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APISeeker
Free API30 req/minWeb & API

HTML Formatter

Indent HTML tags for readability in debugging and content workflows.

By RSM DevOps

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Public endpoint

GEThtmlfmt.apiseeker.com
/v1/format

Auth: X-SEEKER-Key

Endpoint

Best-effort indentation; not a full HTML5 parser.

Method

GET

Path

/v1/format

Full URL

https://htmlfmt.apiseeker.com/v1/format

Authentication

Send X-SEEKER-Key on every request. Free tools still require a valid APISeeker key — no auth bypass.

Parameters

  • htmlquerystringrequired

    HTML fragment or document

Request example

cURL
curl -s "https://htmlfmt.apiseeker.com/v1/format?html=%3Cdiv%3E%3Cp%3EHi%3C%2Fp%3E%3C%2Fdiv%3E" \
  -H "X-SEEKER-Key: YOUR_API_KEY"

Response example

JSON
{
  "success": true,
  "data": {
    "formatted": "<div>\n  <p>Hi</p>\n</div>"
  },
  "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

HTML Formatter

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GETRequest URL
https://htmlfmt.apiseeker.com/v1/format?html=%3Cdiv%3E%3Cp%3EHi%3C%2Fp%3E%3C%2Fdiv%3E
Log in to test endpoint
Status: —Latency: —

Response

Response will appear here after you send a request.
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