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ProPublica Congress

Congressional ProPublica API Returns: attendance data held by official Congressional data sources, current and former Congressional membership data, summaries and details of standard invoices, data excerpts (excluding military appointments) and various additional information, including numbers by state; and committee and commission lists. Most of ProPublica's Congress API data is updated daily, votes are updated every 30 minutes. Use of this API is under the Creative Commons Attribution-Noncommercial-No Derivations 3.0 license from the United States.

Additional usage fees may be charged from business users. This is a RESTful API with API key authentication model. Note: As of August 2017, ProPublica Congress API has replaced Sunlight Labs Congress API..

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