/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 Ghana, 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.ghana.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

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_type string The type of card: ID or VOTER
card_side string The side of card: front
card_info object The key infomation of card
Elements in the card_info
  • Front side of ID card info:
Fields Type Description
id_number string ID card number
document_number string Document number
first_name string First name
middle_name string Middle name
surname string Sure name
previous_name string Previous name
birthday string Date of birth
birthday_s string Formatted date of birth: dd-mm-yyyy
gender string Gender, M or F
height string Height of the person
issue_date string Issue date
issue_date_s string Formatted issue date: dd-mm-yyyy
expiry_date string Expiry date
expiry_date_s string Formatted expiry date: dd-mm-yyyy
place_of_issue string Place of issue
nationality string Nationality
  • Front side of VOTER card info:
Fields Type Description
voter_id_number string Voter ID card number
surname string Sure name
other_names string Other names
age string Age
gender string Gender, M or F
birthday string Date of birth
birthday_s string Formatted date of birth: dd-mm-yyyy
registry_date string Registry date
registry_date_s string Registry date: dd-mm-yyyy
polling_station_code string Polling station date
Response Syntax
  • Front side of ID card
{
  "request_id": "TID3e16f795acf14c50805693c39fe84993",
  "results": [
    {
      "card_info": {
        "id_number": "GHA-72126****-2",
        "document_number": "AM309****",
        "first_name": "FELAX",
        "middle_name": "",
        "surname": "ADJOL",
        "previous_name": "",
        "birthday": "10/05/1984",
        "birthday_s": "10-05-1984",
        "gender": "M",
        "height": "1.67",        
        "issue_date": "0403/2020",
        "issue_date_s": "04-03-2020",
        "expiry_date": "03/03/2030",
        "expiry_date_s": "03-03-2030",
        "place_of_issue": "ACCRA",
        "nationality": "GHANAIAN",        
      },
      "card_side": "front",
      "card_type": "ID"
    }
  ],
  "status": "OK"
}
  • Front side of Voter card
{
    "request_id": "TID21afee54bdda4b76b9593222db2c6dee",
    "results": [
        {
            "card_info": {
                "birthday": "",
                "birthday_s": "",
                 "age": "18",
                "gender": "M",
                "other_names": "DOM***",
                "polling_station_code": "C110XXX",
                "registry_date": "2020/06/30",
                "registry_date_s": "30-06-2020",
                "surname": "BRITWUM",
                "voter_id_number": "439300xxxx"
            },
            "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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