Here are some URLs of domain Search API.
These are some of paid and some are trail
http://xml-api.domaintools.com/
http://www.dynadot.com/domain/api.html
http://www.101domain.com/domain_api_reseller_program.htm
Here are some URLs of domain Search API.
These are some of paid and some are trail
http://xml-api.domaintools.com/
http://www.dynadot.com/domain/api.html
http://www.101domain.com/domain_api_reseller_program.htm