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NIH RePORTER API v2 boundary

Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for NIH RePORTER API v2.

version 1.0.0freshness currentobserved 2026-08-27T09:30:00Z

resource.public-data.nih-reporter-api-v2
sha256:caa5455ea7ea199b5796a8eee3a2bdf5a57a006bd855af6bf42de8f7c73ae37d

Open canonical machine JSON →

Evidence-backed facts

  1. NIH RePORTER API v2 exposes scientific award, project, and publication data from NIH and participating federal agencies through JSON endpoints. informative
  2. Project searches use structured POST criteria, an offset no greater than 14,999, a maximum limit of 500, and optional search identifiers for subsequent retrieval. informative
  3. NIH recommends no more than one request per second and off-peak scheduling for large jobs, so clients need pacing, paging, and bounded queries. informative
  4. Award and publication records describe administrative and linked research data and do not prove scientific merit, project outcomes, causal impact, or a complete funding history. informative

Primary sources

NIH RePORTER API

U.S. National Institutes of Health · observed 2026-08-27T09:30:00Z