Api to update Supplier and Supplier site information

I need to perform mass update of supplier information like :

Supplier Name,

Alternate Supplier Name,

Tax Payer ID (num_1099),

Supplier Status,

Supplier SITE Name,

Address1,

Address2,Address3,

Address4,

City,

County,

State,

Zip,

Country,

Voice,

Fax,

Site Uses,

Payment Terms.

I need to know if any API's (Patches) are available to perform update on above columns.