Start by validating payloads in the JSON Validator, then format with JSON Formatter to isolate structure issues.
Unexpected Token in JSON: Root Causes and Fixes
Fix malformed payloads, HTML-as-JSON responses, and parse-at-position failures.
Trailing Comma JSON Error
Resolve comma and bracket syntax issues across APIs and config files.
JSONDecodeError: Expecting value
Debug Python decode failures caused by empty strings, BOM, or invalid quotes.