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Why is it important to include a unique identifier in each webhook payload event?

hard📝 Conceptual Q10 of 15
Rest API - Webhooks and Events
Why is it important to include a unique identifier in each webhook payload event?
ATo encrypt the payload content automatically
BTo increase the payload size for security
CTo allow receivers to detect and ignore duplicate events
DTo ensure the payload is always delivered instantly
Step-by-Step Solution
Solution:

  1. Step 1: Understand webhook delivery behavior

    Webhooks can be retried, causing duplicate events.

  2. Step 2: Role of unique identifiers

    Unique IDs let receivers detect duplicates and avoid processing twice.

  3. Final Answer:

    To allow receivers to detect and ignore duplicate events -> Option C

  4. Quick Check:

    Unique ID prevents duplicate event processing [OK]
Quick Trick: Use unique IDs to handle retries safely [OK]
Common Mistakes:
MISTAKES
  • Thinking unique ID increases security
  • Assuming unique ID encrypts data
  • Believing unique ID guarantees instant delivery

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