Synthflow
Synthflow is an enterprise Voice AI platform for automating inbound and outbound phone conversations.
What Synthflow is
Synthflow is an enterprise Voice AI platform for automating inbound and outbound phone conversations. Its agents can route calls based on context, book appointments, detect voicemail, send SMS follow-ups, and hand calls to a person. Teams can use the visual Flow Designer to define business logic, connect APIs, and create voice workflows. The Test Center simulates calls to assess accuracy, response quality, and compliance; Auto-QA and monitoring analyze live conversations. In-house telephony supports SIP trunking and connections to existing systems, and the platform connects with more than 200 apps, including HubSpot, Salesforce, RingCentral, Zapier, and Google Calendar. Listed security controls include two-factor authentication, enterprise single sign-on, allowed email domains, and signed webhooks. Synthflow is available via web and API and is headquartered in Berlin, Germany.
Good
- Handles inbound and outbound call workflows.
- Includes call simulation and live conversation monitoring.
- Connects with more than 200 apps.
- Documents enterprise security controls and compliance resources.
Watch out
- Most Trust Center security documents require an access request and NDA.
- Final pricing depends on operational and launch requirements.
Who it suits
Synthflow is aimed at enterprise phone operations, including BPOs and call centers, as well as retail, financial services, real estate, healthcare, and technology teams. It may suit organizations that need voice workflows connected to business systems and existing telephony.
Verdict
Synthflow combines configurable voice workflows with testing, monitoring, telephony, and integrations for enterprise phone operations. Its contract starting price and scoped final pricing make it a substantial enterprise purchase to evaluate.
Plans and prices
From Synthflow's own pricing page, checked 5 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Enterprise | $30,000 a year | Contracts start at this price; final pricing is scoped around call volume, concurrency, telephony setup, integrations, security needs, and launch support · annually |
The facts
Each one read from Synthflow's own pages, with the date it was checked.
What it does
- Agent building
- The visual Flow Designer lets teams define business logic, connect APIs, and build voice AI flows.checked 5 Oct 2026
- Call workflows
- Its agents can handle contextual routing, appointment booking, voicemail detection, and SMS follow-ups.checked 5 Oct 2026
- Integrations
- Synthflow says it connects with more than 200 apps, including HubSpot, Salesforce, RingCentral, Zapier, and Google Calendar.checked 5 Oct 2026
- Pricing model
- Synthflow says new pricing is sales-led and scoped to expected usage, telephony, integrations, security requirements, and support needs.checked 5 Oct 2026
- Product
- Synthflow describes itself as an enterprise Voice AI platform for automating inbound and outbound phone conversations.checked 5 Oct 2026
- Security certifications
- Its Trust Center lists SOC 2 Type 2, GDPR, HIPAA, ISO/IEC 27001, ISO/IEC 42001:2023, and PCI DSS v4.0.1 among its compliance resources.checked 5 Oct 2026
- Security controls
- Synthflow documents two-factor authentication, enterprise single sign-on, allowed email domains, and signed webhooks.checked 5 Oct 2026
- Support
- Enterprise pricing includes SLA and support terms scoped in the contract, along with implementation, onboarding, testing, training, and launch support.checked 5 Oct 2026
- Target users
- Synthflow says its platform is built for enterprise phone operations, including BPOs and call centers, retail, financial services, real estate, healthcare, and technology teams.checked 5 Oct 2026
- Telephony
- Synthflow says its in-house telephony supports SIP trunking and integration with existing telephony systems.checked 5 Oct 2026
- Testing and monitoring
- The Test Center simulates calls to measure accuracy, response quality, and compliance, while Auto-QA and monitoring analyze live conversations.checked 5 Oct 2026
- Trust documents
- The Trust Center says most security documents require an access request and acceptance of its NDA.checked 5 Oct 2026
The company
- Headquarters
- Berlin, Germanychecked 28 Sep 2026
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