Quick answer
JSON Leading Zero – causes and fixes.
JSON Leading Zero
JSON Leading Zero – causes and fixes. Use a JSON validator to locate the error.
Common causes
- 07 or 01.
How to fix
- Use 7 not 07.
Use our JSON Validator to paste your input and see the exact error location. Validatethis.org offers free validators for JSON, XML, CSV, HTML, and more. Check /tools for the full list. For API access and integration, see /developers.
FAQ
- 07 valid?
- No.
- 0.5 valid?
- Yes.
Fix it now
Try in validator (prefill this example)