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Newsletter – API v1 and v2

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Newsletter – API v1 and v2 is a lightweight WordPress add-on that connects your Newsletter plugin to external apps and services with secure, RESTful endpoints. It streamlines subscriber sync, campaign automation, and data integrations while keeping performance fast and setup simple.

  • Supports both API v1 and v2 for maximum compatibility
  • Secure REST endpoints with API keys and permissions
  • Create, update, and delete subscribers remotely
  • Sync subscriber lists, status, and custom fields
  • Trigger newsletter sends and automations via API
  • Fetch campaign stats: opens, clicks, bounces
  • Import/export subscribers programmatically
  • Webhooks for real-time event notifications
  • JSON responses optimized for speed
  • Rate limiting and request validation
  • Works with popular CRM and marketing tools
  • Developer-friendly endpoints and examples
  • Multisite-ready and GDPR aware
  • Granular access roles for API actions
  • Easy setup with clear settings and logs

Version

2.3.9
We always carry the latest version, but if we are missing it, please report outdated

Updated on

10/15/2025

Status

Activated (original)
Fully working by default. However, if any features don’t work, please fill out this form and let us know to replace the file.

Uploaded by

Loyalty World Shop
A lucky vendor already claimed this item and now earns on every sale. If you have a valid license key to another item, claim it as a vendor to start earning.

Product URL

https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2/

Developer

The Newsletter Team

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  • Newsletter – API v1 and v2
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  • Over 12,000 plugins & themes
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Additional info

License:

GPL

Categories:

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Tags:

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How to Install or UpdateNewsletter – API v1 and v2

1.

After checkout, download the Newsletter – API v1 and v2 plugin and navigate to Plugins -> Add Plugin.

2.

Click on the Upload Plugin button.

3.

Select the plugin you downloaded, and then click “Install Now.”
How to install plugins

1.

Activate our Plugin Manager on your website, and go to the Plugins For WP tab.

2.

Click on the Purchased tab to view your products.

3.

Click Install on Newsletter – API v1 and v2.
How to install with the Plugin Manager

Why Download Newsletter – API v1 and v2 From Us?

  • Original Product - We downloaded Newsletter – API v1 and v2 directly from the official author.
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Newsletter – API v1 and v2 - Frequently Asked Questions

How can we sell Newsletter – API v1 and v2 for such a low price?

All WordPress plugins and themes, are licensed under the General Public License (GPL). This means that once we have purchased an item, we are free to redistribute it if we choose to do so. It is perfectly fine and legal for us to sell it to you for an amazing price!

How many sites can I use the Newsletter – API v1 and v2 on?

Unlimited. The plugins and themes are GPL-licensed, and you can use them as often as you need to, on however many sites you choose.

Do you provide updates to the products?

Yes! We provide free updates for all the items for the first 12 months.

How do I update a plugin or theme?

Updating the plugins and themes is super easy and can be done with a click of a button from inside your website’s dashboard. Alternatively, you can download the item to your computer and upload it to your website manually.

Do you provide license keys for the plugins/themes?

We do not provide license keys for the plugins, but all features should work without issues. These plugins are fully functional as-is (unless mentioned otherwise) and do not require activation for core functionality.

Will the plugin and themes work without a license key?

Yes, it will! All the plugins and themes, including the premium features of the items, will work without a license key. The license keys are only provided by the companies for updates and support. If, for some reason, you have any problem with any of the products, you’re fully backed by our 30-day money-back refund policy.