Common Alerting Protocol Validator
Your CAP Document Is Not Valid!
Validation errors will be listed in the Errors tab.
Validate a CAP Alert
Paste your CAP XML Alert in the text area below.
Validate CAP Alert on the Web
Paste a URL to a CAP XML Alert in the text field below.
EPA Airnow EnviroFlash CAP Alerts
Click a link below to view and validate a recent CAP Alert issued by the Environmental Protection Agency's Airnow Enviroflash Alerting Service.
An error occured parsing the submitted CAP XML document
404 Not Found
About CAP
The Common Alerting Protocol (CAP) is a simple, flexible data interchange format for collecting and distributing “all-hazard” safety notifications and emergency warnings over information networks and public alerting systems. It is maintained by OASIS.
About RCAP
RCAP is an implementation of the CAP document protocol in Ruby. It allows for the creation of RCAP messages from Ruby applications and the parsing of external messages.
RCAP currently supports CAP 1.0, 1.1 and 1.2.