Mojang API

Notes

All public APIs are rate limited so you are expected to cache the results. This is currently set at 600 per 10 minutes but this may change

Username -> UUID

 https://api.mojang.com/users/profiles/minecraft/<username>

This will return the player's current username and uuid

Response

{
  "id": "7125ba8b1c864508b92bb5c042ccfe2b",
  "name": "KrisJelbring"
}

Username -> UUID at time

 https://api.mojang.com/users/profiles/minecraft/<username>?at=<timestamp>

This will return the player's username that they had at the timestamp provided and their uuid. The timestamp is a unix timestamp

Response

{
  "id": "7125ba8b1c864508b92bb5c042ccfe2b",
  "name": "KrisJelbring"
}

UUID -> All current/previous names

  https://api.mojang.com/user/profiles/<uuid>/names

Returns all the usernames this user has used in the past and the one they are using currently

Response

[
  "KrisJelbring"
]

Players profiles by names

 https://api.mojang.com/profiles/minecraft

Where 'minecraft' - agent name

This will return players profiles.

Payload

We need to send array of profiles nicknames. For example:

[
    "maksimkurb",
    "nonExistsPlayer" //Test for non-exists player
]

Response

[
    {
        "id": "0d252b7218b648bfb86c2ae476954d32",    //Profile uuid
        "name": "maksimkurb",                        //Profile nickname
        "legacy": true,                              //Profile not migrated to mojang.com?  (Only appears, when true)
        "demo": true                                 //Game wasn't bought                   (Only appears, when true)
    }
    // How we can see, this url return only information about real (exists) profiles.
]

Player Public Skin Information

 https://sessionserver.mojang.com/session/minecraft/profile/<uuid>

This will return the player's username plus any additional information about them (e.g. skins). Example: https://sessionserver.mojang.com/session/minecraft/profile/4566e69fc90748ee8d71d7ba5aa00d20

Response

{
    "id":"profile identifier",
    "name":"player name",
    "properties":[ 
	{
	    "name":"dunno",
	    "value":"base64 string",
	    "signature":"base64 string; signed data using Yggdrasil's private key"
	}
    ]
}

"value" base64 string decoded:

{
    "timestamp":"some numbers",
    "profileId":"profile identifier",
    "profileName":"player name",
    "isPublic":"true or false",
    "textures":{
	"SKIN":{
	    "url":"player skin URL"
        }
        "CAPE":{
	    "url":"player cape URL"
        }
    }
}