How to Say "i'm in" in Spanish
The Spanish word for “i'm in” is “apunto” — A2 level. This is a very common word in everyday Spanish.
English → SpanishA2
verbA2informal
agreeing to join a plan

Examples
Me apunto a clases de baile.
I'm signing up for dance classes.
¿Vienes a la fiesta? —¡Sí, me apunto!
Are you coming to the party? —Yes, I'm in!
Reflexive Use
When you join something yourself, you need to add 'me' before 'apunto' (Me apunto).
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