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Engini lets you execute integration tools across hundreds of business applications through one API - and it is built agent-first: every surface (API, SDK, CLI) is designed to be operated by AI agents as well as humans.

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One platform, three ways to call it

Everything runs through the same REST API (https://api.engini.io/v1) with the same API key. The SDKs and the CLI are convenience layers over it - nothing is exclusive to one surface, so pick by how you’re working, not by feature: Mixing is normal: connect an app once with the CLI, then call its tools from the Python SDK - they share the same account state.

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Jump in

Quickstart

Zero to first tool execution in under 10 minutes - on whichever surface you pick.

API Reference

The Engini DeveloperAPI (/v1) - connections, tools, toolsets, applications.

SDKs

engini (Python) and @engini/sdk (TypeScript) - typed errors, auto-pagination, OAuth flows, LLM providers.

CLI

The engini CLI (npm) - machine-first contract with stable exit codes and JSON output.

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Building an AI agent?

Start at For AI Agents - it covers docs discovery (llms.txt, MCP), authentication, the recommended tool-execution loop, and wiring Engini tools into OpenAI or Anthropic tool-calling.