A webhook payload is sent as: {"event":"payment_received","data":{"amount":100,"currency":"USD"}} but the receiver code throws a syntax error. What is the most likely cause?

medium📝 Debug Q6 of 15

Rest API - Webhooks and Events

AThe payload is missing quotes around keys

BThe payload is not valid JSON due to trailing commas

CThe payload uses single quotes instead of double quotes

DThe payload keys are in the wrong order

Step-by-Step Solution

Solution:

Step 1: Check JSON syntax rules
JSON does not allow trailing commas after last item.
Step 2: Identify common syntax errors
Trailing commas cause syntax errors; quotes and order are less strict.
Final Answer:
The payload is not valid JSON due to trailing commas -> Option B
Quick Check:
Trailing commas cause JSON syntax errors [OK]

Quick Trick: No trailing commas allowed in JSON objects [OK]

Common Mistakes:

MISTAKES

Using single quotes instead of double quotes
Assuming key order matters in JSON
Missing quotes around keys (less common in JSON)

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A webhook payload is sent as: {"event":"payment_received","data":{"amount":100,"currency":"USD"}} but the receiver code throws a syntax error. What is the most likely cause?

Step 1: Check JSON syntax rules

Step 2: Identify common syntax errors

Final Answer:

Quick Check:

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