The R3 line from Rodalies de Catalunya with many stops all the way to Barcelona.
You can find the timetables for Rodalies de Catalunya here: https://rodalies.gencat.cat/en/horaris/tots-els-horaris/
There is no online sales for these and they won't show up in other places either (Trainline, SNCF connect, ...). So I don't know if you can get them from any existing API. Also they name the station "La Tor de Querol" in catalan, but it really is the same station.
There are two missing things in the Latour de Carol station (https://direkt.bahn.guru/?origin=8700148):
The R3 line from Rodalies de Catalunya with many stops all the way to Barcelona. You can find the timetables for Rodalies de Catalunya here: https://rodalies.gencat.cat/en/horaris/tots-els-horaris/ There is no online sales for these and they won't show up in other places either (Trainline, SNCF connect, ...). So I don't know if you can get them from any existing API. Also they name the station "La Tor de Querol" in catalan, but it really is the same station.
From Latour de Carol you can also reach Paris Austerlitz by night train, and this is correctly shown. That train also has a stop at Les Aubrais (INTERCITÉS 3971, listed here for example: https://www.sncf-connect.com/fr-be/train/horaires/paris/latour-de-carol), which is currently not shown. It is however working in the other direction: https://direkt.bahn.guru/?origin=8700003