How to Connect Convertful with Sendy

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You can easily connect Convertful widgets with Sendy to grow your mailing lists and create email automations. Follow our step-by-step guide on how to integrate Sendy with Convertful.

Step 1: Choose Sendy Integration #

When editing a widget, go to Success Actions tab, press the Add Integration button, and choose Sendy from the dropdown list:


You can add a new Sendy account by filling in its credentials:


Account Name is an internal value that you will be able to use to identify this particular account in account lists.

Sendy Resource URL is the URL address of your website with the Sendy installed.

Step 2: Get your Sendy Account API Key and List ID #

To find your Account API Key go to your Sendy Settings section. Here you can see the cell where you can copy API key from. If there are no keys, you can Regenerate API Key to have one:


To find your List ID pick the relevant brand, then press View all lists link and point your mouse cursor at the ID column of the list that you need. Here you can see the cell where you can copy your list ID from:


Step 3: Enter your Account API Key and List ID #

Now you got all the data you need. Fill the credentials and press the Connect with Sendy button:


If both the API Key and the List ID are correct, Convertful will connect to your Sendy account. Once finished, don’t forget to save the changes (using the Save Changes button in the top right corner).

Integration complete! Now all subscribers who opted-in using this widget will be added to your Sendy list.

If you want to create additional fields and marks for subscribers, who opted-in with this widget, you may specify the Advanced Settings (described below).

Advanced Settings #

Marking Subscribers #

You may want to mark subscribers, that opted-in using the current widget, in your Sendy list for purposes like: personalized offers, targeted mailing campaigns, conversion rate analysis etc. Convertful provides a simple solution for it.

Select the input fields of your widget to open their settings and add a new Custom Hidden Data field:


Click this new field and fill in the custom field name and its value:


  • Custom Field Name is the name of the custom field from your Sendy list, that will be used for marking subscribers. If you don't have any custom fields in your list you can create one in your Sendy account, as described in the Note below.
  • Custom Field Value defines the value that will be used for the specified field.

Once finished, don’t forget to save the changes (using the Save Changes button in the top right corner).

After this, each visitor subscribing with this widget will get the specified custom field value (a mark) in your Sendy list.

Note: How to Create a Custom Field in your Sendy List #

To create a new custom field go to your Sendy account, choose the brand, click the View all lists link and pick the relevant list:


Next click the Custom fields button:


Here you see the table with existing custom fields and can create a new one by filling in the Field name, choosing the Data type, and pressing the Add custom field button:


The first part of field's Personalization Tag is an attribute that is used as a Custom Field Name for marking subscribers. 

For example, for personalization tag: [Campaign_1,fallback=] , custom field name would be: Campaign_1.

Sendy Version 3.0.7 and Higher #

Starting from Sendy version 3.0.7,  you can send agreement checkbox related to General Data Protection Regulation (GDPR) and apply the relevant tag in the Sendy's list interface. To use this feature, add the agreement checkbox field to your Convertful widget and specify the 'gdpr' name for it: