Synthflow

Synthflow is presented as a full-stack Voice AI platform for enterprises that automates phone calls across customer service, sales, appointment booking, and call routing. The page describes a visual Flow Designer, multi-agent subflows, a Test Center for simulated calls, in-house telephony that can work alongside existing SIP or PBX setups, real-time monitoring, and omnichannel support across voice, chat, and SMS. It also lists integrations with CRMs, CCaaS platforms, calendars, and tools such as HubSpot, Salesforce, Zapier, and Google Cloud, and states compliance certifications including SOC 2, HIPAA, PCI DSS, and GDPR. Case studies on the page describe use in BPO, CRM, healthcare, technology, and public sector deployments, with reported outcomes such as call volume handled and time to deployment. A free trial to build agents is mentioned, with a pay-as-you-go model for live calls.

Key features

• Visual Flow Designer for defining call logic and connecting APIs
• Automated simulated-call testing in a Test Center
• Synthflow in-house telephony network with stated sub-100 ms latency
• Compatibility with existing SIP or PBX setups and SIP-based providers
• Multi-agent system with subflows that handle tasks independently
• AI sandbox for version tracking, comparison, and rollback
• Real-time monitoring of calls, webhooks, and APIs
• Auto-QA and conversation analysis
• Data fine-tuning using past call data
• Omnichannel agents across voice, chat, and SMS
• Inbound and outbound call handling
• Appointment booking, call routing, voicemail detection, and SMS follow-ups
• Multi-language support and human handoff/escalation rules
• Integrations with CRMs, ERPs, calendars, and tools such as HubSpot, Salesforce, Zapier, and Google Cloud
• Call recordings
• Pre-built industry templates for building agents

Best suited for

• Enterprises automating high-volume inbound and outbound phone calls
• BPO and call center operations handling tier-1 support and overflow
• Healthcare providers handling appointment scheduling and patient calls
• Retail teams handling order tracking and FAQs
• Financial services and insurance teams handling verification and account requests
• Sales teams qualifying leads and scheduling demos
• Organizations seeking CRM and telephony integrations

Pricing

Free trial to start building agents; pay-as-you-go for live calls and chats. Enterprise pricing not stated.