Home
Developer documentation
Platform overview

How Syllable works

Syllable connects customers to AI agents through voice, chat, SIP, and APIs. Prompts define behavior, tools take action, and insights help teams improve every conversation.

The agent system

A conversation moves through a small set of connected building blocks.

Choose how you build

Both paths use the same platform objects and can work together.

Console

Build, configure, test, and operate agents visually.

Best for
Rapid iteration and operations teams

SDK & API

Automate configuration and integrate Syllable into your product.

Best for
Engineering workflows and repeatable deployments

Core concepts

These are the objects you will use most often.

Test conversations with full context

The Console pairs a live test conversation with the tool calls and state changes behind it.

Syllable Console showing a test conversation and agent debug information

Build your first agent

Go from an idea to a test conversation in five steps.

  1. 1

    Create a prompt

    Define the agent’s behavior and select a model.

    Create the behavior →
  2. 2

    Add tools and data

    Give the agent trusted context and actions it can perform.

    Connect capabilities →
  3. 3

    Create the agent

    Bring together its prompt, message, voice, and runtime settings.

    Configure the agent →
  4. 4

    Connect and test

    Attach a channel and run a real conversation.

    Choose a channel →
  5. 5

    Review and improve

    Use sessions, insights, and labels to refine production behavior.

    Review sessions →

Next steps

Choose the path that matches what you want to do next.