> ## Documentation Index
> Fetch the complete documentation index at: https://help.adrop.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Payment Management

> In the `Settings > Payment` tab, register business info and manage card payment methods. Registering ahead lets the booking screen auto-fill them for a faster flow.

## Business info

Register the business info required for tax invoice issuance. This info is auto-filled in Step 3 of campaign booking.

### Registration items

| Item                                  | Description                                           |
| ------------------------------------- | ----------------------------------------------------- |
| **Business name**                     | Legal name or trade name on the business registration |
| **Business registration number**      | 10-digit number                                       |
| **Business registration certificate** | Upload as an image file                               |
| **Billing Email**                     | Default recipient when issuing tax invoices           |
| **Billing CC**                        | Additional recipient for tax invoices (optional)      |

### How to register

<Steps>
  <Step title="Open the tab">
    Go to `Settings > Payment`.
  </Step>

  <Step title="Enter info">
    Fill in each field and upload the business registration certificate.
  </Step>

  <Step title="Save">
    Click `Save`.
  </Step>
</Steps>

<Note>
  Business info can be edited at any time. However, info on already-issued tax invoices does not change retroactively.
</Note>

***

## Payment methods

Registering a card lets you pay up-front when booking campaigns. Unspent card payments are refunded automatically.

### Supported payment services

| Service          | For                        |
| ---------------- | -------------------------- |
| **TossPayments** | Cards issued in Korea      |
| **Stripe**       | Cards issued outside Korea |

### Add a card

<Steps>
  <Step title="Start adding a card">
    In `Settings > Payment`, click `Add Card`.
  </Step>

  <Step title="Enter card info">
    Enter card number, expiry, and CVC.
  </Step>

  <Step title="Complete">
    Once registered, the card is added to your card list.
  </Step>
</Steps>

### Set a default card

If you register multiple cards, set one as the default.

* The default card is pre-selected as the payment method at booking.
* You can switch to another card in Step 3 of booking.

### Delete a card

You can delete cards you no longer use.

* A card being used by an active campaign cannot be deleted.
* Deleted cards cannot be restored.

***

## Payment flow

The end-to-end flow when a campaign is booked with card payment.

```
Add card (Settings > Payment)
   ↓
Campaign booking Step 3: select the registered card
   ↓
Card is charged at the time of review request
   ↓
Campaign runs: cost deducted based on impressions/clicks
   ↓
Campaign ends: final settlement
   ↓
Unspent budget refunded automatically
```

### Refund policy

| Billing type       | Refund basis                                                                             |
| ------------------ | ---------------------------------------------------------------------------------------- |
| **CPM**            | Settled based on actual impressions; unspent portion of the budget is partially refunded |
| **CPC**            | Settled based on actual clicks; unspent portion of the budget is partially refunded      |
| **Manual payment** | Individually negotiated between advertiser and publisher                                 |

***

## Next steps

<CardGroup cols={2}>
  <Card title="Ad Account Management" icon="id-card" href="/settings/ad-account">
    Manage account name, region, language, and more.
  </Card>

  <Card title="Member Management" icon="user-plus" href="/settings/member">
    Share team payment info via payment profiles.
  </Card>

  <Card title="Campaign Booking Guide" icon="calendar-plus" href="/campaign/booking">
    Book campaigns with the payment info you registered.
  </Card>
</CardGroup>