/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 Nigeria, 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.nigeria.accuauth.com/ocr/idcard
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
orimage_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 |
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
Fields | Type | Description |
---|---|---|
id_number | string | ID card number |
first_name | string | First name |
middle_name | string | Middle name |
surname | string | Sure 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 |
nationality | string | Nationality |
document_number | string | Document number |
Response Syntax
{
"request_id": "TIDe32de81c8a194ee9bca6c5de00ca338a",
"results": [
{
"card_info": {
"id_number": "5412 7512 3412****",
"birthday": "03 MAY 1967",
"birthday_s": "03-05-1967",
"document_number": "541275****",
"expiry_date": "05/24",
"expiry_date_s": "01-05-2024",
"first_name": "AMXXX",
"gender": "M",
"height": "180CM",
"issue_date": "21 MAY 2014",
"issue_date_s": "21-05-2014",
"middle_name": "AYOXXX",
"nationality": "NGA",
"surname": "AHMED"
},
"card_side": "front",
"face_region": [
[
325,
1010
],
[
736,
1010
],
[
736,
1523
],
[
325,
1523
]
]
}
],
"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"
}