# ptax v3.0.0 - Table of Contents

> A currency converter backed by the Brazilian Central Bank (BCB) PTAX closing rates.

## Pages

- [PTAX](readme.md)

## Modules

- [PTAX](PTAX.md): Converts between currencies using the Brazilian Central Bank's PTAX quotes.
- [PTAX.Rates](PTAX.Rates.md): The source of the rates `PTAX` converts with.

- Exceptions
  - [PTAX.CurrencyNotQuotedError](PTAX.CurrencyNotQuotedError.md): Exception for a currency the bulletin does not quote.

  - [PTAX.LatestQuotesNotFoundError](PTAX.LatestQuotesNotFoundError.md): Exception for a 7-day window without a single bulletin.

  - [PTAX.QuotesNotFoundError](PTAX.QuotesNotFoundError.md): Exception for a date BCB has no bulletin for, such as a weekend or a holiday.

  - [PTAX.UnexpectedResponseError](PTAX.UnexpectedResponseError.md): Exception for a response with a status other than 200 or 404.

