For Developers & Consultants

Browse KnowWho services for internal and third-party developers and consultants. Leverage our data in your own custom solutions using the products listed below.

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Data Services

Congress Data Service

FedExec Data Service

State Legislators Data Service

State Executives Data Service

County Data Service

Municipal Data Service

Candidate Data Service

Congress 9-digit ZIP Code Data Service

State 9-digit ZIP Code Data Service

County 9-digit ZIP Code Data Service

Municipal 9-digit ZIP Code Data Service
 

Web Services

Federal Candidate Web Service