1 / 5
What is a 'webhook'?
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A webhook is a user-defined HTTP callback fired by the provider when a subscribed event happens.
2 / 5
The docs say to 'verify the webhook signature'. Why?
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Verifying the HMAC signature proves the payload is authentic and untampered, not a spoofed request.
3 / 5
A provider 'retries failed deliveries with exponential backoff'. What does that mean?
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Exponential backoff increases the wait time between retry attempts to avoid hammering a struggling endpoint.
4 / 5
Why should a webhook consumer be 'idempotent'?
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Because retries can deliver duplicates, idempotent handling ensures the same event isn't applied twice.
5 / 5
Which sentence correctly uses 'event payload'?
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The payload is the body of the webhook request carrying the event data.