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Synthflow

Effortless Human-Like AI Phone Calls

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Overview

Synthflow provides enterprise-ready AI voice agents to automate phone calls for businesses. Deliver exceptional 24/7 customer support and convert more leads at a fraction of the cost. Synthflow’s scalable, reliable Voice AI operations allow you to save time on call handling and generate new revenue. Designed for scale and accuracy, Synthflow powers over 10 million+ voice calls monthly in 30+ countries with 99.9% uptime. Build sophisticated, tailored AI voice agents—no coding or technical skills needed. Enjoy seamless integration, true conversational AI, and human-like natural responses every time.

How It Works

  • Create an AI Agent: Consult with Synthflow, use a template, or build from scratch with prompts.
  • Tailor to Your Needs: Select a language, pick or clone your voice, and connect to your knowledge base.
  • Connect and Go Live: Integrate Voice AI with over 200+ tech stack tools and APIs.
  • Synthflow manages seamless connections between callers and necessary actions in your systems.
  • Automate both inbound and outbound calls.
  • Instantly turn records into phone calls for follow-ups, notifications, and campaigns.

Use Cases

Effortless Human-Like AI Phone Calls
Deliver 24/7 customer support and convert more leads using AI voice agents that handle calls naturally and adapt in real time.
Automated Lead Qualification & Follow-Ups
Instantly qualify leads, reactivate dormant contacts, and run data-driven campaigns through automated inbound and outbound voice calls.
Appointment Booking and Order Management
Schedule appointments, send reminders, track orders, and provide real-time updates to your customers—all through AI-powered calls.

Features & Benefits

  • Enterprise-ready AI voice agents for customer support, sales, and more—24/7 service
  • Human-like, natural conversations (<500ms latency, advanced NLP)
  • Fast implementation—deploy tailored voice AI within weeks
  • Flexible & affordable pricing; bundles from $0.08/minute
  • Enterprise security & support—SOC2, HIPAA, GDPR, PCI DSS compliant; in-house encrypted data
  • Strict guardrails & hallucination-proof agents
  • No-code flow designer with visual building and conditional logic
  • Ready-made AI agent templates for quick setup
  • White label platform for agencies/resellers, including user management and custom branding
  • 99.9%+ uptime and high scalability (over 10M calls/month, 30+ countries)
  • Extensive integrations with 200+ tools (e.g., SIP trunking, Salesforce, HubSpot, RingCentral, Zapier)
  • Voice AI operating system for large-scale customer requests
  • Custom actions & workflows (order tracking, SMS, support tickets, calendar, call transfers, handoffs)
  • Multilingual agents (30+ languages & dialects)
  • Designed to scale—custom concurrent calls, high call volumes supported

Target Audience

  • Enterprise teams needing automated phone communications
  • Customer support and contact centre teams
  • Businesses with low to high phone call volumes (2,000 to 100,000+ minutes/month)
  • Agencies and resellers seeking white label voice AI offerings
  • Organizations requiring HIPAA, GDPR, SOC2 level security and compliance
  • Teams integrating AI voice agents with CRM, telephony, and calendar tools
  • Freelancers and startups launching their first AI voice agent

Pricing

  • Starter: £29/mo, 50 mins, 5 concurrent calls, unlimited assistants, basic features
  • Pro: £450/mo, 2,000 mins (£0.13/min extra), 25 concurrent calls, 8,000 workflows, team access, support via ticketing
  • Growth: £900/mo, 4,000 mins (£0.12/min extra), 50 concurrent calls, 42,000 workflows, 25 subaccounts, rebilling, access to new features, ticketing support
  • Agency: £1,400/mo, 6,000 mins (£0.12/min extra), 80 concurrent calls, 100,000 workflows, unlimited subaccounts, white label, 30-day onboarding & private Slack, ticketing support
  • Enterprise: Custom pricing (contact sales), as low as £0.08/min, SIP trunking, SLA uptime, 200+ concurrent calls, compliance (SOC2, HIPAA, GDPR), custom integrations, solution architect, enterprise onboarding, dedicated support & Slack
  • Additional charges: extra minutes/calls, new numbers (£1.50), boosted queuing (£500/mo), extra workflows (£0.002/workflow).
  • All plans include access to Synthflow Academy (except Enterprise, which offers bespoke onboarding).

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