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

# Atome via Direct Integration

> Let customers securely make payments using Atome on your website or mobile application via Primer's direct integration.

Atome is a buy now, pay later mobile app that splits a customer’s transaction into three equal payments over three months. Buy now, pay later solutions are shown to drive higher order values and attract new customers

| One-Off Payment | Refunds |
| --------------- | ------- |
| Yes             | Yes     |

## Get started with Atome

### Before you begin

If this is your first payment method, make sure to follow the [Get started guide](/get-started/overview) to begin processing payments with Primer.

### Configure in the Dashboard

1. **Add Atome to your Dashboard**\
   Go to the [Connections](/connections/payment-methods) section of the Dashboard and look for `Atome`.
   Follow the instructions to connect your Atome account to your Primer Dashboard.

2. **Activate Atome on the Checkout**\
   Go to the [Checkout](/checkout) section of the Dashboard and activate the Atome payment method.

3. **Configure a Workflow to process payments made with Atome**\
   Go to the [Workflow](/workflows), set up the **Authorization** step to process APMs. No need to add **Capture**. Finish the workflow with a **Continue payment flow** action.

### Prepare the client session

Atome  leverages the following parameters to process a payment.

Pass them when creating the client session.

| Parameter Name                                                                                                                                                                                                                    | Required | Description                                                                                                                 |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------- | --------------------------------------------------------------------------------------------------------------------------- |
| [currencyCode](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-currency-code)                                                                                                               | ✓        | 3-letter currency code in [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217#Active_codes) format, e.g. `USD` for US dollars |
| [order](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-order) <br /> ↳ [lineItems](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-order-line-items) | ✓        | Details of the line items of the order                                                                                      |

## Add Atome into your website or mobile app

<Note>
  There is currently no specific SDK integration guide available. Please refer to the [Configure your checkout guide](/checkout/checkout-builder#configure-your-checkout) for guidance.
</Note>