IPstack API is the trusted choice for thousands of developers and businesses worldwide, delivering a fast and reliable JSON IP API. With global coverage spanning over 200,000 cities, 99.9% uptime, and enterprise-grade reliability, it’s built to scale—whether you're running a small project or a large-scale application.

From accurate geolocation to detailed IP intelligence, IPstack powers mission-critical apps across industries. We offer detailed documentation and a free tier to help you get started quickly.

Choose from flexible pricing plans—Free, Professional, or Enterprise—or reach out for a custom solution. Our support team is ready to help you every step of the way.

API Documentation

IPstack offers a powerful, real-time IP-to-geolocation API that looks up accurate location data and assesses security threats originating from risky IP addresses. Results are delivered within milliseconds in JSON or XML format. Using the IPstack API, you can identify website visitors at a glance and adjust your user experience and application accordingly.

This documentation provides a detailed overview of API features, available options, and integration guides across various programming languages.