# How to configure SFMC integration

This how-to explains how to insert a block of **dynamic product recommendations** into an SFMC (Salesforce Marketing Cloud) email by calling the Reco & Merch API from AB Tasty. This enables showing personalized products in real time, at the moment the email is opened.

{% hint style="info" %}
The SFMC integration is done via **API**. There is currently no dedicated cartridge available.
{% endhint %}

### Prerequisites

* Access to **Content Builder** in SFMC.
* A **Reco & Merch template** already configured on AB Tasty.
* A valid **Bearer Token** provided by AB Tasty.
* Required variables available in your **Data Extension** (e.g. `EmailAddr`, `CodeEAN`).

{% stepper %}
{% step %}

### Connect SFMC to Reco & Merch

1. Go to **Settings > Integrations** in your AB Tasty Reco & Merch interface.
2. Click **Connect SFMC**.
3. A pop-up window will open to authenticate your SFMC account.
4. Once the connection is successful, your workspace will be linked to SFMC.

<figure><img src="/files/QJlAtmgScegkJZhy6FES" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/WkZFuSKkXJgDgvBsQljx" alt=""><figcaption></figcaption></figure>
{% endstep %}

{% step %}

### Deploy a recommendation in your email

Now you can deploy a recommendation in SFMC.&#x20;

{% embed url="<https://docs.abtasty.com/~/revisions/GC5NNyAZNIhN8XxZ5KK5/recommendations-and-merchandising-1/how-tos/deploy-a-strategy/how-to-deploy-a-recommendation-strategy-on-web/how-to-use-recommendations-in-emails-campaign/how-to-deploy-recommendation-with-sfmc>" %}
{% endstep %}
{% endstepper %}

### Notes on SFMC&#x20;

Below are some notes on SFMC

**Performance**

* Every email open triggers a live API call.
* High-volume sends (500k+ subscribers) = high API traffic.
* Ensure AB Tasty API quota is sufficient.

**Fallback**

* If the API fails, the block may be empty.
* Always define a static fallback (e.g. “Top Sellers” block).

**Security**

* The **Bearer Token** is sensitive.
* Rotate it regularly and avoid exposing it in shared snippets.
* For extra safety, use a proxy to hide the token.

**Data Extension alignment**

* Verify all fields (`CodeEAN`, `EmailAddr`) exist for every subscriber.
* If missing, the API call URL will be invalid → “400 Bad Request” errors.

**Rendering**

* Always test in **Preview & Test** with real subscriber profiles.
* Validate rendering across multiple email clients (Gmail, Outlook, Mobile).


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