Does Webflow have a built-in way to access external services via REST API, including those requiring authentication like Google, Facebook, and MailChimp?

Yes, Webflow provides a built-in way to access external services via REST API, including popular services like Google, Facebook, and MailChimp. This is done through the use of third-party integrations called "API Collections."

API Collections in Webflow allow you to connect and interact with external services using RESTful API endpoints. These collections come pre-built with common API methods and can be easily customized to suit your specific needs.

To use API Collections in Webflow, you would start by creating a new project or selecting an existing one. Once you're in the project, you can navigate to the Integrations tab, where you'll find a list of available API Collections.

For example, if you want to connect to the Google Sheets API to fetch data from a spreadsheet, you can select the "Google Sheets" API Collection. Webflow will automatically generate a set of API methods such as GET, POST, PUT, and DELETE for you to work with. You can then customize these methods to specify the endpoints and parameters required by the Google Sheets API.

Similarly, if you want to integrate with Facebook or MailChimp, you can select their respective API Collections and follow the provided documentation to configure authentication, specify endpoints, and handle responses.

It's worth noting that some external services may require additional authentication steps, such as generating API keys or configuring OAuth tokens. Webflow provides comprehensive documentation and resources to guide you through the process of setting up these integrations.

Overall, Webflow's API Collections make it relatively straightforward to access external services via REST APIs, including those that require authentication. Whether you're working with Google, Facebook, MailChimp, or many other popular services, Webflow provides a convenient way to streamline the integration process and leverage the capabilities of these platforms within your Webflow projects.