Home
Developer documentation
Syllable developer platform

Build AI agents for real conversations

Design, deploy, and improve voice and chat agents with the Syllable Console, SDK, and API.

from syllable_sdk import SyllableSDK

sdk = SyllableSDK(api_key_header="your_api_key")
agents = sdk.agents.list()

print(agents)
Start here

Choose how you build

Use the visual Console, automate with code, or move between both as your workflow grows.

Test before you ship

See every conversation and tool call

Test an agent, inspect its decisions, and debug tool activity without leaving the Console.

Syllable Console showing an agent test conversation and tool-call debug panel
Developer journey

From idea to production

Follow the lifecycle or jump directly to the task you need.

  1. 1

    Design

    Prompts, voices, messages, and tools.

    Create the behavior →
  2. 2

    Connect

    Phone, web chat, SIP, and APIs.

    Choose a channel →
  3. 3

    Test

    Conversations, tool calls, and debugging.

    Test an agent →
  4. 4

    Operate

    Sessions, insights, labels, and monitoring.

    Improve production →
Platform

Core building blocks

Understand the pieces that make up every Syllable agent.

Quickstarts

Start with a working agent

Learn the platform through a complete, outcome-oriented tutorial.