Enable developers to add PostNL International 3S tracking functionality easily with robust REST API and webhooks.
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Use Postmen to integrate with PostNL International 3S shipping API to generate shipping labels and calculate rates. Postmen APIs are the best multi-carrier shipping APIs designed for eCommerce developers. It’s 100% free!
The world’s most rigorous standards for managing information security and privacy.
We are GDPR compliant to protect data and privacy in Europe.
Our support team has strong technical knowledge to help you integrate our APIs faster.
Our API client library includes advanced programming languages like PHP, Java, Node.js, Python, .NET, and Ruby.
Integration made easy. We support USPS, FedEx, DHL, UPS, and many other carriers.
AfterShip maintains and delivers 99.90% API uptime for every customer.
AfterShip has everything you need to provide the best PostNL International 3S shipment tracking experience.
Get insightful tracking data in one place to resolve delivery incidents faster.
Provide the best post-purchase experience to drive customer loyalty and additional sales.
Continue engaging customers through seamless post-purchase communications.
Get actionable insights into your post-purchase experience and shipping performance.
Connect AfterShip with other applications easily, including Shopify, Magento, and WooCommerce.
