request
GET /api/v1/username/{username}
curl https://usernamelookup.com/api/v1/username/harbor.lens?wait=20 \
-H "Authorization: Bearer ul_live_••••••••••••"
response
200 OK · application/json
{
"id": "01k7c2m9q4x8z6r3t5v7w1y2b0",
"username": "harbor.lens",
"status": "done",
"sites_total": 323,
"sites_checked": 323,
"found_count": 23,
"confidence": {
"score": 84,
"reasons": [
{
"signal": "display_name",
"detail": "Same display name \"Harbor Lens\" on 6 profiles.",
"points": 40,
"sites": [
"GitHub",
"Reddit",
"Steam",
"Medium",
"Etsy",
"Twitch"
]
},
{
"signal": "cross_links",
"detail": "3 public links between found profiles.",
"points": 30,
"sites": [
"GitHub",
"Reddit",
"Medium"
]
}
]
},
"sites": [
{
"site": "GitHub",
"slug": "github",
"category": "coding",
"status": "found",
"profile_url": "https://github.com/harbor.lens",
"response_ms": 138,
"first_seen": "2026-08-14T09:12:40+00:00"
},
{
"site": "Twitch",
"slug": "twitch",
"category": "gaming",
"status": "free",
"profile_url": null,
"response_ms": 187,
"first_seen": null
}
],
"poll_url": null
}
Shortened example. A real response lists every site that was checked.