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Reverse engineered documentation of the Hungarian e-register system e-Kreta. Primarily a compilation of various community resources, maintained as a single resource.
	Published 2025-04-02 14:54:27 Modified 2025-05-26 21:30:25

Unofficial eKreta documentation

Updated documentation for version 3 of the e-kreta API.

See on GitHub

Most of the info here is based on Filc's source code and boapps' v1 documentation, while the rest was hand tested.

The repository also contains a Python program to access most functions, and as a sort of example of usage.

Kreta projects based on the new API

Filc: An unnofficial e-diary application for the e-Kreta system.
Asztal: Terminal-based e-Kreta client.
kreta-cli: A command line interface for KRÉTA's latest v3 api
Táblafilc: A grade calculator program for students (GitHub).
To add your project to the list, create a pull request with it added.

Kreta Endpoints & API links

Class-based representation of all Kreta Endpoints

taken from Filc's source

class Kreta:
    def base(ist):
        return f"<https://{ist}.e-kreta.hu>"
    IDP = "<https://idp.e-kreta.hu>"
    ADMIN = "<https://eugyintezes.e-kreta.hu>"
    FILES = "<https://files.e-kreta.hu>"

class KretaEndpoints:
    token = "/connect/token"
    nonce = "/nonce"
    notes = "/ellenorzo/V3/Sajat/Feljegyzesek"
    events = "/ellenorzo/V3/Sajat/FaliujsagElemek"
    student = "/ellenorzo/V3/Sajat/TanuloAdatlap"
    grades = "/ellenorzo/V3/Sajat/Ertekelesek"
    absences = "/ellenorzo/V3/Sajat/Mulasztasok"
    groups = "/ellenorzo/V3/Sajat/OsztalyCsoportok"
    groupAverages =
"/ellenorzo/V3/Sajat/Ertekelesek/Atlagok/OsztalyAtlagok"
    timetable = "/ellenorzo/V3/Sajat/OrarendElemek"
    exams = "/ellenorzo/V3/Sajat/BejelentettSzamonkeresek"
    homework = "/ellenorzo/V3/Sajat/HaziFeladatok"
    capabilities = "/ellenorzo/V3/Sajat/Intezmenyek"

class AdminEndpoints:
    sendMessage = "/api/v1/kommunikacio/uzenetek"
    def getAllMessages(endpoint):
        return f"/api/v1/kommunikacio/postaladaelemek/{endpoint}"
    def getMessage(id):
        return f"/api/v1/kommunikacio/postaladaelemek/{id}"
   
    recipientCategories = "/api/v1/adatszotarak/cimzetttipusok"
    availableCategories = "/api/v1/kommunikacio/cimezhetotipusok"
    recipientsTeacher = "/api/v1/kreta/alkalmazottak/tanar"

    uploadAttachment = "/ideiglenesfajlok"
    def downloadAttachment(id):
        return "/v1/dokumentumok/uzenetek/$id"
   
    trashMessage = "/api/v1/kommunikacio/postaladaelemek/kuka"
    deleteMessage = "/api/v1/kommunikacio/postaladaelemek/torles"

Getting current API links

Useful so that if the api links change you don't have to update your app.

(found by thegergo02)

Response from server:

{
  "GlobalMobileApiUrlDEV":
"<https://kretaglobalmobileapidev.ekreta.hu/>",
  "GlobalMobileApiUrlTEST":
"<https://kretaglobalmobileapitest.ekreta.hu>",
  "GlobalMobileApiUrlUAT":
"<https://kretaglobalmobileapiuat.ekreta.hu>",
  "GlobalMobileApiUrlPROD": "<https://kretaglobalmobileapi2.ekreta.hu>"
}

Technically it is available from a normal browser as well.

Getting list of all Kreta schools

May not work in languages with no lowercase header request, like Swift and Dart, see BoA's note.

curl "<https://kretaglobalmobileapi2.ekreta.hu/api/v3/Institute>" -H
"apiKey: 7856d350-1fda-45f5-822d-e1a2f3f1acf0"

Response from server

[
    {
        "instituteId": 0000,
        "instituteCode": "xxxxxxxxxxx",
        "name": "Xxxxx Xxxx Xxxxxx",
        "city": "Xxxxxx",
        "url": "<https://xxxxxxxxxxx.e-kreta.hu>",
        "advertisingUrl": "",
        "informationImageUrl":
"<https://kretamobile.blob.core.windows.net/advertisement/nati_app.gif>",
        "informationUrl": "",
        "featureToggleSet": {}
    },
    ...
]

Access & Refresh token

Access token

Returns a Bearer authenticator to be used later for most requests.

NOTE: Sometimes it seems to return a 502 error, not sure why or if it's a problem I can fix.

NOTE: To simplify the X-AuthorizationPolicy-Key and X- AuthorizationPolicy-Nonce header information, please refer to the kreta_v2.py file.

curl "<https://idp.e-kreta.hu/connect/token>" -A
"hu.ekreta.tanulo/1.0.5/Android/0/0" -H "X-AuthorizationPolicy-Key: xxx"
-H "X-AuthorizationPolicy-Version: v2" -H "X-AuthorizationPolicy-Nonce:
xxx" -d
"userName=xxxxxxxx&password=xxxxxxxxx&institute_code=xxxxxxxxx&grant_type=password&client_id=kreta-
ellenorzo-mobile-android"

Response from server:

{

"access_token":"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX",
 "refresh_token":
"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
 ...
}

Refresh token

With grant_type=refresh_token you can then refresh your access token:

curl "<https://idp.e-kreta.hu/connect/token>" -A
"hu.ekreta.tanulo/1.0.5/Android/0/0" -d
"institute_code=xxxxxxxxx&refresh_token=xxxxxxxxxxxx&grant_type=refresh_token&client_id=kreta-
ellenorzo-mobile-android"

Messages

Get all messages

Requires the same headers as all GET requests, but also needs an endpoint that can be beerkezett, elkuldott or torolt.

curl "<https://eugyintezes.e-
kreta.hu/api/v1/kommunikacio/postaladaelemek/$type>" -A
"hu.ekreta.tanulo/1.0.5/Android/0/0" -H "Authorization: Bearer xxxxxxxx"

Response from server:

[
 {
 "azonosito": 0000000,
 "uzenetAzonosito": 000000,
 "uzenetKuldesDatum":"1970-01-01T00:00:00",
 "uzenetFeladoNev":"Xxxxx Xxxxx",
 "uzenetFeladoTitulus":"xxxxxxxxxx",
 "uzenetTargy":"xxxxxxxxx",
 "hasCsatolmany":false,
 "isElolvasva":true
 },
   ...
]

Get information about a specific message

The above method is limited in message length (I think to 100 characters), so this gets more info about a specific messages denoted by it's numeric id.

curl "<https://eugyintezes.e-
kreta.hu/api/v1/kommunkacio/postaladaelemek/$ID>" -A
"hu.ekreta.tanulo/1.0.5/Android/0/0" -H "Authorization: Bearer xxxxxxxx"

Important notes:

cimzettLista can have either a student or a class value (as far as I can tell).

Response from server:

{
 "azonosito": 0000000,
 "isElolvasva":true,
 "isToroltElem":false,
 "tipus": {
 "azonosito":1,
 "kod":"BEERKEZETT",
 "rovidNev":"Beérkezett üzenet",
 "nev":"Beérkezett üzenet",
 "leiras":"Beérkezett üzenet"
 },
 "uzenet": {
 "azonosito":0000000,
 "kuldesDatum": "1970-01-01T00:00:00",
 "feladoNev":"Dudás Attila",
 "feladoTitulus":"igazgató h.",
 "szoveg":"...",
 "targy":" Tájékoztató ",
 "statusz": {
 "azonosito":2,
 "kod":"KIKULDVE",
 "rovidNev": "Kiküldve",
 "nev":"Kiküldve",
 "leiras":"Kiküldve"
 },
 "cimzettLista":
 [
 {
 "azonosito": 0000000,
 "kretaAzonosito": 00000,
 "nev":"9.A",
 "tipus": {
 "azonosito":4,
 "kod":"OSZTALY_TANULO",
 "rovidNev":"Osztály - Tanuló",
 "nev":"Osztály - Tanuló",
 "leiras":"Osztály - Tanuló"
 }
 },
 {
 "azonosito":0000000,
 "kretaAzonosito": 000000,
 "nev": "Xxxxxxx Xxxxxxx",
 "tipus": {
 "azonosito":9,
 "kod":"TANAR",
 "rovidNev":"Tanár",
 "nev":"Tanár",
 "leiras":"Tanár"
 }
 },
 ...
 ],
 "csatolmanyok": [
 {
                     "azonosito": 0000000,
                     "fajlNev": "xxxxxxx.xxx"
                 },
 ...
 ]
 }
}

Marking message as read

not sure yet

Get pre-announced tests & exams

curl "<https://"$ist".e-
kreta.hu/ellenorzo/V3/Sajat/BejelentettSzamonkeresek?datumTol=null>" -A
"hu.ekreta.tanulo/1.0.5/Android/0/0" -H "Authorization: Bearer xxxxxxxx"

Important notes:

datumTol is an optional parameter, without it the server returns all.
I only have irasbeli_temazaro_dolgozat as a type, but logically there should be stuff like szobeli_feleles and others.

Response from server:

[
  {
    "BejelentesDatuma": "1970-01T00:00:00Z",
    "Datum": "2019-10-08T22:00:00Z",
    "Modja": {
      "Uid": "0000,irasbeli_temazaro_dolgozat",
      "Leiras": "Írásbeli témazáró dolgozat",
      "Nev": "irasbeli_temazaro_dolgozat"
    },
    "OrarendiOraOraszama": 1,
    "RogzitoTanarNeve": "Kókai Mária",
    "TantargyNeve": "Mathematics",
    "Temaja": "Combinatorics and graphs",
    "OsztalyCsoport": {
      "Uid": "88429"
    },
    "Uid": "784"
  },
]

Get information about student

Used to be together with absences & evaluations, but has it since been separated with v2.

curl "<https://"$institute".e-
kreta.hu/ellenorzo/V3/Sajat/TanuloAdatlap>" -A
"hu.ekreta.tanulo/1.0.5/Android/0/0" -H "Authorization: Bearer xxxxxxxx"

Important notes:

"SzuletesiDatum" represents 00:00 of the given date, but is in UTC time: YYYY-MM-(DD-1)T23:00:00Z.
"TestreszabhatoBeallitasok" shows if the school allows things like student-submitted homeworks, showing themes of lessons, displaying class averages or even a global delay in evaluations showing up for whatever reason.

Response from server

{
  "AnyjaNeve": "Xxxxxx Xxxxxx",
  "Cimek": [
    "City (Postcode), Street Number",
    "Xxxx (0000), Xxxxxx street 0"
  ],
  "Gondviselok": [
    {
      "EmailCim": "xxxxxxxxx@xxxxx.com",
      "Nev": "Xxxxxxx Xxxxxx",
      "Telefonszam": "+xxxxxxxxxxx",
      "IsTorvenyesKepviselo": true,
      "Uid": "xxxxx"
    }
  ],
  "IntezmenyAzonosito": "xxxxxxxxxx",
  "IntezmenyNev": "Xxxxxxxxxx Xxxxxxxxx",
  "Nev": "Xxxxx Xxxxx Xxxxx",
  "SzuletesiDatum": "2002-12-02T23:00:00Z",
  "SzuletesiEv": 2002,
  "SzuletesiHonap": 12,
  "SzuletesiNap": 02,
  "SzuletesiHely": "Xxxxxxx XX Xxxxx",
  "SzuletesiNev": "Xxxxx Xxxxx Xxxxx",
  "TanevUid": "0000",
  "Uid": "000000",
  "Bankszamla": {
    "BankszamlaSzam": null,
    "BankszamlaTulajdonosTipusId": null,
    "BankszamlaTulajdonosNeve": null,
    "IsReadOnly": false
  },
  "Intezmeny": {
    "Uid": "0000",
    "RovidNev": "xxxxxxxxxx",
    "Rendszermodulok": [
      {
        "IsAktiv": true,
        "Tipus": "Eugyintezes"
      }
    ],
    "TestreszabasBeallitasok": {
      "IsDiakRogzithetHaziFeladatot": false,
      "IsTanorakTemajaMegtekinthetoEllenorzoben": true,
      "IsOsztalyAtlagMegjeleniteseEllenorzoben": false,
      "ErtekelesekMegjelenitesenekKesleltetesenekMerteke": 0,
      "KovetkezoTelepitesDatuma": "2021-05-04T19:00:00Z"
    }
  }
}

Get Evaluations, Absences & Timetable

$endpoint refers to the data requested: Ertekelesek/Mulasztasok/OrarendElemek.

datumTol & datumIg is required for timetable, while optional for the other two.

curl "<https://"$institute".e-
kreta.hu/ellenorzo/V3/Sajat/"$endpoint"?datumTol=2020-09-01T00-00-
00&datumIg=2020-09-08T00-00-00>" -A "hu.ekreta.tanulo/1.0.5/Android/0/0"
-H "Authorization: Bearer xxxxxxxx"

Responses from server:

- Evaluations:

[
 {
     "ErtekeloTanarNeve": "Xxxxx Xxxxx",
     "ErtekFajta": {
       "Uid": "0,Osztalyzat",
       "Leiras": "Elégtelen (1) és Jeles (5) között az öt
alapértelmezett érték",
       "Nev": "Osztalyzat"
     },
     "Jelleg": "Ertekeles",
     "KeszitesDatuma": "1970-01-01T00:00:00Z",
     "LattamozasDatuma": null,
     "Mod": {
       "Uid": "0000,type_of_eval",
       "Leiras": "Type of Eval",
       "Nev": "type_of_eval"
     },
     "RogzitesDatuma": "1970-01-01T00:00:00Z",
     "SulySzazalekErteke": 100,
     "SzamErtek": 0,
     "SzovegesErtek": "Szöveg(0)",
     "SzovegesErtekelesRovidNev": null,
     "Tantargy": {
       "Uid": "000000",
       "Kategoria": {
         "Uid": "0000,subject",
         "Leiras": "Subject",
         "Nev": "subject"
       },
       "Nev": "Subject"
     },
     "Tema": "...",
     "Tipus": {
       "Uid": "0000,evkozi_jegy_ertekeles",
       "Leiras": "Évközi jegy/értékelés",
       "Nev": "evkozi_jegy_ertekeles"
     },
     "OsztalyCsoport": {
       "Uid": "00000"
     },
     "Uid": "00000000,Ertekeles"
 },
 ...
]

Important Notes:

type_of_eval seems to have the same values possible as Pre-Announced
Leiras looks to be the way to differentiate mid/half/endyear grades

SulySzazalekErteke is usually 100/200, but I've seen end of term grades registered at 150 so it's better to code it flexibly.

- Absences

[
{
    "IgazolasAllapota": "Igazolt",
    "IgazolasTipusa": {
      "Uid": "0000,szuloi_igazolas",
      "Leiras": "Szülői igazolás",
      "Nev": "szuloi_igazolas"
    },
    "KesesPercben": null,
    "KeszitesDatuma": "1970-01-01T00:00:00Z",
    "Mod": {
      "Uid": "1,Tanorai",
      "Leiras": "Tanórai mulasztás",
      "Nev": "Tanorai"
    },
    "Datum": "1970-01-01T00:00:00Z",
    "Ora": {
      "KezdoDatum": "1970-01-01T08:30:00Z",
      "VegDatum": "2020-09-01T00:00:00Z",
      "Oraszam": 5
    },
    "RogzitoTanarNeve": "Xxxxx Xxxxx",
    "Tantargy": {
      "Uid": "000000",
      "Kategoria": {
        "Uid": "0000,subject_name",
        "Leiras": "Subject Name",
        "Nev": "subject_name"
      },
      "Nev": "subject name"
    },
    "Tipus": {
      "Uid": "0000,hianyzas",
      "Leiras": "Hiányzás",
      "Nev": "hianyzas"
    },
    "OsztalyCsoport": {
      "Uid": "00000"
    },
    "Uid": "00000000"
},
...
]

Important notes:

Oraszam refers to the index of the lesson starting from 1.

Leiras again likely has a multitude of possible values that I cannot test.

- Timetable

[
  {
    "Allapot": {
      "Uid": "1,Naplozott",
      "Leiras": "Naplózott",
      "Nev": "Naplozott"
    },
    "BejelentettSzamonkeresUids": [],
    "BejelentettSzamonkeresUid": null,
    "Datum": "1970-01-01T00:00:00Z",
    "HelyettesTanarNeve": null,
    "IsTanuloHaziFeladatEnabled": false,
    "KezdetIdopont": "1970-01-01T00:00:00Z",
    "Nev": "xxxxxxx",
    "Oraszam": 0,
    "OraEvesSorszama": 0,
    "OsztalyCsoport": {
      "Uid": "000000",
      "Nev": "xxx xxx xxx"
    },
    "HaziFeladatUid": null,
    "IsHaziFeladatMegoldva": false,
    "TanarNeve": "Xxxxx Xxxxxx",
    "Tantargy": {
      "Uid": "000000",
      "Kategoria": {
        "Uid": "0000,xxxx_xxxx",
        "Leiras": "Xxxxx Xxxx",
        "Nev": "xxxx_xxxx"
      },
      "Nev": "Spanish"
    },
    "TanuloJelenlet": {
      "Uid": "0000,Xxxxx",
      "Leiras": "...",
      "Nev": "Xxxx"
    },
    "Tema": "...",
    "TeremNeve": "xxx",
    "Tipus": {
      "Uid": "0,XxxxxXxxx",
      "Leiras": "Xxxx Xxxx",
      "Nev": "XxxxxXxxx"
    },
    "Uid": "0000000,Xxxxxxxx,1970-01-01T00:00:00Z",
    "VegIdopont": "1970-01-01T00:15:00Z"
  },
  ...
]

Unofficial eKreta documentation

Kreta projects based on the new API

Kreta Endpoints & API links

Class-based representation of all Kreta Endpoints

Getting current API links

Getting list of all Kreta schools

Access & Refresh token

Access token

Refresh token

Messages

Get all messages

Get information about a specific message

Important notes:

Marking message as read

Get pre-announced tests & exams

Important notes:

Get information about student

Important notes:

Get Evaluations, Absences & Timetable

Responses from server:

- Evaluations:

Important Notes:

- Absences

Important notes:

- Timetable

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