To cite package ‘httr2’ in publications use:

  Wickham H (2024). _httr2: Perform HTTP Requests and Process the
  Responses_. R package version 1.0.7.9000, ,
  <https://github.com/r-lib/httr2>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {httr2: Perform HTTP Requests and Process the Responses},
    author = {Hadley Wickham},
    year = {2024},
    note = {R package version 1.0.7.9000, },
    url = {https://github.com/r-lib/httr2},
  }