> ## Documentation Index
> Fetch the complete documentation index at: https://razorpay-60c89f9a-mintlify-audit-missing-sections-1778528421.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Accounts Management

> Razorpay's TPAP Pro - Funds and Accounts Management APIs let you add more accounts, delete existing accounts, and change PINs for accounts for hassle-free transactions.

Below are the steps to integrate TPAP Pro. You can also refer to our comprehensive [TPAP Pro integration guide](/payments/tpap-pro/integration-guide).

<Steps>
  <Step title="[Customer Onboarding](/api/payments/tpap-pro/customer-onboarding)">
    [Customer Onboarding](/api/payments/tpap-pro/customer-onboarding)
  </Step>

  <Step title="Manage Funds and Account">
    Manage Funds and Account
  </Step>

  <Step title="[Payments](/api/payments/tpap-pro/payments-flow)">
    [Payments](/api/payments/tpap-pro/payments-flow)
  </Step>

  <Step title="[Mandates](/api/payments/tpap-pro/mandate-flow)">
    [Mandates](/api/payments/tpap-pro/mandate-flow)
  </Step>

  <Step title="[Complaints](/api/payments/tpap-pro/complaints-flow)">
    [Complaints](/api/payments/tpap-pro/complaints-flow)
  </Step>

  <Step title="[UPI Numbers](/api/payments/tpap-pro/upi-number)">
    [UPI Numbers](/api/payments/tpap-pro/upi-number)
  </Step>

  <Step title="[UPI Lite](/api/payments/tpap-pro/fundsource-lite)">
    [UPI Lite](/api/payments/tpap-pro/fundsource-lite)
  </Step>
</Steps>

### Related Guides

[About TPAP Pro](/payments/tpap-pro)
[Integrate With TPAP Pro](/payments/tpap-pro/integration-guide)

### Endpoints

* **patch** `/v1/upi/tpap/fundsources/:id/upi_pin?expand[]=vpas` - Change UPI PIN:
  Changes the UPI PIN.

* **patch** `/v1/upi/tpap/vpa` - Set the Primary Payment Source:
  Sets the primary payment source.

* **post** `/v1/upi/tpap/fundsources/:fundsource_id/balance` - Check Balance of a Payment Source:
  Checks the balance of the payment source.

* **post** `/v1/upi/tpap/devices/deregister` - De-register Devices:
  De-registers the device.

* **get** `/v1/upi/tpap/vpas?status=”active”&skip=0&count=10` - Fetch VPAs:
  Retrieves the list of VPAs.

* **delete** `/v1/upi/tpap/vpa?vpa=anitha@okhdfcbank` - Delete VPAs:
  Checks if the VPA is available.