diff --git a/README.md b/README.md
index d65794f..1da0702 100644
--- a/README.md
+++ b/README.md
@@ -997,6 +997,7 @@ For information on contributing to this project, please see the [contributing gu
 |                                     [AIS Web](http://www.aisweb.aer.mil.br/api/doc/index.cfm)                                      | Aeronautical information in digital media produced by the Department of Airspace Control (DECEA) | `apiKey` |  No   | Unknown |
 |                                 [Amadeus Travel Innovation Sandbox](https://sandbox.amadeus.com/)                                  | Travel Search - Limited usage                                                                    | `apiKey` |  Yes  | Unknown |
 |                                           [Bay Area Rapid Transit](http://api.bart.gov)                                            | Stations and predicted arrivals for BART                                                         | `apiKey` |  No   | Unknown |
+|                                           [Unofficial BART API](https://bart.trentwil.es                                            | Stable version of BART's legacy API                                                         | No |  Yes  | Unknown |
 |                                               [BlaBlaCar](https://dev.blablacar.com)                                               | Search car sharing trips                                                                         | `apiKey` |  Yes  | Unknown |
 |           [Community Transit](https://github.com/transitland/transitland-datastore/blob/master/README.md#api-endpoints)            | Transitland API                                                                                  |    No    |  Yes  | Unknown |
 |                                         [GraphHopper](https://graphhopper.com/api/1/docs/)                                         | A-to-B routing with turn-by-turn instructions                                                    | `apiKey` |  Yes  | Unknown |