
ipinfo.io
ipstack
ipgeolocation.io
IP-API.com
ipdata.co
ipwhois.io
IP2Location
Web analytics with IP address lookup and location API

StackMail
A self-hosted, unified webmail client. Connect multiple IMAP/SMTP accounts and manage them all in one clean interface.

Which is more popular?
Based on our record, ipapi seems to be more popular. It has been mentioned 21 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | ipapi.co | mailflow.sh |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Developers, businesses, and organizations seeking to enhance their applications with IP geolocation services. It's especially beneficial for projects involving fraud prevention, targeted content delivery, marketing analysis, and user experience customization.
No analysis of Mailflow.sh yet.
Walkthroughs and reviews on video.
How to use the Ipapi API to find information about IP addresses
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using ipapi and Mailflow.sh. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


// API 1: ip-api.com (free, no key needed, 45 req/min) $response = $http->get("http://ip-api.com/json/{$ip}?fields=proxy,hosting"); If (!empty($data['proxy']) || !empty($data['hosting'])) { return true; // VPN/Proxy detected } //... - Source: dev.to / 10 months ago
IPapi - Service that provides you an info about an IP address. - Source: dev.to / over 2 years ago
Ipapi - IP Address Location API by Kloudend, Inc - A reliable geolocation API built on AWS, trusted by Fortune 500. The free tier offers 30k lookups/month (1k/day) without signup. - Source: dev.to / over 2 years ago
Tracking Mailflow.sh since Aug 2026.
When comparing ipapi and Mailflow.sh, you can also consider the following products.


Stackmail is a webmail service whereby you can log in to your emails from any browser at any time!
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ipstack is a free, real-time IP address to location JSON API and database service supporting IPv4 and IPv6 lookup.
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Free IP Geolocation API and Accurate GeoIP Lookup Location Database
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Free IP Geolocation API - lookup any IP address
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Get the Geolocation, Organisation, Currency, Timezone, Calling Code, Flag, Proxy, Tor and Threat intelligence data from any IPv4 or IPv6 address.
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