---
page_title: P2M Pay
product: UPI TPAP SDK
platform: Flutter
page_source: https://juspay.io/in/docs/upi-tpap-sdk/flutter/headless-process-payloads/p2m-pay
llms_txt: https://juspay.io/in/docs/llms.txt
product_llms_txt: https://juspay.io/in/docs/upi-tpap-sdk/llms.txt
---


## P2M Pay



This operation will enable customers to pay for the order.


###   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. Should be upiTxn for this call.
      - Value: Value: upiTxn
      - Tags: String, Mandatory
    - **MerchantKeyId**:
      - Description: Key ID to identify the public-private key pair used for signature generation.
      - Value: Example: 1234
      - Tags: String, Mandatory
    - **Signature**:
      - Description: Signature generated for the signaturePayload.
      - Tags: String, Mandatory
    - **AccountRefId**:
      - Description: Reference ID for selected account
      - Value: Example: ABC123456789
      - 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.
          - Value: Example: stock
          - Tags: String, Mandatory
        - **Order_id**:
          - Description: Unique Identifier for the order. Should be Alphanumeric with character length less than 21.
          - Value: Example: 123ABC789XYZ
          - Tags: String, Mandatory
        - **Amount**:
          - Description: Amount to be paid. Numeric String with two decimals
          - Value: Example: 2.00
          - Tags: String, Mandatory
        - **Currency**:
          - Description: Currency to use
          - Value: Example: INR
          - Tags: String, Optional
        - **Customer_phone**:
          - Description: Mobile no
          - Value: Example: 1234567890
          - Tags: String, Optional
        - **Customer_email**:
          - Description: Customer Email
          - Value: Example: abc@xyz.com
          - Tags: String, Optional
        - **Customer_id**:
          - Description: Any unique reference associated with your customer.
          - Value: Example: abcde12345
          - Tags: String, Mandatory
        - **Timestamp**:
          - Description: Time when request is created in milliseconds.
          - Value: Example: 1665996901100
          - Tags: String, Mandatory
        - **Metadata.<issuing_psp>:gateway_reference_id**:
          - Description: In case of multiple merchant VPAs, this field needs to be passed. It can be obtained from the dashboard. Issuing_PSP will be either AXIS_BIZ or YES_BIZ.
            
            Value: ABC123
          - Tags: String, Conditional
      - 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 performed in the SDK.
      - Value: Value: upiTxn
      - Tags: String
    - **Status**:
      - Description: Status of the Operation. Possible values : SUCCESS, PENDING, FAILURE
      - Value: Example: SUCCESS
      - Tags: String
    - **Order_id**:
      - Description: Order ID for the transaction.
      - Value: Example: ABC1234567890
      - Tags: String
    - **TxnUuid**:
      - Value: Example: moz3hjuAtiiQriCVFBn
      - Tags: String
    - **SelectedAccount**:
      - Description: Selected account
      - Value:
        - **Account**:
          - Description: Account linked to this vpa
          - Value:
            - **AtmPinLength**:
              - Description: Length of atm pin
              - Tags: String
            - **BankAccountUniqueId**:
              - Description: Unique Identifier for bank account across banks
              - Tags: String
            - **BankCode**:
              - Description: IIN Code for the bank
              - Tags: String
            - **BankName**:
              - Description: Name of branch in which account is registered
              - Tags: String
            - **Ifsc**:
              - Description: Account IFSC
              - Tags: String
            - **IsPrimary**:
              - Description: Is this account the primary account
              - Value: true / false
              - Tags: String
            - **MaskedAccountNumber**:
              - Description: Account Number with last few digits visible
              - Tags: String
            - **MpinLength**:
              - Description: Length of mpin
              - Tags: String
            - **MpinSet**:
              - Description: Is mpin set
              - Value: true / false
              - Tags: String
            - **Name**:
              - Description: Name of account holder
              - Tags: String
            - **OtpLength**:
              - Description: Length of OTP
              - Tags: String
            - **ReferenceId**:
              - Tags: String
            - **Type**:
              - Description: Type of account
              - Tags: String
          - Tags: String
        - **Vpa**:
          - Description: Vpa of the customer
          - Tags: String
      - Tags: String
  - 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





#### Code Snippets: -

#### Java Code Snippet:

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

#### Kotlin Code Snippet:

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


## 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"}
```



---

## Complete Code Reference

The following code files are referenced in the steps above:

### InappHeadless1.txt

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


---

## See Also

- [Deregister](https://juspay.io/in/docs/upi-tpap-sdk/flutter/headless-process-payloads/deregister)
- [Send Money](https://juspay.io/in/docs/upi-tpap-sdk/flutter/headless-process-payloads/send-money)