To cite package ‘pixr’ in publications use:

  Leite A, Wasiliew M, Vasconcelos H, Amorim C, Bezerra D, Nascimento
  Barreto J (2026). _pixr: Access Brazilian Central Bank 'PIX' Open
  Data 'API'_. R package version 0.1.1,
  <https://CRAN.R-project.org/package=pixr>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {pixr: Access Brazilian Central Bank 'PIX' Open Data 'API'},
    author = {André Leite and Marcos Wasiliew and Hugo Vasconcelos and Carlos Amorim and Diogo Bezerra and Júlia {Nascimento Barreto}},
    year = {2026},
    note = {R package version 0.1.1},
    url = {https://CRAN.R-project.org/package=pixr},
  }