Mojang API

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Notes

  • All public APIs are rate limited so you are expected to cache the results. This is currently set at 600 requests per 10 minutes but this may change.
  • For some parts of the API, demo accounts are sometimes included, sometimes not. Mojang keeps changing this.

API Status

 GET https://status.mojang.com/check

Returns status of various Mojang services. Possible values are green (no issues), yellow (some issues), red (service unavailable).

Response

[
  {
    "minecraft.net": "yellow"
  },
  {
    "session.minecraft.net": "green"
  },
  {
    "account.mojang.com": "green"
  },
  {
    "auth.mojang.com": "green"
  },
  {
    "skins.minecraft.net": "green"
  },
  {
    "authserver.mojang.com": "green"
  },
  {
    "sessionserver.mojang.com": "yellow"
  },
  {
    "api.mojang.com": "green"
  },
  {
    "textures.minecraft.net": "red"
  },
  {
    "mojang.com": "green"
  }
]

Username -> UUID at time

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

This will return the uuid of the name at the timestamp provided.

?at=0 can be used to get the UUID of the original user of that username, however it only works if the name was changed at least once, or if the account is legacy.

  • The timestamp is a UNIX timestamp (without milliseconds)
  • When the at parameter is not sent, the current time is used

Response

{
  "id": "7125ba8b1c864508b92bb5c042ccfe2b",
  "name": "KrisJelbring"
}
  • name is the current name of that uuid, it is not the name requested!
  • legacy only appears when true (not migrated to mojang account)
  • demo only appears when true (account unpaid)

If there is no player with the given username an HTTP status code 204 (No Content) is sent without any HTTP body.
If the timestamp is not a number, too big or too small the HTTP status code 400 (Bad Request) is sent with an error message looking like this:

{
  "error": "IllegalArgumentException",
  "errorMessage": "Invalid timestamp."
}

UUID -> Name history

  GET 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. The UUID must be given without hyphens.

Response

[
  {
    "name": "Gold"
  },
  {
    "name": "Diamond",
    "changedToAt": 1414059749000
  }
]

The changedToAt field is a Java timestamp in milliseconds.

Playernames -> UUIDs

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

This will return player UUIDS and some extras.

Payload

[
    "maksimkurb",
    "nonExistingPlayer" //Test for non-existing player
]

Response

[
    {
        "id": "0d252b7218b648bfb86c2ae476954d32",
        "name": "maksimkurb",
        "legacy": true,
        "demo": true
    }
]
  • name is case-corrected
  • legacy only appears when true (profile not migrated to mojang.com)
  • demo only appears when true (account unpaid)
  • IllegalArgumentException is returned when any of the usernames is null or ""
  • The Content-Type HTTP header must be application/json
  • You cannot request more than 100 names per request

UUID -> Profile + Skin/Cape

 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

This has a much stricter rate limit: You can request the same profile once per minute, however you can send as many unique requests as you like.

Response

{
    "id": "<profile identifier>",
    "name": "<player name>",
    "properties": [ 
        {
            "name": "textures",
            "value": "<base64 string>",
            "signature": "<base64 string; signed data using Yggdrasil's private key>" // Only provided if ?unsigned=false is appended to url
        }
    ]
}

The "value" base64 string for the "textures" object decoded:

{
    "timestamp": <java time in ms>,
    "profileId": "<profile uuid>",
    "profileName": "<player name>",
    "signatureRequired": true, // Only present if ?unsigned=false is appended to url
    "textures": {
        "SKIN": {
            "url": "<player skin URL>"
        },
        "CAPE": {
            "url": "<player cape URL>"
        }
    }
}
  • The timestamp is sometimes in the past (probably due to cached results?)
  • The "SKIN" object will have "metadata": {"model": "slim"} if the player model has slim arms (“Alex?” style). For square arms (“Steve?” style), "metadata" will be missing.
  • If no custom skin has been set, "SKIN" will be missing.
    Whether the player has the “Alex?” or “Steve?” skin depends on the Java hashCode of their UUID. Steve is used for even hashes. Example implementations:
  • Likewise "CAPE" will be missing if the account has no cape.

Change Skin

POST https://api.mojang.com/user/profile/<uuid>/skin

This will set the skin for the selected profile, but Mojang's servers will fetch the skin from a URL. This will also work for legacy accounts.

Response

Upon error the server will send back a JSON with the error. (Success is a blank payload)

Headers

Authorization: Bearer <access token>

Payload

The payload for this API consists of two url-encoded form fields (conjoined by '&').

model=<""/"slim">&url=<skin url>

model is an empty string for the default model and "slim" for the slim model

Example

curl -H "Authorization: Bearer <access token>" --data-urlencode "model=" --data-urlencode "url=http://assets.mojang.com/SkinTemplates/steve.png" https://api.mojang.com/user/profile/<uuid>/skin
POST /user/profile/<uuid>/skin HTTP/1.1
Host: api.mojang.com
User-Agent: curl/7.49.0
Accept: */*
Authorization: Bearer <access token>
Content-Length: 69
Content-Type: application/x-www-form-urlencoded

model=&url=http%3A%2F%2Fassets.mojang.com%2FSkinTemplates%2Fsteve.png

Upload Skin

PUT https://api.mojang.com/user/profile/<uuid>/skin

This uploads a skin to Mojang's servers. It also sets the users skin. This works on legacy counts as well.

Response

No response unless error

Headers

Authorization: Bearer <access token>

Payload

The payload for this API consists of multipart form data. There are two parts (order does not matter b/c of boundary):

model Empty string for the default model and "slim" for the slim model
file Raw image file data

Example

curl -X PUT -H "Authorization: Bearer <access token>" -F model=alex -F file="@alex.png;type=image/png" https://api.mojang.com/user/profile/<uuid>/skin
PUT /user/profile/<uuid>/skin HTTP/1.1
Host: api.mojang.com
User-Agent: curl/7.49.0
Accept: */*
Authorization: Bearer <access token>
Content-Length: <length>
Content-Type: multipart/form-data; boundary=<boundary>

--<boundary>
Content-Disposition: form-data; name="model"

slim
--<boundary>
Content-Disposition: form-data; name="file"; filename="alex.png"
Content-Type: image/png

<image data>
--<boundary>--

Reset Skin

DELETE https://api.mojang.com/user/profile/<uuid>/skin

Resets the users skin to the default one.

Response

No response unless error

Headers

Authorization: Bearer <access token>

Example

curl -X DELETE -H "Authorization: Bearer <access token>" https://api.mojang.com/user/profile/<uuid>/skin
DELETE /user/profile/<uuid>/skin HTTP/1.1
Host: api.mojang.com
User-Agent: curl/7.46.0
Accept: */*
Authorization: Bearer <access token>

Blocked Servers

  GET https://sessionserver.mojang.com/blockedservers

Returns a list of SHA1 hashes used to check server addresses against when the client tries to connect.

Clients check the lowercase name, using the ISO-8859-1 charset, against this list. They will also attempt to check subdomains, replacing each level with a *. Specifically, it splits based off of the . in the domain, goes through each section removing one at a time. For instance, for mc.example.com, it would try mc.example.com, *.example.com, and *.com. With IP addresses (verified by having 4 split sections, with each section being a valid integer between 0 and 255, inclusive) substitution starts from the end, so for 192.168.0.1, it would try 192.168.0.1, 192.168.0.*, 192.168.*, and 192.*.

This check is done by the bootstrap class in netty. The default netty class is overridden by one in the com.mojang:netty dependency loaded by the launcher. This allows it to affect any version that used netty (1.7+)

Response

A line separated list of all SHA1 hashes.

Some of the current ~1100 hashes have been cracked.

6f2520f8bd70a718c568ab5274c56bdbbfc14ef4:*.minetime.com
7ea72de5f8e70a2ac45f1aa17d43f0ca3cddeedd:*.trollingbrandon.club
c005ad34245a8f2105658da2d6d6e8545ef0f0de:*.skygod.us
c645d6c6430db3069abd291ec13afebdb320714b:*.mineaqua.es
8bf58811e6ebca16a01b842ff0c012db1171d7d6:*.eulablows.host
8789800277882d1989d384e7941b6ad3dadab430:*.moredotsmoredots.xyz
e40c3456fb05687b8eeb17213a47b263d566f179:*.brandonlovescock.bid
278b24ffff7f9f46cf71212a4c0948d07fb3bc35:*.brandonlovescock.club
c78697e385bfa58d6bd2a013f543cdfbdc297c4f:*.mineaqua.net
b13009db1e2fbe05465716f67c8d58b9c0503520:*.endercraft.com
3e560742576af9413fca72e70f75d7ddc9416020:*.insanefactions.org
986204c70d368d50ffead9031e86f2b9e70bb6d0:*.playmc.mx
65ca8860fa8141da805106c0389de9d7c17e39bf:*.howdoiblacklistsrv.host
dcc1f876e258ac5ecab28244da7a94ed44d4b43f:198.27.77.72
7dca807cc9484b1eed109c003831faf189b6c8bf:*.brandonlovescock.online
c6a2203285fb0a475c1cd6ff72527209cc0ccc6e:*.brandonlovescock.press
e3985eb936d66c9b07aa72c15358f92965b1194e:*.insanenetwork.org
b140bec2347bfbe6dcae44aa876b9ba5fe66505b:*.phoenixnexus.net
27ae74becc8cd701b19f25d347faa71084f69acd:*.arkhamnetwork.org
48f04e89d20b15de115503f22fedfe2cb2d1ab12:brandonisan.unusualperson.com
9f0f30820cebb01f6c81f0fdafefa0142660d688:*.kidslovemy500dollarranks.club
cc90e7b39112a48064f430d3a08bbd78a226d670:*.eccgamers.com
88f155cf583c930ffed0e3e69ebc3a186ea8cbb7:*.fucktheeula.com
605e6296b8dba9f0e4b8e43269fe5d053b5f4f1b:*.mojangendorsesbrazzers.webcam
5d2e23d164a43fbfc4e6093074567f39b504ab51:touchmybody.redirectme.net
f3df314d1f816a8c2185cd7d4bcd73bbcffc4ed8:*.mojangsentamonkeyinto.space
073ca448ef3d311218d7bd32d6307243ce22e7d0:*.diacraft.org
33839f4006d6044a3a6675c593fada6a690bb64d:*.diacraft.de
e2e12f3b7b85eab81c0ee5d2e9e188df583fe281:*.eulablacklist.club
11a2c115510bfa6cb56bbd18a7259a4420498fd5:*.slaughterhousepvp.com
75df09492c6c979e2db41116100093bb791b8433:*.timelesspvp.net
d42339c120bc10a393a0b1d2c6a2e0ed4dbdd61b:*.herowars.org
4a1b3b860ba0b441fa722bbcba97a614f6af9bb8:justgiveinandblockddnsbitches.ddns.net
b8c876f599dcf5162911bba2d543ccbd23d18ae5:brandonisagainst.health-carereform.com
9a9ae8e9d0b6f3bf54c266dcd1e4ec034e13f714:brandonwatchesporn.onthewifi.com
336e718ffbc705e76b4a72884172c6b95216b57c:canyouwildcardipsplease.gotdns.ch
27cf97ecf24c92f1fe5c84c5ff654728c3ee37dd:letsplaysome.servecounterstrike.com
32066aa0c7dc9b097eed5b00c5629ad03f250a2d:mojangbrokeintomy.homesecuritymac.com
39f4bbfd123a5a5ddbf97489877831c15a70d7f2:*.primemc.org
f32f824d41aaed334aef248fbe3a0f8ecf4ac1a0:*.meep.in
c22efe4cf7fb319ca2387bbc930c1fdf77ab72fc:*.itsjerryandharry.com
cc8e1ae93571d144bf4b37369cb8466093d6db5a:*.thearchon.net
9c0806e5ffaccb45121e57e4ce88c7bc76e057f1:*.goatpvp.com
5ca81746337088b7617c851a1376e4f00d921d9e:*.gotpvp.com
a5944b9707fdb2cc95ed4ef188cf5f3151ac0525:*.guildcraft.org

Statistics

  POST https://api.mojang.com/orders/statistics

Get statistics on the sales of Minecraft.

Payload

The payload is a json list of options under the metricKeys key. You will receive a single object corresponding to the sum of sales of the requested type(s). You must request at least one type of sale. Below is the default list used by https://minecraft.net/en/stats/

{
    "metricKeys": [
        "item_sold_minecraft",
        "prepaid_card_redeemed_minecraft"
    ]
}

Valid options are:

   item_sold_minecraft
   prepaid_card_redeemed_minecraft
   item_sold_cobalt
   item_sold_scrolls

Response

A json object is returned with the total amount of copies sold, the amount of copies sold in the last 24h and how many sales there are per second.

{
    "total": integer total amount sold,
    "last24h": integer total sold in last 24 hours,
    "saleVelocityPerSeconds": integer average sales per second
}

Examples

C# | full API wrapper

Go | uuids or names to profiles with skins, capes and name histories

Python | uuids or names to profiles

Python | names file to uuids+names file

PHP | uuids or names to profiles with skins, heads and name histories

PHP | uuids to names

PHP | uuids to names, names to uuids

JavaScript | uuids or names to profiles with skins, capes and name histories