Authenticate your QuestionPro account by including your secret key in API requests. You can manage your API keys from your QuestionPro account.
Read: How to generate API Key?

In order to authenticate you can use the standard apiKey parameter. It has to be passed as a query string parameter.

Example Request{{survey-id}}?apiKey={{apiKey}}

Note: Please do not share your secret API keys in publicly accessible areas such GitHub, client-side code, and so forth.