diff --git a/backend/controllers/falukantController.js b/backend/controllers/falukantController.js
index b6ddb7f..923912e 100644
--- a/backend/controllers/falukantController.js
+++ b/backend/controllers/falukantController.js
@@ -126,6 +126,8 @@ class FalukantController {
 
         this.getTitlesOfNobility = this._wrapWithUser((userId) => this.service.getTitlesOfNobility(userId));
         this.getReputationActions = this._wrapWithUser((userId) => this.service.getReputationActions(userId));
+        this.executeReputationAction = this._wrapWithUser((userId, req) =>
+            this.service.executeReputationAction(userId, req.body?.actionTypeId), { successStatus: 201 });
         this.getHouseTypes = this._wrapWithUser((userId) => this.service.getHouseTypes(userId));
         this.getMoodAffect = this._wrapWithUser((userId) => this.service.getMoodAffect(userId));
         this.getCharacterAffect = this._wrapWithUser((userId) => this.service.getCharacterAffect(userId));
diff --git a/backend/routers/falukantRouter.js b/backend/routers/falukantRouter.js
index a85f309..8b96c68 100644
--- a/backend/routers/falukantRouter.js
+++ b/backend/routers/falukantRouter.js
@@ -48,6 +48,7 @@ router.post('/family/gift', falukantController.sendGift);
 router.get('/family', falukantController.getFamily);
 router.get('/nobility/titels', falukantController.getTitlesOfNobility);
 router.get('/reputation/actions', falukantController.getReputationActions);
+router.post('/reputation/actions', falukantController.executeReputationAction);
 router.get('/houses/types', falukantController.getHouseTypes);
 router.get('/houses/buyable', falukantController.getBuyableHouses);
 router.get('/houses', falukantController.getUserHouse);
diff --git a/backend/services/falukantService.js b/backend/services/falukantService.js
index 3d5fc70..74041c8 100644
--- a/backend/services/falukantService.js
+++ b/backend/services/falukantService.js
@@ -3285,6 +3285,101 @@ class FalukantService extends BaseService {
         };
     }
 
+    async executeReputationAction(hashedUserId, actionTypeId) {
+        const user = await getFalukantUserOrFail(hashedUserId);
+        const character = await FalukantCharacter.findOne({
+            where: { userId: user.id },
+            attributes: ['id', 'reputation']
+        });
+        if (!character) {
+            throw new Error('Character not found');
+        }
+
+        const actionType = await ReputationActionType.findByPk(actionTypeId);
+        if (!actionType) {
+            throw new Error('Action type not found');
+        }
+
+        const todayStart = new Date();
+        todayStart.setHours(0, 0, 0, 0);
+        const todayEnd = new Date();
+        todayEnd.setHours(23, 59, 59, 999);
+        const dailyCap = 10;
+        const todayActions = await ReputationActionLog.count({
+            where: {
+                falukantUserId: user.id,
+                actionTimestamp: { [Op.between]: [todayStart, todayEnd] }
+            }
+        });
+        if (todayActions >= dailyCap) {
+            throw new Error('Daily limit reached');
+        }
+
+        const lastAction = await ReputationActionLog.findOne({
+            where: { falukantUserId: user.id },
+            order: [['actionTimestamp', 'DESC']],
+            attributes: ['actionTimestamp']
+        });
+        const cooldownMinutes = 60;
+        if (lastAction?.actionTimestamp) {
+            const cooldownSec = cooldownMinutes * 60;
+            const secondsSinceLast = Math.floor((Date.now() - new Date(lastAction.actionTimestamp)) / 1000);
+            if (secondsSinceLast < cooldownSec) {
+                throw new Error('Cooldown active');
+            }
+        }
+
+        const reloadedUser = await FalukantUser.findByPk(user.id, { attributes: ['id', 'money'] });
+        if (reloadedUser.money < actionType.cost) {
+            throw new Error('notenoughmoney');
+        }
+
+        const windowStart = new Date();
+        windowStart.setDate(windowStart.getDate() - actionType.decayWindowDays);
+        const timesUsedBefore = await ReputationActionLog.count({
+            where: {
+                falukantUserId: user.id,
+                actionTypeId: actionType.id,
+                actionTimestamp: { [Op.gte]: windowStart }
+            }
+        });
+
+        let gain = actionType.baseGain;
+        for (let i = 0; i < timesUsedBefore; i++) {
+            gain = Math.max(actionType.minGain, Math.floor(gain * actionType.decayFactor));
+        }
+
+        const transaction = await sequelize.transaction();
+        try {
+            await updateFalukantUserMoney(
+                user.id,
+                -actionType.cost,
+                'Reputation action: ' + actionType.tr,
+                user.id,
+                transaction
+            );
+            await ReputationActionLog.create(
+                {
+                    falukantUserId: user.id,
+                    actionTypeId: actionType.id,
+                    cost: actionType.cost,
+                    baseGain: actionType.baseGain,
+                    gain,
+                    timesUsedBefore
+                },
+                { transaction }
+            );
+            const newReputation = Math.min(100, Math.max(0, (character.reputation ?? 0) + gain));
+            await character.update({ reputation: newReputation }, { transaction });
+            await transaction.commit();
+        } catch (err) {
+            await transaction.rollback();
+            throw err;
+        }
+
+        return { gain, cost: actionType.cost };
+    }
+
     async getHouseTypes() {
         //        return House
     }