I’m having trouble with an automated workflow between my email platform and membership software. I configured an automation that should add new email subscribers from AWeber directly into my Digital Access Pass (DAP) membership system.
Following the membership software documentation, I implemented a webhook using Zapier’s POST functionality. However, the integration isn’t functioning as expected. The webhook appears to send successfully according to Zapier’s activity logs, showing green checkmarks and success status.
The problem is that DAP isn’t receiving any data. Their support team confirmed that their system logs show no incoming webhook calls. Interestingly, when they manually enter the same webhook URL directly in a browser, the data appears correctly in their logs and the process works fine.
This suggests the webhook URL itself is valid, but something about how Zapier sends the request isn’t reaching the membership platform. Has anyone experienced similar issues with webhook delivery where the sending platform reports success but the receiving system gets nothing?
I encountered something very similar when integrating my CRM with a payment processor through Zapier. The logs showed successful delivery on Zapier’s end, but nothing reached the destination system. After hours of troubleshooting, I discovered the issue was with the request headers. Many membership platforms require specific Content-Type headers or authentication tokens that aren’t automatically included in standard Zapier webhook actions. In my case, the receiving system was silently rejecting requests without proper headers, which explains why manual browser testing worked but automated requests failed. Try checking if DAP requires specific headers like Content-Type application/json or any API keys in the request headers. You might need to switch from Zapier’s basic webhook action to their Code by Zapier feature to have full control over the HTTP request format.
This sounds like a firewall or IP whitelisting issue on DAP’s side. When you test manually through a browser, you’re sending the request from your personal IP address, but Zapier sends webhooks from their server IPs which might be getting blocked. I had this exact problem with another membership platform where their security settings were rejecting automated requests from unknown IP ranges. Contact DAP support again and ask if they have IP whitelisting enabled or any firewall rules that might block Zapier’s servers. They should be able to provide you with a list of IP addresses to whitelist. Also worth checking if DAP has any rate limiting that could be silently dropping requests. The fact that manual testing works but automated delivery fails is a classic sign of IP-based restrictions rather than payload formatting issues.
check if zapier is sending the data in the correct format that DAP expects. sometimes the payload structure matters alot - like if DAP wants form-encoded data but zapier sends json. also try adding a delay step before the webhook in your zap, helped me with similiar issue where timing was causing problems.