curl -A "<USER_AGENT>" https://i.instagram.com/api/v1/users/<USER_ID>/info/
{
"user": {
"username": "<OWNER_USERNAME>",
"pk": <OWNER_PK>,
"profile_pic_url": "<OWNER_PIC_URL>"
},
"status": "ok"
}
{ "message": "useragent mismatch", "status": "fail" }