flipacoinapi.com is a free API for flipping a coin.
API Usage
JSON
Retrieve a random coin flip in JSON format.
GET http://flipacoinapi.com/json
Using curl
$ curl http://flipacoinapi.com/json
Example response:
"Heads"
XML
Retrieve a random coin flip in XML format.
GET http://flipacoinapi.com/xml
Using curl
$ curl http://flipacoinapi.com/xml
Example response:
<coin>Heads</coin>
Plain Text
Retrieve a random coin flip in plain text.
GET http://flipacoinapi.com/txt
Using curl
$ curl http://flipacoinapi.com/txt
Example response:
Heads
Custom Responses
The response can be modified using URL query parameters.
The h query parameter can be used to specify the 'Heads' value while the t parameter can be used to specify the 'Tails' value.
JSON
Example usage:
GET http://flipacoinapi.com/json?h=red&t=blue
Example response:
"red"
XML
Example usage:
GET http://flipacoinapi.com/xml?h=red&t=blue
Example response:
<coin>red</coin>
Plain Text
Example usage:
GET http://flipacoinapi.com/txt?h=red&t=blue
Example response:
red