# Synthflow

**Canonical:** https://apis.io/providers/synthflow/  
**Website:** https://synthflow.ai  
**APIs profiled:** 8

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.

## Kin Score — 62.2 / 100 (strong)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 62.2).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 64.9 |
| Governance | 30.3 |
| Contract Governance | 30.3 |
| Operational Transparency | 68.4 |
| Developer Ergonomics | 71.4 |
| Commercial Clarity | 55.3 |
| Access Clarity | 55.3 |

## Agent readiness — 49.4 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | yes |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Enterprise · Contact sales — onboarding: unknown, pricing: enterprise, trial: no (confidence: high).

## APIs (8)

- **Synthflow Platform API** — 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...
- **Synthflow Default API** — The Default API from Synthflow — 49 operation(s) for default.
- **Synthflow subpackage_chat API** — The subpackage_chat API from Synthflow — 4 operation(s) for subpackage_chat.
- **Synthflow subpackage_contacts API** — The subpackage_contacts API from Synthflow — 2 operation(s) for subpackage_contacts.
- **Synthflow subpackage_mcp API** — The subpackage_mcp API from Synthflow — 3 operation(s) for subpackage_mcp.
- **Synthflow subpackage_memoryStores API** — The subpackage_memoryStores API from Synthflow — 1 operation(s) for subpackage_memorystores.
- **Synthflow subpackage_phoneNumbers API** — The subpackage_phoneNumbers API from Synthflow — 3 operation(s) for subpackage_phonenumbers.
- **Synthflow subpackage_webhookLogs API** — The subpackage_webhookLogs API from Synthflow — 2 operation(s) for subpackage_webhooklogs.

## MCP servers (2)

- **Synthflow MCP Server**
- **Synthflow MCP Server** — Synthflow publishes a first-party hosted MCP server that lets an MCP client (Claude, Claude Code, ChatGPT, Codex, Cursor) manage a Synthflow workspace — agents, calls, actions, ...

## Agentic access (1)

- **Synthflow Agentic Access** — 98 operations · 61 acting

## Security (3)

- **Synthflow Authentication** — http/oauth2 · 3 schemes
- **Synthflow Domain Security** — TLSv1.3 · HSTS · DMARC
- **Synthflow Trust Center** — ISO 27001:2022, SOC 2, GDPR, HIPAA, PCI DSS v4.0.1

## Plans (1)

- **Synthflow Plans Pricing**

## Tags

Voice, Voice Agents, No-Code, Telephony, Phone, Outbound, Inbound, CRM, Webhook, Custom Actions, HIPAA, SOC 2, MCP, Agent Skills, Conversational AI, SIP, Simulations, Knowledge Base

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/synthflow/). Scores are computed from the provider's own public artifacts under a published rubric.