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Explore NIH Grant Opportunities API

Published by Office of Extramural Research (OER) | U.S. Department of Health & Human Services | Catalog Last Checked: October 13, 2026 at 06:11 PM
Structured data used by the NIH grant-opportunity search tool, including opportunity records and searchable metadata such as activity codes, participating organizations, dates, document types, and clinical-trial indicators.

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