diff --git a/api/src/pcapi/core/external/attributes/api.py b/api/src/pcapi/core/external/attributes/api.py
index 5123382fa0a..ee0825032c4 100644
--- a/api/src/pcapi/core/external/attributes/api.py
+++ b/api/src/pcapi/core/external/attributes/api.py
@@ -543,7 +543,8 @@ def get_user_bookings(user: users_models.User) -> list[bookings_models.Booking]:
                 offers_models.Offer.subcategoryId,
                 offers_models.Offer.name,
                 offers_models.Offer.extraData,
-            )
+            ),
+            joinedload(bookings_models.Booking.incidents).joinedload(finance_models.BookingFinanceIncident.incident),
         )
         .filter(
             bookings_models.Booking.userId == user.id,
diff --git a/api/src/pcapi/core/users/api.py b/api/src/pcapi/core/users/api.py
index b4d57c3e0f5..54e4b677f6e 100644
--- a/api/src/pcapi/core/users/api.py
+++ b/api/src/pcapi/core/users/api.py
@@ -775,6 +775,15 @@ def add_comment_to_user(user: models.User, author_user: models.User, comment: st
     db.session.commit()
 
 
+def _get_booking_credit(booking: bookings_models.Booking) -> Decimal:
+    # Get only partial incidents
+    for booking_finance_incident in booking.incidents:
+        if booking_finance_incident.is_partial:
+            if booking_finance_incident.incident.status == finance_models.IncidentStatus.VALIDATED:
+                return Decimal(booking_finance_incident.newTotalAmount) / Decimal("100")
+    return booking.total_amount
+
+
 def get_domains_credit(
     user: models.User, user_bookings: list[bookings_models.Booking] | None = None
 ) -> models.DomainsCredit | None:
@@ -794,7 +803,10 @@ def get_domains_credit(
         all=models.Credit(
             initial=user.deposit.amount,
             remaining=(
-                max(user.deposit.amount - sum(booking.total_amount for booking in deposit_bookings), Decimal("0"))
+                max(
+                    user.deposit.amount - sum(_get_booking_credit(booking) for booking in deposit_bookings),
+                    Decimal("0"),
+                )
                 if user.has_active_deposit
                 else Decimal("0")
             ),
@@ -804,7 +816,7 @@ def get_domains_credit(
 
     if specific_caps.DIGITAL_CAP:
         digital_bookings_total = sum(
-            booking.total_amount
+            _get_booking_credit(booking)
             for booking in deposit_bookings
             if specific_caps.digital_cap_applies(booking.stock.offer)
         )
@@ -820,7 +832,7 @@ def get_domains_credit(
 
     if specific_caps.PHYSICAL_CAP:
         physical_bookings_total = sum(
-            booking.total_amount
+            _get_booking_credit(booking)
             for booking in deposit_bookings
             if specific_caps.physical_cap_applies(booking.stock.offer)
         )
diff --git a/api/tests/core/users/test_api.py b/api/tests/core/users/test_api.py
index 0d730ccd74b..ad656aa702b 100644
--- a/api/tests/core/users/test_api.py
+++ b/api/tests/core/users/test_api.py
@@ -17,11 +17,14 @@
 
 from pcapi import settings
 from pcapi.core import token as token_utils
+from pcapi.core.bookings import api as bookings_api
 from pcapi.core.bookings import factories as bookings_factories
 from pcapi.core.bookings import models as bookings_models
 from pcapi.core.bookings.models import BookingStatus
 from pcapi.core.categories import subcategories_v2
+from pcapi.core.finance import api as finance_api
 from pcapi.core.finance import enum as finance_enum
+from pcapi.core.finance import factories as finance_factories
 from pcapi.core.finance import models as finance_models
 import pcapi.core.finance.conf as finance_conf
 import pcapi.core.fraud.factories as fraud_factories
@@ -749,6 +752,296 @@ def test_get_domains_credit_no_deposit(self):
 
         assert not users_api.get_domains_credit(user)
 
+    @staticmethod
+    def _price_booking(booking):
+        bookings_api.mark_as_used(
+            booking=booking,
+            validation_author_type=bookings_models.BookingValidationAuthorType.OFFERER,
+        )
+        finance_events = booking.finance_events
+        assert len(finance_events) == 1
+        finance_api.price_event(finance_events[0])
+
+    @staticmethod
+    def _price_incident(incident):
+        assert len(incident.booking_finance_incidents) == 1
+        booking_finance_incident = incident.booking_finance_incidents[0]
+        for finance_event in booking_finance_incident.finance_events:
+            finance_api.price_event(finance_event)
+
+    def test_get_domains_regular_credit_with_finance_incidents(self):
+        offerer = offerers_factories.OffererFactory(name="Association de coiffeurs", siren="853318959")
+        bank_account = finance_factories.BankAccountFactory(offerer=offerer)
+        venue = offerers_factories.VenueFactory(
+            pricing_point="self",
+            managingOfferer=offerer,
+            bank_account=bank_account,
+            siret="85331845900023",
+        )
+        author_user = users_factories.UserFactory()
+        user = users_factories.BeneficiaryGrant18Factory(deposit__version=1, deposit__amount=500)
+
+        # booking1 (20€ → 20€) + booking2 (6€ → 0€) + booking3 (15€ → 10€) = 30€
+
+        booking1 = bookings_factories.BookingFactory(
+            user=user,
+            cancellation_limit_date=datetime.datetime.utcnow() - datetime.timedelta(days=4),
+            quantity=4,
+            stock__price=Decimal("5.0"),
+            stock__offer__venue=venue,
+            stock__beginningDatetime=datetime.datetime.utcnow() - datetime.timedelta(days=5),
+            stock__offer__subcategoryId=subcategories_v2.SEANCE_CINE.id,
+        )  # 20€
+        self._price_booking(booking1)
+
+        # Booking to cancel totally
+        booking2 = bookings_factories.BookingFactory(
+            user=user,
+            cancellation_limit_date=datetime.datetime.utcnow() - datetime.timedelta(days=4),
+            quantity=2,
+            stock__price=Decimal("3.0"),
+            stock__offer__venue=venue,
+            stock__beginningDatetime=datetime.datetime.utcnow() - datetime.timedelta(days=5),
+            stock__offer__subcategoryId=subcategories_v2.SEANCE_CINE.id,
+        )  # 6€ → 0€
+        self._price_booking(booking2)
+
+        # Booking to cancel partially
+        booking3 = bookings_factories.BookingFactory(
+            user=user,
+            cancellation_limit_date=datetime.datetime.utcnow() - datetime.timedelta(days=4),
+            quantity=5,
+            stock__price=Decimal("3.0"),
+            stock__offer__venue=venue,
+            stock__beginningDatetime=datetime.datetime.utcnow() - datetime.timedelta(days=5),
+            stock__offer__subcategoryId=subcategories_v2.SEANCE_CINE.id,
+        )  # 15€ → 10€
+        self._price_booking(booking3)
+
+        # Mark all pricings as invoiced
+        cutoff = datetime.datetime.utcnow()
+        batch = finance_api.generate_cashflows(cutoff)
+        assert len(batch.cashflows) == 1
+        cashflow = batch.cashflows[0]
+        cashflow.status = finance_models.CashflowStatus.UNDER_REVIEW
+        db.session.add(cashflow)
+        db.session.flush()
+        finance_api._generate_invoice(bank_account_id=bank_account.id, cashflow_ids=[c.id for c in batch.cashflows])
+
+        # Create the finance incidents and validate them
+        #  - For booking2 → cancelled totally
+        incident2 = finance_api.create_overpayment_finance_incident(
+            bookings=[booking2],
+            author=author_user,
+            origin="BO",
+            amount=Decimal("6.0"),
+        )
+        finance_api.validate_finance_overpayment_incident(
+            finance_incident=incident2,
+            force_debit_note=False,
+            author=author_user,
+        )
+        self._price_incident(incident2)
+
+        #  - For booking3 → cancelled partially: get back 5€
+        incident3 = finance_api.create_overpayment_finance_incident(
+            bookings=[booking3],
+            author=author_user,
+            origin="BO",
+            amount=Decimal("5.0"),
+        )
+        finance_api.validate_finance_overpayment_incident(
+            finance_incident=incident3,
+            force_debit_note=False,
+            author=author_user,
+        )
+        self._price_incident(incident3)
+
+        assert users_api.get_domains_credit(user) == users_models.DomainsCredit(
+            all=users_models.Credit(initial=Decimal("500"), remaining=Decimal("470")),
+            digital=users_models.Credit(initial=Decimal("200"), remaining=Decimal("200")),
+            physical=users_models.Credit(initial=Decimal("200"), remaining=Decimal("200")),
+        )
+
+    def test_get_domains_digital_credit_with_finance_incidents(self):
+        offerer = offerers_factories.OffererFactory(name="Association de coiffeurs", siren="853318959")
+        bank_account = finance_factories.BankAccountFactory(offerer=offerer)
+        venue = offerers_factories.VenueFactory(
+            pricing_point="self",
+            managingOfferer=offerer,
+            bank_account=bank_account,
+            siret="85331845900023",
+        )
+        author_user = users_factories.UserFactory()
+        user = users_factories.BeneficiaryGrant18Factory(deposit__version=1, deposit__amount=500)
+
+        # booking1 (9€ → 9€) + booking2 (45€ → 0€) + booking3 (24€ → 15€) = 24€
+
+        booking1 = bookings_factories.BookingFactory(
+            user=user,
+            quantity=2,
+            stock__price=Decimal("4.5"),
+            stock__offer__venue=venue,
+            stock__offer__subcategoryId=subcategories_v2.JEU_EN_LIGNE.id,
+            stock__offer__url="http://on.line",
+        )  # 9€
+        self._price_booking(booking1)
+
+        # Booking to cancel totally
+        booking2 = bookings_factories.BookingFactory(
+            user=user,
+            quantity=1,
+            stock__price=Decimal("45.0"),
+            stock__offer__venue=venue,
+            stock__offer__subcategoryId=subcategories_v2.JEU_EN_LIGNE.id,
+            stock__offer__url="http://on.line",
+        )  # 45€ → 0€
+        self._price_booking(booking2)
+
+        # Booking to cancel partially
+        booking3 = bookings_factories.BookingFactory(
+            user=user,
+            quantity=3,
+            stock__price=Decimal("8.0"),
+            stock__offer__venue=venue,
+            stock__offer__subcategoryId=subcategories_v2.JEU_EN_LIGNE.id,
+            stock__offer__url="http://on.line",
+        )  # 24€ → 15€
+        self._price_booking(booking3)
+
+        # Mark all pricings as invoiced
+        cutoff = datetime.datetime.utcnow()
+        batch = finance_api.generate_cashflows(cutoff)
+        assert len(batch.cashflows) == 1
+        cashflow = batch.cashflows[0]
+        cashflow.status = finance_models.CashflowStatus.UNDER_REVIEW
+        db.session.add(cashflow)
+        db.session.flush()
+        finance_api._generate_invoice(bank_account_id=bank_account.id, cashflow_ids=[c.id for c in batch.cashflows])
+
+        # Create the finance incidents and validate them
+        #  - For booking2 → cancelled totally
+        incident2 = finance_api.create_overpayment_finance_incident(
+            bookings=[booking2],
+            author=author_user,
+            origin="BO",
+            amount=Decimal("45.0"),
+        )
+        finance_api.validate_finance_overpayment_incident(
+            finance_incident=incident2,
+            force_debit_note=False,
+            author=author_user,
+        )
+        self._price_incident(incident2)
+
+        #  - For booking3 → cancelled partially: get back 9€
+        incident3 = finance_api.create_overpayment_finance_incident(
+            bookings=[booking3],
+            author=author_user,
+            origin="BO",
+            amount=Decimal("9.0"),
+        )
+        finance_api.validate_finance_overpayment_incident(
+            finance_incident=incident3,
+            force_debit_note=False,
+            author=author_user,
+        )
+        self._price_incident(incident3)
+
+        assert users_api.get_domains_credit(user) == users_models.DomainsCredit(
+            all=users_models.Credit(initial=Decimal("500"), remaining=Decimal("476")),
+            digital=users_models.Credit(initial=Decimal("200"), remaining=Decimal("176")),
+            physical=users_models.Credit(initial=Decimal("200"), remaining=Decimal("200")),
+        )
+
+    def test_get_domains_physical_credit_with_finance_incidents(self):
+        offerer = offerers_factories.OffererFactory(name="Association de coiffeurs", siren="853318959")
+        bank_account = finance_factories.BankAccountFactory(offerer=offerer)
+        venue = offerers_factories.VenueFactory(
+            pricing_point="self",
+            managingOfferer=offerer,
+            bank_account=bank_account,
+            siret="85331845900023",
+        )
+        author_user = users_factories.UserFactory()
+        user = users_factories.BeneficiaryGrant18Factory(deposit__version=1, deposit__amount=500)
+
+        # booking1 (68€ → 68€) + booking2 (32€ → 0€) + booking3 (39€ → 27€) = 95€
+
+        booking1 = bookings_factories.BookingFactory(
+            user=user,
+            quantity=4,
+            stock__price=Decimal("17"),
+            stock__offer__venue=venue,
+            stock__offer__subcategoryId=subcategories_v2.JEU_SUPPORT_PHYSIQUE.id,
+        )  # 68€
+        self._price_booking(booking1)
+
+        # booking to cancel totally
+        booking2 = bookings_factories.BookingFactory(
+            user=user,
+            quantity=2,
+            stock__price=Decimal("16"),
+            stock__offer__venue=venue,
+            stock__offer__subcategoryId=subcategories_v2.JEU_SUPPORT_PHYSIQUE.id,
+        )  # 32€ → 0€
+        self._price_booking(booking2)
+
+        # booking in physical domain to cancel totally
+        booking3 = bookings_factories.BookingFactory(
+            user=user,
+            quantity=3,
+            stock__price=Decimal("13"),
+            stock__offer__venue=venue,
+            stock__offer__subcategoryId=subcategories_v2.JEU_SUPPORT_PHYSIQUE.id,
+        )  # 39€ → 27€
+        self._price_booking(booking3)
+
+        # Mark all pricings as invoiced
+        cutoff = datetime.datetime.utcnow()
+        batch = finance_api.generate_cashflows(cutoff)
+        assert len(batch.cashflows) == 1
+        cashflow = batch.cashflows[0]
+        cashflow.status = finance_models.CashflowStatus.UNDER_REVIEW
+        db.session.add(cashflow)
+        db.session.flush()
+        finance_api._generate_invoice(bank_account_id=bank_account.id, cashflow_ids=[c.id for c in batch.cashflows])
+
+        # Create the finance incidents and validate them
+        #  - For booking2 → cancelled totally
+        incident2 = finance_api.create_overpayment_finance_incident(
+            bookings=[booking2],
+            author=author_user,
+            origin="BO",
+            amount=Decimal("45.0"),
+        )
+        finance_api.validate_finance_overpayment_incident(
+            finance_incident=incident2,
+            force_debit_note=False,
+            author=author_user,
+        )
+        self._price_incident(incident2)
+
+        #  - For booking3 → cancelled partially: get back 9€
+        incident3 = finance_api.create_overpayment_finance_incident(
+            bookings=[booking3],
+            author=author_user,
+            origin="BO",
+            amount=Decimal("12.0"),
+        )
+        finance_api.validate_finance_overpayment_incident(
+            finance_incident=incident3,
+            force_debit_note=False,
+            author=author_user,
+        )
+        self._price_incident(incident3)
+
+        assert users_api.get_domains_credit(user) == users_models.DomainsCredit(
+            all=users_models.Credit(initial=Decimal("500"), remaining=Decimal("405")),
+            digital=users_models.Credit(initial=Decimal("200"), remaining=Decimal("200")),
+            physical=users_models.Credit(initial=Decimal("200"), remaining=Decimal("105")),
+        )
+
 
 class CreateProUserTest:
     data = {