rgsrs: Query the FDA Global Substance Registration System (GSRS) API

Provides functions to query the FDA Global Substance Registration System (GSRS) REST API (<https://gsrs.ncats.nih.gov/api/v1/>). Enables programmatic access to substance records, UNII identifiers, synonyms, external codes, and chemical structures for over 170,000 registered substances.

Version:	0.1.0
Depends:	R (≥ 4.1)
Imports:	cli, httr2, janitor, pingr
Suggests:	fs, openxlsx, spelling, testthat (≥ 3.0.0), withr
Published:	2026-05-05
DOI:	10.32614/CRAN.package.rgsrs
Author:	Claudio Zanettini [aut, cre]
Maintainer:	Claudio Zanettini <claudio.zanettini at gmail.com>
BugReports:	https://github.com/c1au6i0/rgsrs/issues
License:	MIT + file LICENSE
URL:	https://c1au6i0.github.io/rgsrs/, https://github.com/c1au6i0/rgsrs
NeedsCompilation:	no
Language:	en-US
Materials:	README, NEWS
CRAN checks:	rgsrs results

Documentation:

Reference manual:

rgsrs.html , rgsrs.pdf

Downloads:

Package source:	rgsrs_0.1.0.tar.gz
Windows binaries:	r-devel: rgsrs_0.1.0.zip, r-release: rgsrs_0.1.0.zip, r-oldrel: rgsrs_0.1.0.zip
macOS binaries:	r-release (arm64): rgsrs_0.1.0.tgz, r-oldrel (arm64): rgsrs_0.1.0.tgz, r-release (x86_64): rgsrs_0.1.0.tgz, r-oldrel (x86_64): rgsrs_0.1.0.tgz

Linking:

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