The USAspending API provides public access to comprehensive U.S. government spending data, including federal contracts and grants. It helps users understand spending trends and accountability through award and agency breakdowns, as mandated by the DATA Act.
Build apps that explore who the government pays: visual dashboards, grant/contract search tools, or automated data enrichers for procurement research. You can pull award-level records, aggregate spending by agency or geography, or download large archives for analysis. The API needs no key and returns JSON, so it’s easy to prototype and integrate into scripts or dashboards. Be polite with requests and limit concurrent bulk downloads to avoid backend strain.
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