- What Is NIH RePORTER?
- How to Search NIH RePORTER: Quick Search vs Advanced Search
- Using the NIH RePORTER API for Programmatic Analysis
- Common Questions About NIH RePORTER
- Why This Matters for Research Administrators
- Looking Ahead
NIH RePORTER (Research Portfolio Online Reporting Tools Expenditures and Results) is the free public database and API through which the U.S. National Institutes of Health discloses its funded research portfolio. For research administrators running portfolio analysis, competitor intelligence, or funding prospecting, it is the single most important primary source for federal biomedical grant data — and one that is routinely underused because its filter logic and API are not self-explanatory.
This guide is a practical walkthrough, not a policy explainer: how to search by principal investigator, how to build precise advanced-search queries, and how to pull structured award data programmatically via the API.
What Is NIH RePORTER?
NIH RePORTER (reporter.nih.gov) replaced the legacy RePORT system as NIH’s primary award-transparency tool. It indexes project records — abstracts, budgets, principal investigators, awarding institute, and public health relevance statements — alongside the publications, patents, and clinical trials those awards produced.
The database is broader than its name suggests. Alongside NIH’s 27 Institutes and Centers, RePORTER also carries award data for several other Public Health Service funders, including the Centers for Disease Control and Prevention (CDC), the Agency for Healthcare Research and Quality (AHRQ), the Health Resources and Services Administration (HRSA), the Administration for Children and Families (ACF), and the Department of Veterans Affairs (VA). That makes it a de facto federal biomedical-funding index, not just an NIH tool.
A companion service, ExPORTER, provides scheduled bulk downloads (CSV and flat-file formats) of the same underlying data for users who need to build local datasets rather than query interactively.
How to Search NIH RePORTER: Quick Search vs Advanced Search
RePORTER offers three distinct entry points, and choosing the right one saves significant time.
| Tool | Best for | Key inputs |
|---|---|---|
| Quick Search | Fast lookups when you already know a name, term, or project number | Free text, PI name, project number, fiscal year |
| Advanced Search | Structured portfolio queries with multiple constraints | Boolean text fields, activity code, IC, mechanism, org, geography |
| Matchmaker | Finding comparable funded projects from an abstract or specific aims | Pasted abstract text; returns similar projects, study sections, program officials |
Advanced Search filters worth knowing
The Advanced Search form supports Boolean operators (AND, OR, NOT) across several filter groups. The ones administrators use most often for portfolio and competitor analysis are:
- Fiscal Year — single year or a range, for trend analysis across award cycles
- Agency / Institute or Center (IC) — narrows to a specific NIH IC (e.g. NCI, NIAID) or non-NIH PHS agency
- Activity Code — the grant mechanism (R01, U01, K award series, SBIR/STTR, etc.)
- Organisation — recipient institution, useful for benchmarking a peer institution’s award volume
- Project Terms — keyword search across abstracts and specific aims
- Congressional District / Geography — for regional funding analysis
Search results can be filtered further on the results page without re-running the query, and exported directly to CSV or Excel — the fastest route to a working dataset for a spreadsheet-based portfolio review.
Using the NIH RePORTER API for Programmatic Analysis
For recurring or large-scale queries — competitor tracking, institutional benchmarking, funding-landscape dashboards — the web interface does not scale. The NIH RePORTER API (api.reporter.nih.gov) is a RESTful JSON service built for exactly this use case.
The API accepts POST requests with a JSON criteria object and mirrors the Advanced Search filter logic (fiscal year, IC, activity code, PI name, organisation, project terms) across four core endpoints: project search, publications, patents, and clinical studies. Requests do not require an API key, which lowers the barrier for institutional research-office teams building lightweight internal tools without a procurement cycle. Python and R wrapper libraries maintained by the open-source community simplify pagination and bulk pulls for analysts who prefer not to hand-build JSON payloads.
A typical portfolio-analysis workflow combines the API with ExPORTER bulk files: use the API for targeted, current-cycle queries (this year’s awards to a named PI or institute) and ExPORTER for historical trend datasets spanning multiple fiscal years.
Common Questions About NIH RePORTER
Are NIH grant scores public?
No. Peer-review summary statements and percentile scores are released only to the applicant via eRA Commons and are treated as confidential under the NIH Grants Policy Statement. NIH RePORTER instead publishes the funded outcome — abstract, budget, project period, and awarding institute — once an award is made.
How do I find who funded a study?
Search RePORTER by the project number quoted in a paper’s acknowledgements, or match the PI name and publication title under the “Linked Publications” data. The resulting project record shows the awarding NIH Institute or Center, funding mechanism, and total award amount.
Who gets the most NIH funding?
Large academic medical centres and research-intensive universities consistently rank highest by total award value. RePORTER’s organisation-level search and the “Awards by Location” tool let administrators rank recipient institutions for any fiscal year rather than relying on third-party league tables.
Why This Matters for Research Administrators
For portfolio analysis, RePORTER turns what used to be manual FOIA-style requests into a self-service query. Research development offices can benchmark a department’s award mix against peer institutions by activity code, or track a specific IC’s funding priorities over a rolling five-year window using the Fiscal Year filter.
For competitor intelligence, the Matchmaker tool is the most underused feature: pasting a draft specific-aims page returns not just similar funded projects but the study sections and program officials most likely to review a related application — genuinely actionable pre-submission intelligence that most institutions still source informally through personal networks.
For funding prospecting, combining Advanced Search filters (IC + activity code + project terms) with a saved, re-runnable API query lets a research office flag newly funded awards in an adjacent field within days of public posting, rather than waiting for a funder’s own announcement cycle.
Looking Ahead
NIH RePORTER’s underlying data architecture — structured award records, linked outputs, and an open API — is increasingly the template other funders are measured against. As UK and EU funders expand open-data commitments under initiatives aligned with cOAlition S and UKRI’s own transparency agenda, research offices that already have RePORTER-based workflows are better placed to extend the same portfolio-analysis discipline to non-US funders as comparable APIs mature.
The practical takeaway for research administration teams is to treat RePORTER not as an occasional lookup tool but as a standing data source: a saved Advanced Search for competitor tracking, an API pull scheduled alongside grant-cycle reporting, and Matchmaker built into pre-submission workflows.
