BrandKwikID Documentation
API SuiteDocument OCR (ML)

Aadhaar Back OCR

OCR the back of an Aadhaar card from an image. Server-side multipart POST with Bearer auth.

API reference

Try itLoading playground…
Loading…

Authorization

AuthorizationBearer <token>

JWT Bearer token authentication. Obtain a token from the KwikID dashboard.

In: header

Request Body

filestring
flags?string

Optional JSON string. Keys: CARD_ORIENT (0/1) corrects orientation; CARD_CROP (0/1) runs document crop before OCR.

unique_id?string

Optional correlation id for logs.

Response Body

curl -X POST "https://__mock__/ocr/aadhaar/back" \  -F file="string"
{
  "aadhaar_address": "string",
  "aadhaar_number": "string",
  "aadhaar_validity": "string",
  "pincode": "string"
}
{
  "detail": {
    "<location>": {
      "<field_name>": [
        "string"
      ]
    }
  },
  "message": "string"
}
{
  "detail": {},
  "message": "string"
}

Overview

Call POST /ocr/aadhaar/back with Authorization: Bearer <token> and file. Optional flags and unique_id. Treat output as sensitive and align with your Aadhaar data policy.

Key features

  • Captures address blocks often printed on the back.
  • Pairs with front OCR for a full-card read.

Implementation

Step 1: Call from your backend

Upload back image as file.

Error handling

HTTP statusWhen
400Unreadable image.
401Invalid token.

Benefits

  • Completes OCR when your UX collects front and back separately.

Next steps

Aadhaar Front OCR POST

OCR the front of an Aadhaar card from an image. Server-side multipart POST with Bearer auth.

PAN OCR POST

Extract structured fields from a PAN card image. Server-side multipart POST with Bearer auth.