/ocr/idcard

1.API Specification
2.Request Params
3.Response Params
4.Error Codes
5.Sample

1.API Specification

This API is used to recognize ID card of Tanzania, and extract the key information.

Image spec

1. Format: JPG(JPEG), PNG, e-aadhaar(PDF)
2. Between 128*128 and 6000*6000 (pixels), Recommended resolution: 1280*1280
3. File size: no larger than 5 MB

Request Method

POST

Request URL

https://cloudapi.tanzania.accuauth.com/ocr/idcard

Debugging Tool

Debugging Tool

2.Request Params

2.1 Request Header

Parameter Type Required Description
X-DF-API-ID string Yes For API credentials，Please visit API Request
X-DF-API-SECRET string Yes For API credentials，Please visit API Request

2.2 Request Body

Fields Type Description
optional file file Binary data of the image
optional image_base64 string Base64 encoded data of image
optional detect_face integer 1: enable face detection, and the face_region field will be returned; 0: the default value, disable face detection.

Either parameter file or image_base64 must be provided as a request parameter.

You MUST add image stream to multipart/form-data section of POST message when using file parameter.

3.Response Params

Fields Type Description
request_id string Unique id of each request
status string Response status, OK if request success, other if failed; See Error Codes for details
results array The array of card ocr results，See results belowed for details
Elements in results:
Fields Type Description
card_side string The side of card: front
card_info object The key infomation of card
card_type string ID or Voter
face_region array Four point coordinates of face rect, format as: [(x1, y1), (x2, y2), (x3, y3), (x4, y4)]; The coordinate is based on the original image, while the points order is based on the face after rotation(top left, top right, bottom right, bottom left).
Elements in the card_info
  • Front side of ID card info:
Fields Type Description
id_number string ID card number
given_name string Given name
middle_name string Middle name
last_name string Last name
birthday string Date of birth
birthday_s string Formatted date of birth: dd-mm-yyyy
gender string Gender, M or F
resident_type string Resident type
nationality string Nationality
expiry_date string Expiry date
expiry_date_s string Formatted expiry date: dd-mm-yyyy
  • Front side of Voter card info:
Fields Type Description
id_number string Voter ID card number
full_name string Full name
gender string Gender, ME(Male) or KE(Female)
gender_s string Gender, M or F
birthday string Date of birth: dd mm yyyy
birthday_s string Formatted date of birth: dd-mm-yyyy
registration_centre string Registration center
street string Street
ward string Ward
Response Syntax
  • Front side of ID card
{
    "request_id": "TIDe32de81c8a194ee9bca6c5de00ca338a",
    "results": [
        {
            "card_info": {
                "id_number": "19880622-75120-*****-**",
                "given_name": "AMXXX",
                "middle_name": "AYOXXX",
                "last_name": "AMXXX",
                "birthday": "03 MAY 1967",
                "birthday_s": "03-05-1967",
                "gender": "M",
                "nationality": "",
                "resident_type": "CITIZEN IDENTITY CARD"
                "expiry_date": "05/24",
                "expiry_date_s": "01-05-2024"
            },
            "card_side": "front",
            "face_region": [
                [
                    325,
                    1010
                ],
                [
                    736,
                    1010
                ],
                [
                    736,
                    1523
                ],
                [
                    325,
                    1523
                ]
          ]
        }
    ],
    "status": "OK"
}
  • Front side of Voter card
{
    "request_id": "TID21afee54bdda4b76b9593222db2c6dee",
    "results": [
        {
            "card_info": {
                "birthday": "26 04 1999",
                "birthday_s": "26-04-1999",
                "full_name": "AMINA S *****",
                "gender": "KE",
                "gender_s": "F",
                "id_number": "1538273*****",
                "registration_centre": "MSINGI *****",
                "street": "CHANGANYIKENI",
                "ward": "MAKONGO"
            },
            "card_side": "front",
            "card_type": "VOTER"
        }
    ],
    "status": "OK"
}

4.Error Codes

Common error codes of this API:

Http Status Code Status field Description
400 INVALID_ARGUMENT Request parameter is invalid
400 DETECTION_FAILED Detect image failed
401 UNAUTHORIZED Unauthorized or access is denied
401 KEY_EXPIRED Your API ID has expired
403 NO_PERMISSION You are not authorized to use this API
403 OUT_OF_QUOTA API calls quota exceeded
403 RATE_LIMIT_EXCEEDED API request frequency exceeds the limit
404 NOT_FOUND Requested API cannot be found
500 INTERNAL_ERROR Internal server error

Comment: Please see the reason field for details when the above 40X error occurred

Response Syntax
{
  "status": "INVALID_ARGUMENT",
  "reason": "must specify 'file' or 'image_base64' argument",
  "request_id": "TID8bf47ab6eda64476973cc5f5b6ebf57e"
}

5.Sample

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