Breakdown of Necesito confirmar el pago antes de la reunión.
Questions & Answers about Necesito confirmar el pago antes de la reunión.
Yes, both are correct but focus on slightly different things:
- antes de la reunión uses a noun phrase (“before the meeting”).
- antes de reunirme uses an infinitive (“before meeting”).
Use whichever fits your emphasis—talking about the event itself versus the act of meeting.