README.Rmd

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output: github_document
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knitr::opts_chunk$set(
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# ctxR: Utilities for Interacting with the CTX APIs 

Package website: [release](https://usepa.github.io/ctxR/) | [dev](https://usepa.github.io/ctxR/dev/)

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## Welcome to the GitHub repository for the ctxR package

<a href="https://CRAN.R-project.org/package=ctxR"><img src="vignettes/Pictures/ctxR_hex.png" width="200" align="right" /></a>

ctxR was developed to streamline the process of accessing the information available through the [Computational Toxicology and Exposure (CTX) APIs](https://www.epa.gov/comptox-tools/computational-toxicology-and-exposure-apis) without requiring prior knowledge of how to use APIs. Chemical, hazard, bioactivity, and exposure data in available from the CTX APIs. Most data is also available on the [CompTox Chemical Dashboard (CCD)](https://comptox.epa.gov/dashboard/) or within other [Computational Toxicology and Exposure Online Resources](https://www.epa.gov/comptox-tools).

If you are interested in contributing or want to report a bug, please submit a issue or start a discussion. See [CONTRIBUTING](https://github.com/USEPA/ctxR/blob/dev/CONTRIBUTING.md) for more information.

To install the current development version, run the following command: 

    devtools::install_github("USEPA/ctxR")

Disclaimer: Users don't need a API key to install ctxR, but will need to supply an API key to use ctxR and access data. A *FREE* API key can be obtained by emailing the [CTX API Admins](mailto:ccte_api@epa.gov).