Skip to main content
The Username Footprint API checks whether a given username is registered across social media, gaming, and community platforms. It returns a summary and a per-platform breakdown including secondary metadata like profile IDs or account status where available.

​
Lookup Username

GET https://www.osintcat.net/api/user-footprint
​
query
string
required
The username to scan (e.g., johndoe)
​
X-API-KEY
string
required
Your API key
Response Body
​
username
string
The username that was checked.
​
stats
object
​
results
array
List of platform results.
curl "https://www.osintcat.net/api/user-footprint?query=johndoe" \
     -H "X-API-KEY: YOUR_API_KEY"
Example Response 
{
  "username": "johndoe",
  "stats": {
    "total_checked": 112,
    "registered_count": 34,
    "not_registered_count": 78
  },
  "results": [
    {
      "domain": "github.com",
      "taken": true,
      "type": "API",
      "time_taken": "0.9s",
      "ExtraData": {
        "ProfileURL": "https://github.com/johndoe",
        "PublicRepos": 17
      }
    },
    {
      "domain": "reddit.com",
      "taken": false,
      "type": "REGISTER",
      "time_taken": "1.1s",
      "ExtraData": {}
    }
  ]
}