curl --request PATCH \
  --url https://api-pacb-uat.eximpe.com/partners/merchants/{merchant_id}/ \
  --header 'Content-Type: application/json' \
  --header 'X-Client-ID: <api-key>' \
  --header 'X-Client-Secret: <api-key>' \
  --data '{
  "company_details": {
    "legal_name": "Shakti Logistics & Exports Pvt Ltd",
    "brand_name": "ShaktiXpress",
    "registration_number": "IN09DEL2021PTC987654",
    "international_org_type": "PRIVATE_LIMITED",
    "tax_id": "29AABCT1234D1Z9",
    "website": "https://www.shaktiexpress.in",
    "monthly_avg_transaction_value": "780000.00",
    "monthly_avg_transaction_volume": "120",
    "business_category": "MANUFACTURING",
    "business_mode": "B2B",
    "commodity": "Textile Machinery and Automotive Components",
    "payment_terms": "NET_30",
    "category": "Logistics & Manufacturing Support",
    "description_of_products_and_services": "ShaktiXpress provides export logistics and warehousing services for textile machinery and automotive components across Asia and Europe.",
    "agreement_details": "Master Logistics Agreement valid until 2027-12-31",
    "communication_address": "Plot No. 56, Electronic City Phase 1",
    "communication_city": "Bengaluru",
    "communication_state": "Karnataka",
    "communication_country": "India",
    "communication_pincode": "560100",
    "same_as_registered_address": false,
    "registered_address": "7th Floor, Sagar Tech Plaza, Andheri-Kurla Road",
    "registered_city": "Mumbai",
    "registered_state": "Maharashtra",
    "registered_country": "India",
    "registered_pincode": "400072",
    "purpose_code": "P0101",
    "hs_codes": [
      "85234910",
      "84715000"
    ]
  },
  "settlement_details": {
    "bank_account_number": "5087654321123456",
    "bank_account_name": "Shakti Logistics & Exports Pvt Ltd",
    "bank_swift_code": "HDFCINBBXXX",
    "bank_name": "HDFC Bank Ltd.",
    "bank_branch_name": "Andheri East Branch",
    "bank_address": "Unit 3A, Ground Floor, Hiranandani Business Park, Powai",
    "bank_city": "Mumbai",
    "bank_state": "Maharashtra",
    "bank_country": "India",
    "bank_pincode": "400076",
    "routing_number": "HDFC0000001"
  }
}'

{
  "success": true,
  "message": "Merchant updated successfully",
  "data": {
    "merchant_id": "3604346598",
    "updated_fields": [
      "company_details",
      "settlement_details"
    ]
  }
}