All Federal and State Candidates - Contact Data, Biographies, Social Media URLs, Election Details

KnowWho is a trusted source for campaign professionals, consultants, agencies, and developers who need accurate and up-to-date information for federal and state candidates. Our skilled editors keep track of up to 22,000 candidates in an election cycle, including filing deadlines, gathering data, and getting that data to our customers quickly. Whether you sell products or services to candidates or are a web developer looking to build a sample ballot, our reliable and continuously updated data, in several formats, will keep you coming back time and again.

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Candidate Web Service

This subscription option is a web-based API that is easily consumable using JSON or XML. You select the level of service. You control the usage. You control the design. The perfect service for app developers and website enhancements.