A friendly HTTP client package for R that simplifies working with web APIs.
httr is an R package that provides a simplified interface for making HTTP requests, specifically tailored for interacting with modern web APIs. It wraps the curl library to handle connections, cookies, SSL certificates, and response parsing automatically, reducing the boilerplate code needed for web data retrieval. The package includes built-in support for OAuth authentication and offers helper functions for common HTTP tasks.
R developers and data scientists who need to programmatically access web APIs, fetch data from RESTful services, or automate HTTP interactions within their R workflows.
Developers choose httr because it offers a consistent, high-level API that abstracts away the complexities of curl, includes built-in OAuth support, and provides useful utilities like automatic connection management and response parsing. It is designed specifically for R users working with web APIs, making it more approachable than lower-level alternatives.
httr: a friendly http package for R
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Functions like GET() and POST() provide a clear, high-level API for HTTP requests, simplifying code compared to raw curl calls, as highlighted in the key features.
Handles curl connection sharing and cookie persistence automatically, reducing boilerplate for repeated requests to the same site, as mentioned in the connection management feature.
Offers oauth1.0_token() and oauth2.0_token() with example demos for platforms like Twitter and Google, making authentication straightforward, as detailed in the OAuth support section.
The content() function automatically parses common formats like JSON and XML into R objects, speeding up data extraction from API responses, as described in the response handling features.
Explicitly marked as superseded with only CRAN maintenance updates; no new features are added, making it less suitable for long-term projects, as stated in the README status.
As a wrapper for curl, it abstracts away many low-level options, which can be restrictive for advanced users needing fine-grained control over HTTP requests or performance optimizations.
The abstraction layer adds some overhead compared to direct curl usage, which might impact efficiency in high-frequency or latency-sensitive request scenarios.