Spanish Phrase
Gracias por confirmar.
Meaning
Literally, 'Thank you for confirming.' The speaker is expressing gratitude because the listener has just confirmed a detail—such as a reservation, an appointment, or any piece of information.
When to use
Use this phrase right after someone tells you that something is confirmed. It works in emails, text messages, phone calls, or face‑to‑face conversations, and fits both formal and casual settings.
✦Grammar Breakdown
Graciasporconfirmar.
Gracias
A common way to say 'thank you' in Spanish; works in both formal and informal contexts.
por + infinitive
The preposition 'por' followed by an infinitive expresses gratitude for an action that has just been performed.
confirmar (infinitive)
The verb 'confirmar' means 'to confirm'. In this phrase it stays in its infinitive form because it follows 'por'.
🗨In Conversation
Gracias por confirmar.
Thank you for confirming.
De nada, nos vemos mañana a las diez.
You're welcome, see you tomorrow at ten.
✕Common Mistakes
Gracias de confirmar.
The preposition 'de' does not convey the cause/reason meaning here; use 'por' instead.
Gracias por confirmas.
After 'por' you need the infinitive, not a conjugated verb.
↔Alternatives
Gracias por la confirmación.
Thank you for the confirmation.
Te agradezco que hayas confirmado.
I appreciate that you have confirmed.
Muchas gracias por confirmar.
Many thanks for confirming.
Cultural Tip
Expressing gratitude is a key part of politeness in Spanish‑speaking cultures. Using 'por' + infinitive (e.g., 'por confirmar') sounds natural and courteous. In more formal contexts you might add a title or use the full noun form: 'Gracias por la confirmación'.