To cite package ‘fmpapi’ in publications use:

  Scheuch C (2025). _fmpapi: Flexible Client for the 'Financial
  Modeling Prep' API_. R package version 0.2.0.9000, ,
  <https://github.com/tidy-finance/r-fmpapi>.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {fmpapi: Flexible Client for the 'Financial Modeling Prep' API},
    author = {Christoph Scheuch},
    year = {2025},
    note = {R package version 0.2.0.9000, 
},
    url = {https://github.com/tidy-finance/r-fmpapi},
  }