Cricscore
Cricscore provides Cricscore API to fetch scores programmatically.

Cricscore API

Cricscore API is highly optimised to provide near real time live cricket scores. Cricscore API provides RESTful service to retrieve scores of live cricket matches. It is the easiest way to fetch live cricket scores programmatically.

API Reference

List all available matches.

Request 
GET /csa HTTP/1.1
Host: cricscore-api.appspot.com
Use this to fetch list of all available matches.
Response 
HTTP/1.1 200 OK
Content-Type: application/json

[{"id":631136,"t2":"Kenya","t1":"Scotland"},{"id":585683,"t2":"England XI","t1":"Essex"},{"id":593618,"t2":"Worcestershire","t1":"Gloucestershire"},{"id":593617,"t2":"Sussex","t1":"Middlesex"},{"id":593615,"t2":"Durham","t1":"Yorkshire"},{"id":593616,"t2":"Surrey","t1":"Kent"},{"id":597924,"t2":"India","t1":"West Indies"}]

Get/Update score for single match.

Request 
GET /csa?id=597924 HTTP/1.1
Host: cricscore-api.appspot.com
If-Modified-Since:Sun, 30 Jun 2013 23:58:22 IST
Use this to get/update score of a particular match.
Use If-Modified-Since header when updating.
Response (scored changed) 
HTTP/1.1 200 OK
Content-Type: application/json
Last-Modified: Mon, 01 Jul 2013 00:34:12 IST

[{"de":"WI 25/2 (3.1 ov, J Charles 12*, UT Yadav 2/7)","id":597924,"si":"West Indies 25/1 * v India 229/7"}]
Response (no change) 
HTTP/1.1 304 Not Modified

Get/Update scores for multiple matches.

Request 
GET /csa?id=631136+585683 HTTP/1.1
Host: cricscore-api.appspot.com
If-Modified-Since:Sun, 30 Jun 2013 23:58:22 IST
Use this to get scores of multiple matches.
Response (all matches changed) 
HTTP/1.1 200 OK
Content-Type: application/json
Last-Modified: Mon, 01 Jul 2013 00:48:02 IST

[{"de":"Kenya 230 (49.1 ov, JO Ngoche 1*, NM Carter 1/49) - Match over","id":631136,"si":"Scotland 242/4 v Kenya 230/10 *"},{"de":"EngXI 328/7 (90.0 ov, GP Swann 62*, TT Bresnan 55*, DD Masters 0/54) - Stumps","id":585683,"si":"Essex v England XI 328/7 *"}]
Response (few matches changed) 
HTTP/1.1 200 OK
Content-Type: application/json
Last-Modified: Mon, 01 Jul 2013 00:51:00 IST

[{"de":"WI 27/3 (6.3 ov, J Charles 12*, DM Bravo 0*, B Kumar 1/18)","id":597924,"si":"West Indies 26/3 * v India 229/7"}]
Response (no change) 
HTTP/1.1 304 Not Modified