---
page_title: Lite Topup
product: UPI TPAP SDK
platform: React Native
page_source: https://juspay.io/in/docs/upi-tpap-sdk/react-native/headless-process-payloads/lite-topup
llms_txt: https://juspay.io/in/docs/llms.txt
product_llms_txt: https://juspay.io/in/docs/upi-tpap-sdk/llms.txt
---


## Lite Topup 



This operation will be used for initial and subsequent topup of UPI wallet


###   Process Parameters



## Request Payload
- **RequestId**:
  - Description: Unique uuid-v4 string
  - Value: Example: abcd-12345-abcd-12345
  - Tags: String, Mandatory
- **Service**:
  - Description: Value: in.juspay.hyperapi
  - Tags: String, Mandatory
- **Payload**:
  - Description: Parameters required to call Hyper SDK API
  - Value:
    - **Action**:
      - Description: Operation to be performed in the SDK.
      - Value: upiLiteTopup
      - Tags: String, Mandatory
    - **MerchantKeyId**:
      - Description: Key ID to identify the public-private key pair used for signature generation.
      - Tags: String, Mandatory
    - **UpiRequestId**:
      - Description: Request id for upi transaction
      - Tags: String, Mandatory
    - **AccountReferenceId**:
      - Description: Unique id for the payer selected bank account as returned by upiGetSessionToken response. Incase of subsequent top up, this has to be the referenceId of the lite account.
      - Tags: String, Mandatory
    - **Amount**:
      - Description: Amount to be transfered. Numeric String with two decimals
      - Tags: String, Mandatory
    - **Signature**:
      - Description: Signature generated for the signaturePayload
      - Value: <signature>
      - Tags: String, Mandatory
    - **SignaturePayload**:
      - Description: Signature payload is a stringified JSON of the details mentioned in the below table.
      - Value:
        - **Merchant_id**:
          - Description: Unique identifier associated with an account created by juspay.Ex: stock
          - Tags: String, Mandatory
        - **Customer_id**:
          - Description: Any unique reference associated with your customer.
          - Tags: String, Mandatory
        - **Timestamp**:
          - Description: Time when request is created in milliseconds.
          - Tags: String, Mandatory
      - Tags: String, Mandatory
  - Tags: JSON, Mandatory


## Response Payload
- **RequestId**:
  - Description: Unique uuid-v4 string
  - Value: Example: abcd-12345-abcd-12345
  - Tags: String
- **Service**:
  - Description: Value: in.juspay.hyperapi
  - Tags: String
- **Payload**:
  - Description: Response Parameters
  - Value:
    - **Action**:
      - Description: Operation to be performed in the SDK.
      - Value: upiLiteTopup
      - Tags: String, Mandatory
    - **CustomerVpa**:
      - Description: VPA of the customer
      - Tags: String, Mandatory
    - **CustomerMobileNumber**:
      - Description: Masked phone number of the customer
      - Value: <Customer mobile number>
      - Tags: String, Mandatory
    - **Amount**:
      - Description: Amount sent. Numeric String with two decimals
      - Tags: String, Mandatory
    - **PayType**:
      - Description: P2P_PAY / SCAN_PAY / INTENT_PAY / SELF_PAY
      - Tags: String, Mandatory
    - **TransactionTimestamp**:
      - Description: Timestamp of transaction
      - Tags: String, Mandatory
    - **GatewayTransactionId**:
      - Description: upiRequestId as passed in request
      - Tags: String, Mandatory
    - **GatewayReferenceId**:
      - Description: Reference id returned by the gateway.
      - Tags: String, Mandatory
    - **GatewayResponseCode**:
      - Description: Response Code received from NPCI
      - Tags: String, Mandatory
    - **GatewayResponseMessage**:
      - Description: Response Message received from NPCI
      - Tags: String, Mandatory
    - **BankCode**:
      - Description: IIN Code for the bank
      - Tags: String, Mandatory
    - **PayeeMcc**:
      - Description: Merchant Category Code of the payee merchant
      - Tags: String, Optional
    - **RefUrl**:
      - Tags: String, Optional
    - **MaskedAccountNumber**:
      - Description: Account Number with last few digits visible
      - Tags: String, Mandatory
    - **BankAccountUniqueId**:
      - Description: Unique Identifier for bank account across banks
      - Tags: String, Mandatory
    - **Status**:
      - Description: If upiSendMoney call was success or failed
      - Value: SUCCESS / FAILURE
      - Tags: String, Mandatory
    - **OtherInfo**:
      - Description: As passed in request
      - Tags: String, Optional
  - Tags: JSON
- **Error**:
  - Description: Possible values :- true/false
  - Tags: Boolean
- **ErrorMessage**:
  - Description: Error Message
  - Tags: String
- **ErrorCode**:
  - Description: Error Code
  - Tags: String
- **Event**:
  - Description: Value: process_result
  - Tags: String





## Sample Code Snippets:
### Request snippets:

#### Request Code Snippet:

```request
{"success":false,"message":"Failed to fetch snippet"}
```

### Response snippets:

#### Response:
```plaintext
{"success":false,"message":"Failed to fetch snippet"}
```



---

## See Also

- [Check UPI Number Availability](https://juspay.io/in/docs/upi-tpap-sdk/react-native/headless-process-payloads/check-upi-number-availability)
- [Lite Transferout](https://juspay.io/in/docs/upi-tpap-sdk/react-native/headless-process-payloads/lite-transferout)