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Pricing sourced from Synthflow · Last verified March 2026
Synthflow is an enterprise voice AI platform that automates phone calls using AI voice agents for both inbound and outbound communications. It combines advanced speech recognition, natural language understanding, and human-like voices with in-house telephony delivering under 100ms latency. Agents can answer questions, route calls based on context, book appointments, detect voicemails, and send SMS follow-ups. The platform uses a proprietary BELL framework (Build, Evaluate, Launch, Learn) to guide enterprise deployments from prototype to production.
Synthflow uses a Pay-As-You-Go (PAYG) pricing model — you can build and configure your AI agent for free using the template library or from scratch, and only pay when you launch and start conducting actual calls and chats. There is no upfront cost to design custom call flows, set up voicemail detection, or configure integrations. Enterprise pricing for higher volumes and dedicated support is available through the sales team. This makes initial experimentation low-risk compared to platforms with mandatory monthly subscriptions.
Yes — Synthflow is built for regulated industries with end-to-end encryption and compliance certifications spanning HIPAA, SOC 2, and PCI DSS, plus GDPR alignment. This makes it suitable for healthcare providers handling PHI, financial services managing payment data, and enterprise services with strict data governance requirements. Few voice AI platforms in our directory carry all three of HIPAA, SOC 2, and PCI DSS, which is one of Synthflow's strongest enterprise differentiators. Carrier-grade infrastructure also delivers 99.99% uptime for mission-critical phone operations.
Synthflow offers native CRM sync with GoHighLevel, HubSpot, and Salesforce, plus connections to Google Cloud, Zapier, and a wide range of ERPs. This lets teams sync call data, automate follow-ups, and trigger workflows in existing systems without custom development. The Zapier integration extends reach to thousands of additional apps for teams with non-standard tooling. Custom integrations are also possible through the platform's API for enterprise deployments with proprietary systems.
Synthflow agents are designed to manage uncertainty gracefully — they can ask clarifying questions, offer alternate responses, or escalate to a human agent. You define the tone, language, and fallback responses for your AI, and configure escalation rules based on failed attempts or detected sentiment. This means calls stay on-brand even in edge cases, and human handoff can be triggered automatically when the AI detects frustration or repeated misunderstandings. Sentiment analysis runs throughout the call to catch issues early.
AI builders and operators use Synthflow to streamline their workflow.
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