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Synthflow

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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 its visual Flow Designer to set business logic, connect APIs, and build voice workflows. The Test Center simulates calls to assess accuracy, response quality, and compliance; Auto-QA and monitoring analyze live conversations. Its in-house telephony supports SIP trunking and connections to existing telephony systems, and it connects with more than 200 apps, including HubSpot, Salesforce, RingCentral, Zapier, and Google Calendar. Security resources list SOC 2 Type 2, GDPR, HIPAA, ISO/IEC 27001, ISO/IEC 42001:2023, and PCI DSS v4.0.1; most documents require an access request and NDA acceptance. Web and API access are listed. Enterprise contracts start at $30,000/yr, billed annually, with final pricing scoped to call volume, concurrency, setup, integrations, security needs, and launch support.

Who it suits

Synthflow suits enterprise phone operations, including BPOs and call centers, as well as retail, financial services, real estate, healthcare, and technology teams. It is aimed at organizations needing inbound and outbound call automation with human handoff.

What it does well

  • Handles inbound and outbound calls with human handoff.
  • Flow Designer builds logic and connects APIs.
  • Integrates with more than 200 apps.
  • Test Center simulates calls; Auto-QA monitors live conversations.
  • Supports SIP trunking and existing telephony systems.

What to know first

  • Enterprise contracts start at $30,000/yr, billed annually.
  • Most security documents require an access request and NDA.
  • Final pricing depends on operational and launch requirements.

Limits

Enterprise contracts start at $30,000 a year, billed annually. Final pricing is scoped around call volume, concurrency, telephony setup, integrations, security needs, and launch support.

Plans

PlanBilled and limitsPrice
Enterpriseannually · Contracts start at this price; final pricing is scoped around call volume, concurrency, telephony setup, integrations, security needs, and launch support$30,000 a year

As synthflow.ai lists them, read 5 Oct 2026. The maker's own page has the final word.

Getting started

  1. Visit the Synthflow website.
  2. Contact Synthflow about an Enterprise contract starting at $30,000 a year, billed annually.
  3. Scope call volume, concurrency, telephony setup, integrations, security needs, and launch support.
  4. Arrange implementation, onboarding, testing, training, and launch support under the enterprise contract.
  5. Build call flows in the visual Flow Designer and connect APIs as needed.

Verdict

Synthflow brings call workflows, testing, monitoring, integrations, and telephony into an enterprise Voice AI platform. Contracts start at $30,000/yr, and final pricing is scoped to the operation and its launch needs.

Questions

What does Synthflow cost?

Enterprise contracts start at $30,000 a year, billed annually. Final pricing is scoped around call volume, concurrency, telephony setup, integrations, security needs, and launch support.

Can Synthflow handle inbound and outbound calls?

Yes. Its agents automate inbound and outbound phone conversations and support human handoff.

Which platforms are available?

Synthflow is available via web and API.

What apps does it connect with?

Synthflow says it connects with more than 200 apps, including HubSpot, Salesforce, RingCentral, Zapier, and Google Calendar.

What security resources and controls does it list?

Its documented controls include two-factor authentication, enterprise single sign-on, allowed email domains, and signed webhooks. 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.

Can buyers access its security documents?

Most security documents require an access request and acceptance of Synthflow's NDA.

Facts from Synthflow's own pages

Agent building
The visual Flow Designer lets teams define business logic, connect APIs, and build voice AI flows. · synthflow.ai, 5 Oct 2026
Call workflows
Its agents can handle contextual routing, appointment booking, voicemail detection, and SMS follow-ups. · synthflow.ai, 5 Oct 2026
Headquarters
Berlin, Germany · synthflow.ai, 28 Sept 2026
Integrations
Synthflow says it connects with more than 200 apps, including HubSpot, Salesforce, RingCentral, Zapier, and Google Calendar. · synthflow.ai, 5 Oct 2026
Pricing model
Synthflow says new pricing is sales-led and scoped to expected usage, telephony, integrations, security requirements, and support needs. · docs.synthflow.ai, 5 Oct 2026
Product
Synthflow describes itself as an enterprise Voice AI platform for automating inbound and outbound phone conversations. · synthflow.ai, 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. · security.synthflow.ai, 5 Oct 2026
Security controls
Synthflow documents two-factor authentication, enterprise single sign-on, allowed email domains, and signed webhooks. · docs.synthflow.ai, 5 Oct 2026
Support
Enterprise pricing includes SLA and support terms scoped in the contract, along with implementation, onboarding, testing, training, and launch support. · synthflow.ai, 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. · synthflow.ai, 5 Oct 2026
Telephony
Synthflow says its in-house telephony supports SIP trunking and integration with existing telephony systems. · synthflow.ai, 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. · synthflow.ai, 5 Oct 2026
Trust documents
The Trust Center says most security documents require an access request and acceptance of its NDA. · security.synthflow.ai, 5 Oct 2026

Where Synthflow stands on Freedom251

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