Shopify webhook verification fails for two reasons more than any other, and both come from habits that work everywhere else. The signature is base64, not the hex string Stripe and GitHub hand you, and Shopify's own quickstart parses the body with express. json() before you get a chance to hash t...
Source: [Dev.to](https://dev.to/eventdock/how-to-verify-shopify-webhook-signatures-and-the-base64-raw-body-trap-6nj)