Refresh internal data; update URL in `read_api_url()` example and test

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (da0f8fd) 88.53% compared to head (c26d2ab) 88.53%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #241 +/- ## ======================================= Coverage 88.53% 88.53% ======================================= Files 29 29 Lines 1256 1256 ======================================= Hits 1112 1112 Misses 144 144 ```

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.