Newsletter API Addon GPL Overview:
Newsletter API version 1
Newsletter provides an extensive set of functions to interface your custom code with the plugin core features. The API can be accessed programmatically as static methods of the class TNP or via REST calls.
REST API are available installing the free Newsletter API addon (find it on Newsletter addons panel in yout blog or get it on your account page) while the TNP class is always available in the plugin core.
Newsletter API Version 2
On this page, you’ll find a guide through our API Version 2 by use cases. We try to answer the most common questions on how to integrate external systems with the Newsletter plugin using our REST API 2. The REST API 1 are still active and supported but they’re less complete and flexible, so we suggest to migrate as soon as you have the opportunity to review your integration.
About Newsletter – API v1 and v2
Newsletter – API v1 and v2 is a premium WordPress plugin developed by The Newsletter Team. Access programmatically to the Newsletter Plugin via REST API It is distributed under the GPL v2 or later licence, which means you can install it on an unlimited number of websites — including websites you build and manage for your clients.
Compatibility & Requirements
Newsletter – API v1 and v2 requires WordPress 6.1 or later, and has been tested up to WordPress 6.7, and requires PHP 7.4 or higher. We verify every file before it goes live on our store, so you can install with complete confidence. This listing reflects version , updated within 24 hours of the upstream release.
What Does GPL Mean for You?
GPL, or General Public License, is the open-source license that powers WordPress and the entire ecosystem built around it. When a plugin like Newsletter – API v1 and v2 carries a GPL license, you receive the legal right to install it on any number of websites, customise the code to fit your project, and even share it with others. You are paying for the convenience of our hosting, verification, and instant delivery service — not for a restricted seat licence.
Why Download from digitalgpl
- Latest version guaranteed – Newsletter – API v1 and v2 matches the most recent upstream release.
- Unlimited domain usage – Personal sites, client projects, and staging servers are all covered.
- Instant delivery, 24×7 – Your download link arrives immediately after payment, day or night.
- Verified before listing – Every file is tested for clean installation and conflict-free activation.
- Encrypted checkout – Payments are processed through 256-bit SSL secured gateways.
- No renewal fees – One payment covers you indefinitely. No subscriptions, no surprises.
Common Questions Answered
Is Newsletter – API v1 and v2 compatible with my WordPress version?
Absolutely. Newsletter – API v1 and v2 is fully tested through WordPress 6.7. We update our compatibility notes with every new version.
Am I allowed to use this on websites I build for clients?
Yes, completely. Under the GPL v2 or later licence, there are no restrictions on how many websites you can install Newsletter – API v1 and v2 on, including commercial projects.
My server runs PHP 7.4. Will this work?
Newsletter – API v1 and v2 requires PHP 7.4 as a minimum. Most shared hosting plans already run this version or higher.
Will I receive new versions when the developer releases them?
We monitor releases from The Newsletter Team continuously. Once a new version is available, we verify and list it — and your account lets you re-download at any time for free.
Has this file been modified from the original?
No. The file is the genuine GPL release of Newsletter – API v1 and v2 — identical to what The Newsletter Team publishes. Nothing has been altered.
Official developer page: https://www.thenewsletterplugin.com/documentation/developers/newsletter-api-2
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