How much does Synthflow cost?
- Free plan
- Not stated
- Enterprise
- Contact sales
Watch out for
- Extra usage is billed. Excess usage beyond monthly usage limits is charged at the fees in the Subscription Plan; limits do not roll over
How you buy and get started
- Sign up
- Not stated
- Setup
- Implementation, onboarding, testing, training and launch support included in enterprise scope "Implementation, onboarding, testing, training, launch support, and ongoing optimization"
- When sales steps in
- Enterprise contracts start at $30,000 annually "Enterprise contracts start at $30,000 annually."
- Support
- Enterprise SLA and support terms scoped in contract "Enterprise SLA and support terms scoped in contract."
What Synthflow does
Synthflow lets companies build, test and deploy AI voice agents (and chat agents) that handle inbound and outbound calls, book appointments, route calls and send SMS follow-ups. The pricing page shows only an enterprise plan starting at $30,000 per year, sold through sales.
- Good for
- Mid-size and large teams, call centers/BPOs, and industries like healthcare, retail, financial services and real estate that want to automate high volumes of phone calls.
- Channels
- Voice (inbound and outbound), SMS, Chat, WhatsApp Business calls
- Main product
- Synthflow Voice AI platform (AI voice agents with Flow Designer, Test Center, in-house telephony)
- Also includes
- Visual Flow Designer for building agents, Test Center with simulated calls, Auto-QA and real-time monitoring, In-house telephony with SIP trunking support, CRM, calendar and contact-center integrations, Multilingual agents (30+ languages)
- Connects to
- Cal.com, GoHighLevel, HubSpot, Salesforce, Zapier, Cisco, Avaya, Genesys, RingCentral, Freshcaller, Freshdesk, Freshservice
- Public API
- Yes
- MCP server
- Not stated
- Answers calls with AI
Synthflow agents answer every call instantly — no hold queues, no missed calls.
- Books appointments
They can book appointments, update CRM records, send confirmations, or transfer urgent calls — all in one flow
- Transfers to a person
They can book appointments, update CRM records, send confirmations, or transfer urgent calls — all in one flow
- Texts callers
handling contextual routing, appointment booking, voicemail detection, and SMS follow-ups out of the box.
- Connects to your tools
Synthflow connects to the systems your teams already use—CRMs, CCaaS platforms, calendars, and data tools
- Other languages
With 30+ languages and multilingual voice cloning, you can support customers across regions without duplicatin
- Takes messagesNot stated
- Answers 24/7
Synthflow agents answer every call instantly — no hold queues, no missed calls.
The same 8 checks appear on every tool in AI receptionists. Each tick quotes the vendor's own site.
Security and your data
| Question | Their answer | Where it says so |
|---|---|---|
| Trains AI on your data? | Not stated | |
| HIPAA (signs a BAA) | available | "Synthflow’s infrastructure is certified across SOC 2, HIPAA, PCI DSS, and GDPR"home |
| SOC 2 | yes | "Synthflow’s infrastructure is certified across SOC 2, HIPAA, PCI DSS, and GDPR"home |
| GDPR | yes | "Synthflow’s infrastructure is certified across SOC 2, HIPAA, PCI DSS, and GDPR"home |
| CCPA | Not stated | |
| PCI | yes | "Synthflow’s infrastructure is certified across SOC 2, HIPAA, PCI DSS, and GDPR"home |
| ISO 27001 | yes | "Synthflow is fully compliant with SOC 2, HIPAA, GDPR, and ISO 27001"enterprise |
| Single sign-on | Not stated | |
| Trust center | security.synthflow.ai | "Security"pricing |
Security answers are the vendor's own claims, quoted. We don't audit them.
Every plan
| Plan | Monthly | Billed yearly | Included | Over the allowance | Where it says so |
|---|---|---|---|---|---|
| Enterprise/year | Quote | $2,500per month | – | – | "Enterprise contracts start at $30,000 annually. Final pricing is scoped around call volume" |
Synthflow price history
No price changes on Synthflow's pricing page since 2024Q4, across 7 archived reads.
Changed how it charges in 2026Q3: from flat tiers to quote only.
From archived copies of the pricing page in the Internet Archive, one per quarter, in USD.
Fine print
- Billing increment
- Not stated
- Billed beyond usage
- Excess usage beyond monthly usage limits is charged at the fees in the Subscription Plan; limits do not roll over "These Usage Limits are defined per month and do not roll over to the next month. Any excess usage by the User is subject to the fees specified in the Subscription Plan."
- Contract
- Annual commitment for enterprise plan "Enterprise contracts start at $30,000 annually."
- Refunds
- Not stated
- Auto renew
- Not stated
- Price change notice
- Not stated
"Not stated" means we read their pricing page and terms and they don't say.
About the company
- Legal name
- AgentFlow AI GmbH
- Address
- Kurfürstendamm 15, 10719 Berlin
- Online since
- Jul 21, 2023 Domain registration date
- Founder
- Hakob Astabatsyan, Co-founder & Chief Executive Officer
- Founder
- Albert Astabatsyan, Co-founder & Chief Product Officer
- Founder
- Sassun Mirzakhan-Saky, Co-founder & Chief Technology Officer
- Funding
- 2023: pre-seed led by Atlantic Labs "Company founded in Berlin, Germany & pre-seed round led by Atlantic Labs"
- Funding
- 2024: seed led by Singular VC "Seed round led by Singular VC"
- Funding
- 2025: $20 million Series A led by Accel "$20 million Series A funding round led by Accel & Launch of the BELL Agent Development Framework"
- Customers
- "65M+ customer calls powered" their claim
- Backing
- "$30M total funding raised" their words
Synthflow alternatives
Allo$5 /mochecked Oct 29, 2026
Dialzara$19 /mochecked Oct 29, 2026
Retell AI$0.07 /minutechecked Oct 29, 2026
CloudTalk€25 /mochecked Oct 29, 2026
JustCall$29 /mochecked Oct 29, 2026
Ringly$49 /mochecked Oct 29, 2026
CallRail Voice Assist$50 /mochecked Oct 29, 2026Reviews elsewhere
We link to reviews instead of copying ratings: those sites don't allow reuse, and we don't test products ourselves.
Questions
Is Synthflow free?
No free plan is stated on Synthflow's pricing page.
Is Synthflow HIPAA compliant?
Synthflow says a HIPAA BAA is available.
