PUT

Update the details of a registered customer on Simpaisa. The core fields — reference, customerAccount, accountType, and destinationBank — cannot be changed; this call only updates other beneficiary details.

Applies to: Pakistan

---

Endpoint

Method	PUT
Path	/merchants/{merchantId}/disbursements/register-customer
Sandbox	https://sandbox.simpaisa.com

---

Request Parameters

Parameter	Required	Type	Length	Description
reference	Yes	String	45	A unique reference per customer, attached to the bank or wallet account provided by the beneficiary. Used as customerReference in the initiate disbursement request.
customerName	Yes	String	45	The customer's name shared by the merchant
customerContact	Yes	String	45	The customer's contact number (mobile) with country code
customerEmail	Yes	String	100	The customer's email address
customerDob	Yes	String	25	The customer's date of birth, formatted as per ISO 8601
customerGender	Yes	String	10	The customer's gender — MALE, FEMALE, or OTHER
customerAddress	No	Object	—	The address of the customer
customerAddress.country	No	String	45	The country of the address as an ISO 3166 Alpha-2 code. Required if address is provided.
customerAddress.city	No	String	45	The city of the address
customerAddress.state	No	String	45	The region/state of the address. Required if address is provided.
customerAddress.streetAddress	No	String	45	The street address
customerAddress.postalCode	No	String	25	The postal code of the address
customerAddress.landmark	No	String	45	A landmark for the address
customerAddress.freeformAddress	No	String	150	A free-form description of the address
customerMaritalStatus	No	String	10	The marital status — SINGLE, MARRIED, or DIVORCED
customerIdNumber	No	String	45	The customer's national identification number
customerIdExpirationDate	No	String	25	The expiration date of the national ID (e.g. CNIC), formatted as per ISO 8601
customerNtnNumber	No	String	15	The national taxation number of the customer
customerAccount	Yes	String	45	The customer's account number (IBAN or wallet) shared for disbursement
accountType	Yes	String	3	The account type — BA for bank accounts, DW for digital wallets (e.g. Easypaisa)
destinationBank	Yes	String	25	The name of the bank/wallet entity holding the customer's account
branchCode	No	String	15	The unique code assigned to the bank branch holding the customer's account

---

Sample

Request

curl --location --request PUT 'https://sandbox.simpaisa.com/merchants/{merchantId}/disbursements/register-customer' \
  --header 'Content-Type: application/json' \
  --header 'Cookie: JSESSIONID=54DA2859F23201F2DDE1E20F6FE74E44' \
  --data-raw '{
    "request": {
      "reference": "AJDfldjlafdJADJ000",
      "customerName": "John Doe",
      "customerContact": "923000000000",
      "customerEmail": "f6990600-3f30-4a55-b45b-ebad0524b1a1@simpaisa.com",
      "customerDob": "1989-12-19",
      "customerGender": "MALE",
      "customerAddress": {
        "country": "PK",
        "city": "PK",
        "state": "Sindh",
        "streetAddress": "Steet 1c",
        "postalCode": "75600",
        "landmark": "Leaning tower of Pisa",
        "freeformAddress": "123 Main"
      },
      "customerMaritalStatus": "SINGLE",
      "customerIdNumber": "4288888888888888",
      "customerIdExpirationDate": "2024-04-12",
      "customerNtnNumber": "NTN-8546",
      "branchCode": "646416"
    },
    "signature": "0x650c9f2e6701e3fe73d3054904a9a4bbdb96733f1c4c743ef573ad6ac14c5a3bf8a4731f6e6276faea5247303677fb8dbdf24ff78e53c25052cdca87eecfee85476bcb8a05cb9a1efef7cb87dd68223e117ce800ac46177172544757a487be32f5ab8fe0879fa8add78be465ea8f8d5acf977e9f1ae36d4d47816ea6ed41372b"
  }'

Response

{
  "response": {
    "status": "0000",
    "message": "Success",
    "reference": "AJDfldjlafdJADJ000"
  },
  "signature": "R0My/I2+JiJQLmA22hORQ1SlZqwk1P3Au4w7If3oZRVKv1BnRYMHNgp1q3xuua0DdG3Y962qpw9JrV3eksamVGE49Jp5VzAKhsqHIPvmXPOIdfHkSULilwab8FFTAulCiXUbLpjWg+5R4Q73szPvDlIfgdgWHVw4INHRFuS3eBKzkMbZkBM3laS9SFELqsF4tHUbeC2WJej2qJ/vzBYyc1UlkHZCB/4TkNIwxEAEnwNWK2BvEn8wKXoYbWEWfOM57ogZ7ya5OotX4O6wZRCEdhiiUXy2QseE/UrzepWjJY7F8XOntLuJLnPpMVpXzx3YKnD9/YVIxB1onQcpibHxBQ=="
}

info

The signature is generated only for the request and response sections.