Lindy supports 3,000+ integrations out of the box, but if you have custom APIs you want to call, you can use the HTTP Fetch action.
Add the Fetch action to your Lindy
In your Guidelines, provide the appropriate information about the API you're calling, including authorization information and optional parameters like method, headers, body. If you have any dynamic data you want Lindy to pass, just say so in plain English.
In the example above, I want Lindy to take the user's input and call the Perplexity API for a response.
After hitting Save, you can use your Lindy as usual. Here's an example of the Perplexity API call in action:
Notice the user's query was passed to the Fetch action: