Which approach is recommended to quickly start building a custom connector using an OpenAPI definition file?

The recommended approach to quickly start building a custom connector using an OpenAPI definition file is to import that file directly to begin configuration. Importing the OpenAPI definition streamlines the process because it allows you to automatically populate the actions, triggers, and data structures defined in the API specification. This significantly reduces the amount of manual work required to set up the connector, as it leverages the standard format of the OpenAPI definition to create a framework for the connector.

By using an OpenAPI definition, you ensure that the essential details such as endpoint URLs, request parameters, and response formats are already defined, which can then be fine-tuned according to specific use cases. This efficiency is particularly beneficial for developers who need to establish connections to APIs quickly and with accuracy, thereby accelerating the integration process and enhancing productivity.

In contrast, other approaches would require more manual input and effort, such as creating a Postman collection or manually adding actions, which can lead to potential errors and is generally more time-consuming.