AI21 Labs

AI21 Maestro API

Dynamic planning system that, at inference time, determines the optimal sequence of actions to solve a task. Exposes run creation and retrieval endpoints, supports validated output for strict instruction following, and orchestrates RAG, web search, file libraries, MCP tools, and custom HTTP tools.

AI21 Maestro API is one of 8 APIs that AI21 Labs publishes on the APIs.io network.

Tagged areas include Maestro, Planning, Agents, and Validated Output. The published artifact set on APIs.io includes API documentation.

GitHub

Documentation

📖
Documentation
https://docs.ai21.com/docs/maestro

API entry from apis.yml

apis.yml Raw ↑ 
aid: ai21-labs:maestro
name: AI21 Maestro API
description: Dynamic planning system that, at inference time, determines the optimal sequence of actions
  to solve a task. Exposes run creation and retrieval endpoints, supports validated output for strict
  instruction following, and orchestrates RAG, web search, file libraries, MCP tools, and custom HTTP
  tools.
humanURL: https://docs.ai21.com/docs/maestro
baseURL: https://api.ai21.com/studio/v1
tags:
- Maestro
- Planning
- Agents
- Validated Output
properties:
- type: Documentation
  url: https://docs.ai21.com/docs/maestro