This workflow handles the incoming call from Twitter and sends the required response for verification.
On registering the webhook with the Twitter Account Activity API, Twitter expects a signature in response. Twitter also randomly ping the webhook to ensure it is active and secure.
Webhook node: Use the displayed URL to register with the Account Activity API.
Crypto node: In the Secret field, enter your API Key Secret from Twitter.
Set node: This node generates the response expected by the Twitter API.
Learn more about connecting n8n with Twitter in the Getting Started with Twitter Webhook article.