CodeNeat

URL Encoder for API Requests

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REST API parameters with special characters need encoding to prevent 400 errors.

Example

filter=status:active AND created>2026-01-01&search=user@example.com
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Tips

  1. 1Encode each value separately.
  2. 2Check if API expects + or %20.
  3. 3Test with curl -v.

Frequently Asked Questions

Encode API keys?

If special chars, yes. But prefer headers.

400 errors?

Unencoded & and = break the parser.

JSON bodies?

No URL encoding needed.