

Alex Lecky

Our transit service client is highly satisfied with the implementation of their new voice agent and service request automation. They are now exploring further automation, expanding use cases and planning the deployment of three additional agents.

Alex Lecky

Alex Lecky

Founder, Peak Demand

Leander De Laporte

Synthflow.ai's platform is incredibly user-friendly and versatile. Whether it's for handling customer support queries or managing appointments.

Leander De Laporte

Leander De Laporte

CEO & Co-Founder, Medbelle

Collins W.

I am about to reach out to a lot more people that are interested in my product. Before I was calling 100s of people per day but now I can do that in just a few minutes of my time. Saves me so much time and from doing the dreadful time spent on the phone.

Collins W.

Collins W.

Mortgage Protection Specialist

Resources

Learn More About Voice AI & Call Operations

Discover fresh insights in Voice AI tech. Stay inspired and informed.

AI Call Center for Your Business

What if your call center could operate 24/7?

Read the Blog

Future of Voice AI: A Complete Guide

Learn about the current state and future trends of Voice AI.

Download the Guide

FAQ

Everything You Need to Know

What is Synthflow?
Does Synthflow offer a free trial?
We already have a support team. Why use Synthflow?
Is Synthflow secure and compliant?
Can I customize Synthflow for my workflows?
Can Synthflow integrate with our current tools?
How quickly can I get started?
What if the AI says something off-brand?
What happens if the AI gets stuck?
Can Synthflow filter spam or voicemails?
Will I need technical help to use Synthflow?
Can we use our own brand voice?
How well does Synthflow scale?

tailored Demo

Want to Discuss Your Use Case?

Managing over 20,000 minutes of calls per month? Dive deeper with our experts to learn how Voice AI can scale your customer service operations and deliver ROI around the clock.

AI Generated image of an AI Operator