Authentication failed: The app returned "The authentication you supplied is incorrect".

  • 13 December 2022
  • 2 replies

Hey, when trying to reconnect with Lemlist, I get this after entering the login details, which I know for sure is 100% correct. 


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2 replies

Userlevel 7
Badge +14

Hi @Simon Meier 

Good question.

Try using a new/different private browser to make the Zap app connection.

Userlevel 7
Badge +9

Hey there @Simon Meier! I see you were able to reach my teammates in support and wanted to share their recommendations in case it’s helpful to anyone blocked with something similar. 🙂

I took a look and, to authenticate with API, you can't use your user's login password. 
Instead, please to go to Settings > integration and scroll down to "Zapier" and click on "show" button to see your zapier login password, like this:
(view larger)

Hope this helps!