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Where to find the MailerLite API key, Group ID, and documentation

API (application-programming interface) is a set of programming instructions for accessing information in a web application. In other words, API allows two separate apps to share information with each other. 

For example, MailerLite uses API to receive and send data between MailerLite and Shopify when users install the Shopify integration.

MailerLite users can access our API documentation in order to build their own integrations, or choose from over 100 pre-developed integrations and install them using an API key.

  1. Head to the Integrations page, which you can find on the lefthand sidebar.

  2. Click the Use button under MailerLite API.

On the Developer API pageyou will find all the information you need regarding API, including:

  • The MailerLite API token - Unique to each account, it is used to connect your MailerLite account with another integration.

  • MailerLite JSON API - Provides access to our API documentation for all the information available for developing your own integration.

You may need your Group ID for various API calls. Each group in your account will have a different identification number, which you can find by using the api call to list all groups. The Group IDs for each list can be found in the response.

API (application-programming interface) is a set of programming instructions for accessing information in a web application. In other words, API allows two separate apps to share information with each other. 

For example, MailerLite uses API to receive and send data between MailerLite and Shopify when users install the Shopify integration.

MailerLite users can access our API documentation in order to build their own integrations, or choose from over 100 pre-developed integrations and install them using an API key.

Where to get MailerLite API key

  1. Use the right-hand dropdown menu to navigate to Integrations.

  1. Click the Use button next to Developer API.

On the Developer API page, you will find all the information you need regarding API including:

  • The Mailerlite API key - this is used when installing existing integrations

  • Access to API documentation - view our API documentation for all the information available for developing your own integration

  • Subscriber groups -  Under Subscriber groups you will find a list of your existing subscriber groups in MailerLite and their unique IDs

  • An example with PHP - you can find more examples in our API documentation

You may need your Group ID for various API calls. Each group in your account will have a different identification number, which you can find by using the api call to list all groups. The Group IDs for each list can be found in the response.

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