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RestGPT

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Open-source LLM agent that drives real apps through RESTful APIs.

Autonomous AgentsAutomation 1.4kOpen source
View on GitHub
Updated 2026-06-16
RestGPT GitHub repository

What is RestGPT?

RestGPT is an open-source agent that uses LLMs to interpret user goals and execute them by calling RESTful endpoints of real-world applications.

It works by parsing natural-language instructions, mapping them to appropriate API operations, and handling authentication and responses autonomously.

Developers and automation engineers who need reliable, code-free control over multiple web services will find it most useful.

Capabilities

connect llms to restful apis
generate api calling plans
execute and parse api responses
control real-world apps
evaluate with restbench

What you can build with RestGPT

Service Orchestration

Coordinate actions across several SaaS platforms by describing the desired outcome in plain language.

Data Synchronization

Pull or push data between systems that expose REST endpoints without writing custom scripts.

Workflow Automation

Trigger multi-step processes such as user onboarding or report generation through API sequences.

Install RestGPT

Quick start
pip install langchain colorama tiktoken spotipy openai
  1. 1Clone the official RestGPT repository from GitHub.
  2. 2Install Python dependencies listed in requirements.txt.
  3. 3Configure your LLM API key and target service credentials in the provided config file.
  4. 4Run the agent with a sample goal to verify API connectivity.
  5. 5Extend the agent by adding new API schemas for additional services.

Works with

LangChainOpenAI APIPythonSpotify APITMDB API

RestGPT: pros & cons

Pros

  • +Open-source codebase allows full customization and auditing.
  • +Direct REST integration removes the need for brittle browser automation.
  • +Natural-language interface lowers the barrier for non-programmers.
  • +Works with any service that provides a documented REST API.

Cons

  • –Requires valid API keys and correct schema definitions for each service.
  • –LLM errors can lead to incorrect or failed API calls.
  • –Limited built-in error recovery compared with dedicated workflow tools.
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Frequently asked questions

Yes, the project is fully open-source and free under its license.

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