The voice your business deserves
SpeakSync gives your team expressive, human-sounding AI voice agents that understand your scripts, follow your tone, and scale your operations — without hiring a single caller.
Trusted by teams at
Conversational AI that sounds beautifully human
Enterprise-grade AI callers for any sector
Whether it's scheduling or always-on support, SpeakSync automates the calls that slow your team down. Securely integrate our human-like Voice AI to boost availability without sacrificing quality.
Medical Equipment Sales
Billing Dispute Resolution
Cold Call — SaaS Trial
Identity Verification Flow
Appointment Reminder
Perfect your digital twin
Create a seamless replica of any voice from just a brief audio sample, perfectly capturing its unique warmth and character.
Everything you need to run AI calls at scale
SpeakSync isn't just a voice API. It's a complete calling platform for any team size.
Custom Voice Selection
Choose from 50+ expressive voices or clone your own. Set tone, pacing, and personality to match your brand perfectly.
Learn more →Script & Tone Control
Upload call scripts, set agent personas, and guide delivery with stage directions. Your agent listens — literally.
Learn more →Call History & Dispositions
Track every call, filter by disposition, and export data. Full visibility over your AI calling operations.
Learn more →Dialer Integrations
Plug into ViciDial, Google Voice, Twilio, or any cloud telephony. SpeakSync fits into your existing stack.
Learn more →Multi-LLM Support
Run your agents on GPT-4, Claude, or Gemini. You choose the model — we handle everything else.
Learn more →Enterprise-Grade Security
SOC 2 compliant, encrypted call recordings, and role-based access. Your data stays yours.
Learn more →Talk to SpeakSync — right now
Experience the voice quality yourself. Our demo agent is live and ready to answer your questions.
Tap to speak with Aria
Our live AI voice bot
Enterprise Voice AI built to manage every call, at any scale
View customers →Never miss a support call again
Demo: Customer Support
Real call recording
"Resolved 78% of tier-1 tickets without a human touch."
— Operations Lead, EquipShare
Works with the tools you already use
Plug SpeakSync into your existing stack. No rip-and-replace. No engineering sprints.

+ REST API and webhook support for custom integrations
“90% of our outbound calls are now handled by SpeakSync. We just review dispositions and follow up on the hot leads. It's transformed our sales motion entirely.”
“The voice quality is genuinely impressive — our customers often don't realize they're speaking to an AI. The call resolution rates speak for themselves.”
Ahmed R.
Head of CX, Fintech Platform
“As a small business owner making 200+ calls a week, SpeakSync gave me my time back. Setup took less than an hour. The ROI was immediate.”
Tom L.
Owner, Home Services Co.
From the blog
Latest updates
PRODUCT UPDATES
Building Voice Models Is No Longer a Modeling Problem
What's changed isn't just where voice is used, but what it represents. Voice is no longer a feature layered on top of an intelligent system. It's becoming a foundational modality through which models reason, interact, and are judged.
COMPARISON
Speaksync vs ElevenLabs: Why Real-Time Matters
Discover why ultra-low latency is becoming a foundational requirement for intelligent systems, and how Speaksync outpaces ElevenLabs in real-time conversational AI models.
PRODUCT UPDATES
Vapi Alternative: Building Custom Voice Agents Faster
A deep dive into why developers are switching from Vapi to Speaksync for greater flexibility, superior voice models, and seamless API integrations.