Filter by formula AND(IS_BEFORE(), [expression, ...])

Hi all,
I need to retrieve a list of items from a formula filter like this filter

To do this I use “API URL encoder tool” here is my formula:

AND(RECORD_ID_CONTACT="recXXX1234", Statut="🤝 Mission conclue", IS_BEFORE("Fin de mission", TODAY()))


curl \
-H "Authorization: Bearer keyXXX"

response is :


If I remove IS_BEFORE from my request, I have results.

Maybe I’m writing my formula incorrectly?

Thank you for your time :slightly_smiling_face:

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