Free API30 req/minWeb & API
CSS Formatter
Normalize braces and indentation in CSS stylesheets.
By RSM DevOps
Public endpoint
GET
cssfmt.apiseeker.com/v1/formatAuth: X-SEEKER-Key
Endpoint
Pass CSS in the css query parameter.
Method
GET
Path
/v1/format
Full URL
https://cssfmt.apiseeker.com/v1/formatAuthentication
Send X-SEEKER-Key on every request. Free tools still require a valid APISeeker key — no auth bypass.
Parameters
cssquerystringrequiredCSS stylesheet text
Request example
cURL
curl -s "https://cssfmt.apiseeker.com/v1/format?css=body%7Bcolor%3Ared%3Bmargin%3A0%7D" \
-H "X-SEEKER-Key: YOUR_API_KEY"Response example
JSON
{
"success": true,
"data": {
"formatted": "body {\n color: red;\n margin: 0;\n}"
},
"request_id": "req_example"
}Errors & limits
- 400Invalid or missing parameters
- 401Missing or invalid API key
- 429Rate limit exceeded
Rate limit: 30 req/min
Playground
Live playground
CSS Formatter
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GETRequest URL
https://cssfmt.apiseeker.com/v1/format?css=body%7Bcolor%3Ared%3Bmargin%3A0%7DStatus: —Latency: —
Response
Response will appear here after you send a request.