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WhoAPI

WhoAPI is an API service for mass requests of domain information like domain registration availability and structured whois data in JSON.

18 Alternatives To WhoAPI

Active Whois Browser

Browse all information for an IP address or domain name with a single click!

AirBrake

Airbrake is the leading exception reporting service, currently providing error tracking.
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BugSnag

Be productive - not all bugs are worth fixing. Experience best-in-class error monitoring for applications across the stack.
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ConnectWise Automate

Solve IT Problems with ConnectWise Automate, Remote Monitoring and Remote Management Software. Visit to boost the effectiveness of your IT teams.‎Try ConnectWise Automate .

DomainTools

Domain name research, including comprehensive Whois Lookup, Reverse Whois Lookup and Whois History.
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Errbit

The open source error catcher that’s Airbrake API compliant

ErrorFeed

Error tracking and exception handling for developers, startups, and freelancers.

Firebase Crashlytics

The most powerful, yet lightest weight crash reporting solution for iOS and Android developers. | Crashlytics
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HoneyBadger

Exception, uptime, and performance monitoring for Ruby.

IP Address and Domain Information

This extension displays detailed information about the current website.

JsonWhois

An API that gathers social and whois data about a domain.

Raygun

Raygun gives developers meaningful insights into problems affecting their applications. Discover issues - Understand the problem - Fix things faster.
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Rollbar

Rollbar collects errors that happen in your application, notifies you, and analyzes them so you can debug and fix them. Ruby, Python, PHP, Node.js, JavaScript, and Flash libraries available.

Stillalive

Porting 2d of valve PORTAL

Velocity

Velocity gives your Windows desktop offline access to over 150 API documentation sets provided by…
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Whois

WHOIS lets you search any generic domain to find out the registered domain owner and related…

WhoisAPI

WhoisAPI is the premier provider of freshly parsed whois data for domain names and IP addresses…
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WhoisThisDomain

Domain name lookup tool that allows you to get information about domain registration from WHOIS server.