diff --git a/README.md b/README.md
index 3cea8bc..02a7a2d 100644
--- a/README.md
+++ b/README.md
@@ -1059,6 +1059,7 @@ For information on contributing to this project, please see the [contributing gu
 |                            [Dune](https://github.com/ywalia01/dune-api)                            | Dune API                                         |       No        |  Yes  | Unknown |
 |                             [Harry Potter](https://www.potterapi.com/)                             | Harry Potter API                                 |    `apiKey`     |  Yes  |   Yes   |
 |                           [Open Movie Database](http://www.omdbapi.com/)                           | Movie information                                |    `apiKey`     |  Yes  | Unknown |
+| [Potter DB](https://potterdb.com) |  Data from the Harry Potter Universe: Characters, Movies, Books, Spells and Potions                               |       No        |  Yes  | Unknown |
 | [Ron Swanson Quotes](https://github.com/jamesseanwright/ron-swanson-quotes#ron-swanson-quotes-api) | Television                                       |       No        |  Yes  | Unknown |
 |                                      [STAPI](http://stapi.co)                                      | Information on all things Star Trek              |       No        |  No   |   No    |
 |                    [The Lord of the Rings](https://the-one-api.herokuapp.com/)                     | The Lord of the Rings API                        |    `apiKey`     |  Yes  | Unknown |