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Synthflow AI

Free trial · From $375/mo

This tool creates smart AI voices that answer your business phone calls, talk to customers, and complete tasks like booking appointments or qualifying leads. It works 24/7, helping you save time, manage many calls, and make sure no customer is left waiting.

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OverviewFeaturesUse CasesFAQPricing

About Synthflow AI

Who It's For

This tool is for businesses that get many phone calls, like real estate, restaurants, or healthcare clinics. It helps manage customer service, book appointments, and qualify sales leads automatically. If you need to handle calls efficiently and ensure no customer waits, this is for you.

What You Get

You receive AI agents that sound human and talk naturally with customers. These agents work 24/7, answering calls instantly, which means no more missed opportunities. They save your team hours by automating routine calls, freeing staff for complex tasks. The system also offers strong reliability and security.

How It Works

You design the AI agent's conversation and actions using simple tools, customizing its voice and teaching it with your company's information. The system tests the agent before launch to ensure it works correctly. Once live, the AI agent uses its dedicated phone network to handle calls, continuously improving from real conversations.

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Features & Capabilities

⚙️ Core AI Functionality

Conversational AI

Designs and deploys AI agents across voice, chat, and SMS for consistent and intelligent customer interactions.

Customizable Conversation Flows

Visually defines every step of an AI agent's logic flow, allowing connection to APIs and creation of precise behaviors.

Prompt-Based Configuration

Configures agent personality, objectives, and conversational style using natural language prompts.

Knowledge Base Integration

Enables agents to answer questions using trusted internal documents, web content, or integrated help centers.

🚀 Deployment & Lifecycle

BELL Framework

A structured methodology (Build, Evaluate, Launch, Learn) for rapid, risk-reduced, and continuously improving AI agent deployment.

In-House Enterprise Telephony

Utilizes Synthflow's own network for highly reliable call routing, low latency, and enterprise-grade call quality.

Automated Testing & Evaluation

Features a Test Center for simulated calls to measure agent accuracy, response quality, and compliance against KPIs.

Real-Time Monitoring & Auto-QA

Analyzes live conversations for accuracy and intent, feeding insights back for continuous agent improvement.

🔗 Automation & Integration

Real-Time Actions

Enables agents to perform dynamic actions like booking appointments, initiating warm transfers, and updating records during a conversation.

CRM & Tech Stack Integration

Connects with over 200 CRMs, CCaaS platforms, calendars, and data tools to operate within existing workflows.

Intelligent Voice Response (IVR)

Extracts key caller preferences and data points (e.g., budget, location) to qualify leads and guide the conversation.

Warm Transfer

Seamlessly transfers high-intent leads or complex customer inquiries to a human agent or sales representative in real-time.

🔒 Enterprise Trust & Performance

Certified Security & Compliance

Adheres to SOC 2, HIPAA, PCI DSS, and GDPR standards with full encryption, audit logs, and region-based hosting.

High Availability & Uptime

Guarantees 99.99% uptime with multi-cloud redundancy and instant failover for uninterrupted service.

Compliant & Brand-Safe Interactions

Ensures agents follow defined logic and approved knowledge sources to prevent off-script or hallucinated responses.

Rapid Deployment & ROI

Achieves fast time-to-value with forward-deployed engineers, launching agents in weeks and delivering measurable ROI quickly.

Use Cases

Automating Real Estate Lead Qualification & Booking

Real estate teams often struggle to efficiently qualify a high volume of inbound leads and book appointments with agents. Synthflow AI deploys a voice agent like 'Paul' to engage potential buyers, gather critical information on their preferences (location, budget, timeline), qualify them based on predefined criteria, and seamlessly schedule a follow-up call with a human agent, saving significant time and improving conversion rates.

Real EstateFor: Real Estate Agents

Streamlining Restaurant Reservations via Voice AI

Fine dining restaurants face challenges managing reservation calls, especially during peak hours, often leading to missed calls or an overburdened front desk. Synthflow AI provides a warm, conversational AI assistant like 'Laura' that can handle reservation inquiries, book, modify, or cancel appointments, capture special requests (dietary, occasion), and integrate directly with booking calendars, ensuring every customer call is answered and managed efficiently 24/7.

HospitalityFor: Restaurant Management

Automating Healthcare Appointment Scheduling & Patient Inquiries

Healthcare clinics frequently encounter high call volumes for appointment scheduling, rescheduling, cancellations, and general patient questions, straining administrative staff. Synthflow AI offers a thoughtful voice assistant like 'Jessica' to handle these interactions, using an integrated knowledge base for common FAQs and real-time calendar booking. This ensures patients receive prompt, accurate assistance around the clock, improving patient experience and operational efficiency while maintaining HIPAA compliance.

HealthcareFor: Healthcare Administrators

Frequently asked questions

Synthflow AI is a platform designed to create and manage AI voice assistants that handle both inbound and outbound customer calls and chats. It supports creating AI agents capable of conducting live conversations, automating customer service, lead qualification, appointment booking, and other tasks.

Synthflow AI offers Inbound Assistants to handle incoming customer calls such as support or general inquiries; Outbound Assistants to initiate calls for outreach, follow-ups, or updates; and Widgets, which are embeddable chat widgets for websites to engage visitors in real time.

Yes. You can select from the latest AI models including GPT-4o and GPT-4o-Mini or use Synthflow’s proprietary LLM. The platform also supports custom voice cloning by uploading as few as five audio samples to create your own voice.

Yes. It enables advanced custom actions such as querying databases (e.g., HubSpot) and integrating with existing workflows, which may require developer involvement.

The voice assistant uses the name defined in the prompt script, not the name set in the general configuration settings. For example, if you configure the assistant’s name as “AI Call Agent” but the prompt introduces it as “Derreck,” the assistant will introduce itself as “Derreck.”

Synthflow AI is compliant with standards including SOC 2, HIPAA, and GDPR. It employs end-to-end encryption, making it suitable for regulated industries like healthcare and finance.

Synthflow provides a No-code visual Flow Designer to design conversation flows and business logic, an AI Sandbox to test and simulate conversations before going live with version control and safe rollbacks, Real-time Monitoring to track live calls and debug in real time, and Data Fine-Tuning to improve agent performance using past call data.

Yes, you can upload company procedures, PDF documents, and other materials to create a knowledge base that the AI can reference during conversations. If the AI does not know an answer, it can review this knowledge base to provide accurate responses.

Synthflow provides templates for various industries including Real Estate, Recruitment, Car Dealerships, and more. Its customizable architecture suits a wide range of applications requiring automated voice interaction.

BELL stands for Build, Evaluate, Launch, Learn — a repeatable lifecycle process embedded in Synthflow to develop, test, deploy, and continuously improve AI voice agents efficiently and safely.

Synthflow offers a knowledge base, community forums, live webinars, and direct support from experts to help users learn and troubleshoot their AI voice agents.

Tags

automated customer supportappointment bookinglead qualificationcall automationmultichannel messaging

Specifications

Deployment
Browser
API
Cloud
Target Audience
Business
Enterprise
Complexity
Developer

Pricing

Pro

Per monthly

$375
  • 2,000 Minutes Included
  • Extra Minute: $0.13
  • LLM Agent
  • Transcriber
  • 25 Concurrent Calls
  • Extra Concurrent Call: $7/call
  • New Phone Number: $1.50
  • Boosted Queuing for Calls: $500/mo
  • Unlimited Assistants
  • Multi-language
  • Invite Team Members
  • Custom Workflows Included (8,000)
  • Extra Workflow: $0.002
  • Send SMS
  • Real-time Booking
  • Call Transfer
  • Information Extractor
  • Custom Actions
  • Rest API
  • All Existing Integrations
  • Synthflow Academy
  • Support via Ticketing System

Growth

Per monthly

$750
  • Includes all features from the Pro plan
  • 4,000 Minutes Included
  • Extra Minute: $0.12
  • 50 Concurrent Calls
  • Rebilling
  • Batch Campaigns
  • Custom Workflows Included (42,000)
  • 25 Subaccounts
  • Early Access to New Features

Agency

Per monthly

$1250
  • 6,000 Minutes Included
  • Extra Minute: $0.12
  • LLM Agent
  • Transcriber
  • 80 Concurrent Calls
  • Extra Concurrent Call: $7/call
  • New Phone Number: $1.50
  • Boosted Queuing for Calls: $500/mo
  • Unlimited Assistants
  • Multi-language
  • Rebilling
  • Batch Campaigns
  • Invite Team Members
  • Custom Workflows Included (100,000)
  • Extra Workflow: $0.002
  • Send SMS
  • Real-time Booking
  • Call Transfer
  • Information Extractor
  • Custom Actions
  • White-label Platform
  • Unlimited Subaccounts
  • Rest API
  • All Existing Integrations
  • 30-day Onboarding via Private Slack, then Support via Ticketing System

Enterprise

Per monthly

Contact sales
  • Volume-based Price, as low as $0.08/min
  • Minutes Included: Custom
  • Extra Minute: Custom
  • LLM Agent
  • Transcriber
  • Concurrent Calls: Custom
  • Extra Concurrent Call: Custom
  • New Phone Number: Included
  • Boosted Queuing for Calls: $500/mo
  • Unlimited Assistants
  • Multi-language
  • Rebilling
  • Batch Campaigns
  • Invite Team Members
  • Custom Workflows Included (Custom)
  • Extra Workflow: Custom
  • Send SMS
  • Real-time Booking
  • Call Transfer
  • Information Extractor
  • Custom Actions
  • White-label Platform
  • Unlimited Subaccounts
  • Rest API
  • All Existing Integrations
  • Custom Integrations
  • SIP Trunk Integrations
  • Solution Architect
  • Enterprise Onboarding, Training, Support
  • Guaranteed Uptime (SLA)
  • HIPAA Compliance
  • SOC2 Security Compliance
  • GDPR Compliance

✓ Free trial • ✓ Plans from $375 / monthly • ✓ Enterprise options

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