Synthflow is an enterprise-ready no-code Voice AI platform for automating phone conversations at scale. The product combines a visual agent designer with in-house telephony, sub-100ms latency, and a 99.99% uptime guarantee, so businesses can build, deploy, and operate voice agents without third-party carriers. Synthflow exposes a REST Platform API for assistants, calls, phone numbers, knowledge bases, and custom actions, with bearer token authentication. The platform claims more than 200 integrations including HubSpot, Salesforce, Cal.com, Zapier, and CCaaS systems, plus custom webhook actions. Compliance covers SOC 2, HIPAA, PCI DSS, and GDPR with end-to-end encryption and audit logging.
APIs.json: https://raw.githubusercontent.com/api-evangelist/synthflow/refs/heads/main/apis.yml
- Type: Index
- Position: Provider
- Access: 3rd-Party
- Voice
- Voice Agents
- No-Code
- Telephony
- Phone
- Outbound
- Inbound
- CRM
- Webhooks
- Custom Actions
- HIPAA
- SOC 2
- Created: 2026-05-23
- Modified: 2026-05-23
The Synthflow Platform API provides REST endpoints to manage assistants, phone numbers, calls, knowledge bases, and custom actions for no-code voice AI agents. Authentication is via bearer tokens and the API is available in multiple regions.
- Human URL: https://docs.synthflow.ai
- Base URL:
https://api.synthflow.ai
- Assistants
- Calls
- Phone Numbers
- Knowledge Bases
- Actions
- REST
- Documentation
- Getting Started
- Sign Up
- API Reference
- Pricing
- Authentication
- Postman Collection — Postman Collection 2.1
- Open Collection — Open Collection 1.0
FN: Kin Lane Email: kin@apievangelist.com