curl --request POST \
  --url https://api-pacb-uat.eximpe.com/pg/orders/{order_id}/documents/ \
  --header 'Content-Type: multipart/form-data' \
  --header 'X-Client-ID: <api-key>' \
  --header 'X-Client-Secret: <api-key>' \
  --form identifier=INV_EDU_20241205 \
  --form document_type=invoice \
  --form file=@example-file

{
  "success": true,
  "message": "Documents uploaded successfully",
  "data": {
    "order_id": "OD9411897512",
    "reference_id": "TEST_FOB46D",
    "amount": 1000,
    "currency": "INR",
    "mop_type": "UPI",
    "buyer": {
      "name": "Vikash Gupta",
      "email": "[email protected]",
      "phone": "+919456789012",
      "address": {
        "line_1": "C-45, Sector 62, Institutional Area",
        "line_2": "Near Metro Station",
        "city": "Noida",
        "state": "Uttar Pradesh",
        "postal_code": "201309"
      },
      "pan_number": "ABCPV1234G",
      "dob": "1987-03-15"
    },
    "product": {
      "name": "Complete Python Programming Course Bundle",
      "description": "Comprehensive online course with 50+ hours of content, projects, and certification",
      "hs_code": "49019900",
      "hs_code_description": "Printed books, brochures, leaflets and similar printed matter",
      "type_of_goods": "services"
    },
    "invoice": {
      "number": "IN1123213",
      "date": "2025-06-22",
      "file": "https://eximpe.com/inv-12312312.pdf"
    },
    "air_waybills": [
      {
        "number": "AWB-23343",
        "file": "https://eximpe.com/awb-8F3F51D2.pdf"
      }
    ],
    "payments": [
      {
        "payment_id": "PR1469384681",
        "mop_type": "UPI",
        "status": "captured",
        "status_message": null,
        "settlement": {
          "status": "ready_for_settlement",
          "message": null,
          "settlement_details": null
        },
        "created_at": "2025-06-23T10:44:14.344135Z"
      }
    ],
    "status": "payment_successful",
    "status_message": "Payment captured successfully",
    "created_at": "2025-06-23T10:44:11.702363Z"
  }
}