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Webhook Sentinel (Stripe)

Published June 2026
   •    Updated today

Plugin details

Webhook Sentinel (Stripe) is the webhook security layer Bubble was always missing. It verifies the authenticity of incoming Stripe webhook requests using cryptographic signature verification, ensuring that only legitimate, unmodified events from Stripe are processed by your workflows.


Key Features

Stripe - Verify Webhook Signature
✅ Cryptographic HMAC-SHA256 signature verification (the same method used by Stripe's official SDKs)
✅ Timestamp freshness check to prevent replay attacks
✅ Configurable tolerance window with a safe minimum floor
✅ Structured rejection reasons for every failure path: missing_inputs, malformed_header, signature_mismatch, timestamp_expired
✅ Returns is valid (yes/no) whether the event passed all verification checks and can be trusted
✅ Returns reject reason (text) when invalid for every failure path: missing_inputs, malformed_header, signature_mismatch, timestamp_expired, helping with internal logging and conditional workflow logic.
✅ Verify only. The action never stores data, creates records, or produces side effects

*The Demo Preview includes the full documentation and examples to help you get set up correctly.



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$18

One time  •  Or  $6/mo

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Platform

Web & Native mobile

Contributor details

Galde C. Silvestre logo
Galde C. Silvestre
Joined 2021   •   12 Plugins
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Instructions

All action fields have a detailed description within the plugin editor itself. But in short, follow the steps below and check the documentation for more information.

1️⃣ 𝗔𝗱𝗱 𝘁𝗵𝗲 𝗮𝗰𝘁𝗶𝗼𝗻 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗪𝗼𝗿𝗸𝗳𝗹𝗼𝘄
Place the Stripe - Verify Webhook Signature action as the first step of your webhook workflow.

2️⃣ 𝗖𝗼𝗻𝗳𝗶𝗴𝘂𝗿𝗲 𝘁𝗵𝗲 𝗶𝗻𝗽𝘂𝘁𝘀
Pass the webhook signing secret, the full Stripe-Signature header, and the raw body text exactly as received. Do not modify any of these values before passing them to the action.

3️⃣ 𝗛𝗮𝗻𝗱𝗹𝗲 𝘁𝗵𝗲 𝗿𝗲𝘀𝘂𝗹𝘁
Check the value from the is valid. If false, terminate the workflow immediately. Use rejection reason to log or route the failure. If true, continue with your event processing logic.

4️⃣ 𝗔𝗱𝗱 𝗮𝗱𝗱𝗶𝘁𝗶𝗼𝗻𝗮𝗹 𝘀𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗹𝗮𝘆𝗲𝗿𝘀 (𝗼𝗽𝘁𝗶𝗼𝗻𝗮𝗹)
Signature verification is the most critical security layer, but you can build on top of it. If you want, consider adding event idempotency, environment isolation, or minimum data validation to further protect your workflows.

Types

This plugin can be found under the following types:

Categories

This plugin can be found under the following categories:
Technical   •   Payment   •   Ecommerce   •   Small Business   •   Compliance

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