> ## 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.

# Cetelem via Monext

> Let customers securely make payments using Cetelem via Monext on your website or mobile application.

| One-Off Payment | Refunds |
| --------------- | ------- |
| ✓               | ✓       |

## Get started with Cetelem via Monext

### 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 Cetelem payment method to your Monext account**\
   Go to your Monext account and add the payment method Cetelem.

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

3. **Activate Cetelem on the Checkout**\
   Go to the [Checkout](/checkout) section of the Dashboard and activate the Cetelem payment method.
   Then go to the settings view of Cetelem, and make sure that Cetelem is properly set up to use your Monext processor account.

4. **Configure a Workflow to process payments made with Cetelem**\
   Go to the [Workflow](/workflows) make sure your Monext processor is used to process payments made with Cetelem.
   Set up the **Authorization** step only.

### Prepare the client session

Cetelem via Monext 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                                                                                      |
| [metadata](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-metadata) <br /> ↳ [monext\_contracts](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-metadata-monext-contracts) <br /> ↳ [CETELEM](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session)      | ✓        | The e-commerce contract code or number                                                                                      |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [emailAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)                                                                                                                             | ✓        | Buyer's email address                                                                                                       |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [mobileNumber](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)                                                                                                                             | ✓        | The mobile number of the buyer                                                                                              |
| [metadata](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-metadata) <br /> ↳ [buyer\_title](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-metadata-buyer-title)                                                                                                                 | ✓        | Title of civility, [See the table of values](https://docs.monext.fr/display/DT/Codes+-+Title)                               |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [billingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [firstName](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)      | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [billingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [lastName](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)       | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [billingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [addressLine1](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)   | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [billingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [city](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)           | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [billingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [countryCode](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)    | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [billingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [postalCode](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)     | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [shippingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [firstName](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)     | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [shippingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [lastName](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)      | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [shippingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [addressLine1](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer1) | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [shippingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [city](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)          | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [shippingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [countryCode](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)   | ✓        |                                                                                                                             |
| [customer](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [shippingAddress](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer) <br /> ↳ [postalCode](/api-reference/v2.4/api-reference/client-session-api/create-a-client-session#response-customer)    | ✓        |                                                                                                                             |

## Add Cetelem via Monext into your website or mobile app

<CardGroup>
  <Card title="Drop-in UI" href="/connections/payment-methods/cetelem/dropin">
    Use our customizable drop-in UI to quickly add payment methods to your checkout.
  </Card>

  <Card title="Headless Checkout" href="/connections/payment-methods/cetelem/headless">
    Have the freedom to build your own UI using our headless checkout.
  </Card>
</CardGroup>