The Adalo API is available on paid Adalo plans.
Developer documentation for the Adalo API is available here:
To access your Adalo API key: 1) Left Nav of the editor click on the settings gear 2) Expand App Access 3) Click Generate API Key
You can also find your API key by click on the 3 dots next to any of your collection names and selecting <> API Documents. You will see your secret key in the cURL at the end after Bearer
All requests to the Adalo API will need to contain the following two headers:
Authorization: Bearer [Your App's API Key]Content-Type: application/json