Sysevo Voice AI

API Platform

Build, deploy, and scale conversational AI phone agents. Trigger calls, manage campaigns, and control every platform resource via REST or MCP.

AuthenticationTrigger a callMCP ServerCampaignsError handlingRate limits
Developer quickstart

Make your first voice call in minutes

Trigger an AI voice agent call to any phone number with a single HTTP request. Get your API key and you’re live in under 60 seconds.

80+
Endpoints
14
MCP tools
<1s
Response
POST /public/agent/{uuid}
bash
curl -X POST https://api.sysevo.io/api/v1/public/agent/{uuid} \
  -H "Content-Type: application/json" \
  -H "X-API-Key: sk_live_YOUR_KEY" \
  -d '{
    "phone_number": "+14155552671",
    "initial_context": {
      "customer_name": "Jane Smith",
      "appointment_date": "March 15"
    }
  }'
Response
json
{
  "status": "initiated",
  "workflow_run_id": 8421,
  "workflow_run_name": "WR-API-3847"
}

Connect Sysevo to your AI editor with MCP

The Sysevo MCP Server gives Claude Code, Cursor, and any MCP-compatible editor 14 native tools — build agents, trigger calls, and manage campaigns without leaving your IDE.

Install MCP Server

Build paths

Choose the right integration surface for your use case

80+ endpoints

REST API

Full programmatic access to every platform resource — agents, calls, campaigns, transcripts, and analytics. 80+ endpoints.

Start with REST API
14 tools

MCP Server

Connect Claude Code, Cursor, or any AI editor to Sysevo. 14 native tools — build and deploy agents from your IDE without leaving it.

Start with MCP
Outbound calls

Public Agent API

Trigger outbound AI voice calls from any backend, CRM, or automation platform. Pass dynamic context variables for personalised conversations.

Start with Agent API
Bulk calling

Campaigns API

Scale to thousands of simultaneous calls. Create, launch, pause, and monitor bulk outbound campaigns — from CSV upload to live analytics.

Start with Campaigns

Explore by product

Guides for every part of the Sysevo platform

Voice Agents
Design AI voice agents visually
Phone Numbers
Quick Connect & telephony setup
Client CRM
Leads, pipeline & appointments
Campaigns
Outbound calling at scale

All documentation

Browse the full reference

Getting Started
Sign up and launch your first agent
Voice Agents
Create, tune, and deploy agents
Workflows
The visual Agent Builder
Campaigns
Outbound calling at scale
Knowledge Base
Documents your agent references
Analytics
The metrics dashboard explained
Phone Numbers
Quick Connect & telephony
Conversations
Transcripts, recordings & outcomes
API Reference
REST API & developer docs