Guides & insights
Tutorials, deep-dives, and practical tips on IP geolocation, ASNs, and networking - from the team behind The IP API.
IP Reputation and Email Deliverability: Why Your Sending IP Matters
The IP address your application sends mail from carries a reputation that can quietly land your signup, OTP, and password-reset emails in spam. Here is how sending-IP reputation, ASNs, and blocklists work, how to inspect them, and how to test that your email actually arrives.
IP Lookup Skill: Claude Code, Codex, and OpenCode
Install one SKILL.md file to give Claude Code, Codex, and OpenCode IP geolocation, ASN ownership, batch lookup, and VPN/datacenter detection.
Introducing the Batch IP Geolocation API
Need to look up geolocation data for hundreds of IPs at once? Our new Batch API lets you resolve up to 100 IP addresses in a single request - with automatic deduplication, parallel processing, and per-IP error handling. Learn how to use it and why it can drastically simplify your workflows.
How SaaS Teams Use IP Geolocation to Improve UX, Security, and Conversion
If you're building a SaaS product, every edge counts. Faster onboarding, tighter security, better personalization - all of it adds up. One low-effort, high-impact tool? **IP geolocation.**
Geolocation for E-commerce: Enhancing User Experience and Boosting Conversions with IP-based Geolocation
In today's competitive e-commerce landscape, providing a personalized and seamless shopping experience is critical for attracting and retaining customers. One powerful tool that e-commerce businesses can leverage to achieve this is IP-based geolocation. By understanding a user's approximate location based on their IP address, you can unlock a wealth of opportunities to enhance the user experience, boost conversions, and drive revenue.
Beyond the Map: Creative Uses of IP Geolocation You Haven't Considered
We often think of IP geolocation as just a way to show a user's location on a map. And while that's certainly a useful application, the power of knowing where your users are (or at least, where their internet connection seems to be!) goes far beyond simple mapping.