| get_govinfo_key | Check or Get GovInfo API Key |
| gpo_collections | Retrieve GPO collections data |
| gpo_package_granules | Given a GPO package id, get a list of granules associated with that package. |
| gpo_package_granules_summary | Given a package id and a granule id, return a metadata summary for the granule. |
| gpo_package_summary | Given a GPO package id, return summary metadata for that package. |
| gpo_published | Retrieve documents based on official publication date. |
| gpo_related | gpo_related() |
| has_govinfo_key | Check or Get GovInfo API Key |
| key | Check or Get GovInfo API Key |
| next_req | next_req |
| set_govinfo_key | Adds api.data.gov key to .Renviron |
| today | today |
| tomorrow | tomorrow |
| yesterday | yesterday |