To cite package ‘pixr’ in publications use:

  Leite A, Wasilew M, Vasconcelos H, Bezerra D (2026). _pixr: Access
  Brazilian Central Bank 'PIX' Open Data 'API'_. R package version
  0.1.0, <https://github.com/strategicprojects/pixr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pixr: Access Brazilian Central Bank 'PIX' Open Data 'API'},
    author = {Andre Leite and Marcos Wasilew and Hugo Vasconcelos and Diogo Bezerra},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/strategicprojects/pixr},
  }