ChatGPT plugins

ChatGPT plugins are API connectors that extend the model's capabilities, enabling real-time data access and direct interaction with third-party services like Kayak and Zapier.

Plugins transform ChatGPT into a universal interface: they are API-based add-ons connecting the language model to external applications. This integration allows the AI to execute specific, real-world actions, bypassing its training data limitations for up-to-date information and computations. For example, a user can search flights via Kayak or order groceries with Instacart directly from the chat interface. Developers utilize an OpenAPI schema and a manifest file (`ai-plugin.json`) to define the functionality; the model then autonomously determines when to call the API. The Plugin Store offers over 943 verified tools, though only three can be active per chat (requires a ChatGPT Plus subscription).

https://openai.com/blog/chatgpt-plugins