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Synthflow pricing, features, company info, and alternatives

A factual product page for Synthflow covering voice automation, pricing, compliance, and API support.

Last updated April 2026 · Pricing and features verified against official documentation

Categories Audio & Voice
Starting price Free
Company AgentFlow AI GmbH
Launched 2023
HQ Kurfürstendamm 15, 10719 Berlin, Germany
Verified Apr 25, 2026

Pricing

Current public pricing tiers on file for Synthflow, last verified Apr 25, 2026.

Pay as you go

$0 / month

Free to explore the platform; call and chat usage is billed separately, with 5 concurrent calls included on the public plan.

Enterprise

Custom

Quote-based plan for teams handling 10,000+ minutes per month, with unlimited concurrency, SLA support, and advanced compliance options.

What You Can Do With It

The main capabilities that shape how people use Synthflow today.

The BELL framework organizes the product around Build, Evaluate, Launch, and Learn.

The docs surface flow designer agents, single-prompt agents, manual testing, custom evaluations, simulations, and version control.

Deployment options include phone numbers, SIP trunking, WhatsApp, and API-based deployment.

Integrations cover CRM, automation, telephony, and voice tools such as HubSpot, Salesforce, Twilio, Zapier, Make, Cal.com, Stripe, Bubble, Zendesk, Freshworks, and ElevenLabs.

Best For

Who Synthflow is most clearly built for.

Teams automating inbound and outbound phone workflows such as support, appointment setting, and lead qualification.

Operators that want a web dashboard plus API access for building, testing, and deploying voice agents.

Organizations that need telephony and CRM integrations around production call automation.

Company

Leadership and company context for AgentFlow AI GmbH.

CEO

Hakob Astabatsyan

Founders

Hakob Astabatsyan, Albert Astabatsyan, Sassun Mirzakhan-Saky

Investors

Accel, Atlantic Labs, Singular

Headquarters

Kurfürstendamm 15, 10719 Berlin, Germany

Platforms

Where you can use Synthflow today.

Web

API

WhatsApp

Integrations

Notable connected tools and ecosystem hooks for Synthflow.

HubSpot

Salesforce

Twilio

Zapier

Make

Stripe

Cal.com

Bubble

Zendesk

Freshworks

ElevenLabs

Privacy Notes

Publicly stated data-handling notes that matter when evaluating Synthflow.

The privacy policy says the platform and website are controlled by AgentFlow AI GmbH and that processing is governed by GDPR and the German Federal Data Protection Act.

The security and compliance docs let admins disable call recordings and transcripts, limit retention to 30 days, and enable PII redaction.

The AI transparency statement says Synthflow may process call recordings, transcripts, caller ID, usage data, and optional CRM data, with a 90-day deletion default unless otherwise agreed.

Compliance

Public compliance or enterprise-governance signals we found for Synthflow.

GDPR

SOC 2

ISO 27001

Access

How to integrate or build around Synthflow.

Public API

Yes

Docs

Available

Alternatives

Other tools worth considering alongside Synthflow.

Vapi

Developer voice AI platform for building and operating voice agents.

Retell AI

Voice AI platform for building, testing, and running phone agents.

Bland AI

Voice AI platform for phone calls, SMS, and chat automation.

Product Snapshot

Synthflow is a voice AI platform for building and deploying automated phone-call agents. Its documentation organizes the product around a BELL loop of Build, Evaluate, Launch, and Learn.

What You Can Do With It

Pricing

Synthflow currently offers Pay as you go and Enterprise. Pay as you go starts at $0 and uses usage-based billing, while Enterprise is quote-based for teams handling 10,000+ minutes per month. The public pricing page also lists add-ons for concurrency, white-labeling, performance routing, and low-latency edge routing.

Company and Track Record

Synthflow is operated by AgentFlow AI GmbH in Berlin. Official company materials name Hakob Astabatsyan, Albert Astabatsyan, and Sassun Mirzakhan-Saky, and the company said it was founded in 2023 and emerged from stealth in December 2023.

Privacy and Compliance

The privacy policy says Synthflow processes personal data under GDPR and the German Federal Data Protection Act. The security and compliance docs let admins disable recordings or transcripts, limit retention to 30 days, and redact PII. The AI transparency statement says the platform may process call recordings, transcripts, caller ID, usage data, and optional CRM data, with a 90-day deletion default unless contractually changed.

Tradeoffs To Know

Sources
  1. synthflow.ai/pricing
  2. docs.synthflow.ai/billing
  3. docs.synthflow.ai/docs/imprint
  4. docs.synthflow.ai/privacy-policy
  5. synthflow.ai/blog/synthflow-raises-7-4m-in-seed-funding-for-its-ai-voice-assistants-for-smes
  6. synthflow.ai/news/synthflow-raises-20m-series-a
  7. docs.synthflow.ai/docs/overview-of-synthflow-interface
  8. docs.synthflow.ai/deploy-your-agent
  9. docs.synthflow.ai/about-integrations
  10. synthflow.ai
  11. docs.synthflow.ai/getting-started-with-your-api
  12. docs.synthflow.ai/security-and-compliance
  13. docs.synthflow.ai/ai-transparency