To get started check out the API Overview. Below is the documentation for each type of API call you can make. https://coinbase.com/api/doc

isup is a command line utility to check if a site is up or down. Type 'isup -h' to see the help page.

Library which allows you to check and sanitize you environment variables, raising exception if required variables are not configured, type-casting non-string variables and exposing them using an idiomatic API.

Taipo provides a simple way to check your variables are what you think they are. With an easy to use syntax you can call a single method and pass expressive type definitions.

The MessageMedia Lookups API provides a number of endpoints for validating the phone numbers you’re sending to by checking their validity, type and carrier records.

Executable to be used with NotificationExec in collectd. It will send several passive checks, from specific to general plugin-type.

A collection of diverse simple utilities without much anything to do with one another. The main rationale is to reduce the time spent on boilerplate like checking whether the arguments have the right type, or introducing some basic internationalization. More detail in the README.

a Rails gem that allows you to validate a URL entered in a form. It validates if the URL exists by hitting it with a HEAD request. The improved version includes retries for common patterns when the head request is refused before giving a failure notice. It also looks up a SITE_URL constant to...

Create and manage configuration files in Ruby for Ruby. Jeckyl can be used to create a parameters hash from a simple config file written in Ruby, having run whatever checks you want on the file to ensure the values passed in are valid. All you need to do is define a class inheriting from Jeckyl...

The code to check for the iPhone user agent is from http://developer.apple.com. This doesn't have any dependencies. - in app/controllers/application.rb require 'is_it_iphone' class ApplicationController < ActionController::Base include IsItIPhone before_filter :adjust_format_for_iphone # Al...