diff --git a/src/controllers/schedule.ts b/src/controllers/schedule.ts
index 80ac303..1a2177a 100644
--- a/src/controllers/schedule.ts
+++ b/src/controllers/schedule.ts
@@ -234,6 +234,7 @@ export class ScheduleController {
                 doctorId: Joi.string().uuid().required(),
                 title: Joi.string().max(256).required(),
                 timezone: Joi.string().max(64).required(),
+                quota: Joi.number().integer().min(0).allow(null).optional(),
                 startDate: Joi.string().required(),
                 untilDate: Joi.string().allow("", null).optional(),
                 startTimeLocal: Joi.string().required(),
@@ -277,6 +278,7 @@ export class ScheduleController {
                 doctorId: Joi.string().uuid().required(),
                 title: Joi.string().max(256).required(),
                 timezone: Joi.string().max(64).required(),
+                quota: Joi.number().integer().min(0).allow(null).optional(),
                 startDate: Joi.string().required(),
                 untilDate: Joi.string().allow("", null).optional(),
                 startTimeLocal: Joi.string().required(),
diff --git a/src/model/schedule.ts b/src/model/schedule.ts
index f100db0..e565062 100644
--- a/src/model/schedule.ts
+++ b/src/model/schedule.ts
@@ -14,6 +14,7 @@ type ScheduleSeriesPayload = {
 	doctorId: string;
 	title: string;
 	timezone: string;
+	quota?: number | null;
 	startDate: string;
 	untilDate?: string | null;
 	startTimeLocal: string;
@@ -82,6 +83,7 @@ export class ScheduleModel {
 		if (seriesList.length === 0) return { resources: [], events: [] };
 
 		const seriesIds = seriesList.map((series) => series.id);
+		const usageMap = await ScheduleModel.getDailyUsedQuotaMap(seriesIds, rangeStart, rangeEnd);
 		const exceptionRepo = OrmHelper.DB.getRepository(ScheduleException);
 		const exceptions = await exceptionRepo
 			.createQueryBuilder("ScheduleException")
@@ -132,6 +134,12 @@ export class ScheduleModel {
 					title: eventTitle,
 					startAt: eventStart.toISOString(),
 					endAt: eventEnd.toISOString(),
+					quota: series.quota ?? null,
+					usedQuota: usageMap.get(`${series.id}:${occurrenceYmd}`) || 0,
+					leftQuota:
+						typeof series.quota === "number"
+							? Math.max(0, series.quota - (usageMap.get(`${series.id}:${occurrenceYmd}`) || 0))
+							: null,
 					isRecurring: !!series.recurrence_rule,
 					isException: !!exception,
 					status: "confirmed",
@@ -246,6 +254,7 @@ export class ScheduleModel {
 		series.doctor = doctor;
 		series.title = payload.title;
 		series.timezone = payload.timezone;
+		series.quota = payload.quota ?? null;
 		series.start_date = new Date(payload.startDate);
 		series.until_date = payload.untilDate ? new Date(payload.untilDate) : null;
 		series.start_time_local = payload.startTimeLocal;
@@ -278,6 +287,7 @@ export class ScheduleModel {
 		series.doctor = doctor;
 		series.title = payload.title;
 		series.timezone = payload.timezone;
+		series.quota = payload.quota ?? null;
 		series.start_date = new Date(payload.startDate);
 		series.until_date = payload.untilDate ? new Date(payload.untilDate) : null;
 		series.start_time_local = payload.startTimeLocal;
@@ -455,4 +465,38 @@ export class ScheduleModel {
 		}
 		throw new Error("Unsupported recurrence type");
 	}
+
+	private static async getDailyUsedQuotaMap(seriesIds: string[], rangeStart: Date, rangeEnd: Date): Promise<Map<string, number>> {
+		const usedQuotaMap = new Map<string, number>();
+		if (seriesIds.length === 0) return usedQuotaMap;
+
+		const placeholders = seriesIds.map((_, index) => `$${index + 1}`).join(", ");
+		const startParamIndex = seriesIds.length + 1;
+		const endParamIndex = seriesIds.length + 2;
+		const params = [...seriesIds, ScheduleModel.formatYmd(rangeStart), ScheduleModel.formatYmd(rangeEnd)];
+
+		const query = `
+			SELECT
+				ro."scheduleSeriesId" AS series_id,
+				DATE(ro.visit_date) AS visit_date,
+				COUNT(ro.id) AS used_count
+			FROM emr.emr_registration_outpatient ro
+			WHERE ro."scheduleSeriesId" IN (${placeholders})
+				AND DATE(ro.visit_date) BETWEEN $${startParamIndex} AND $${endParamIndex}
+				AND ro.deleted_at IS NULL
+			GROUP BY ro."scheduleSeriesId", DATE(ro.visit_date)
+		`;
+
+		const rows: Array<{ series_id: string; visit_date: string | Date; used_count: string | number }> = await OrmHelper.DB.manager.query(
+			query,
+			params
+		);
+
+		for (const row of rows) {
+			const occurrenceYmd = ScheduleModel.formatYmd(new Date(row.visit_date));
+			usedQuotaMap.set(`${row.series_id}:${occurrenceYmd}`, Number(row.used_count) || 0);
+		}
+
+		return usedQuotaMap;
+	}
 }
diff --git a/src/swagger/builder.js b/src/swagger/builder.js
index 619493d..022d920 100644
--- a/src/swagger/builder.js
+++ b/src/swagger/builder.js
@@ -366,6 +366,7 @@ const doc = {
                 $doctorId: "uuid-string",
                 $title: "Practice Schedule",
                 $timezone: "Asia/Jakarta",
+                $quota: 20,
                 $startDate: "2026-03-20",
                 $untilDate: "2026-06-30",
                 $startTimeLocal: "09:00:00",
@@ -377,6 +378,7 @@ const doc = {
                 $doctorId: "uuid-string",
                 $title: "Practice Schedule Updated",
                 $timezone: "Asia/Jakarta",
+                $quota: 25,
                 $startDate: "2026-03-20",
                 $untilDate: "2026-07-31",
                 $startTimeLocal: "10:00:00",
@@ -406,6 +408,9 @@ const doc = {
                 $title: "Practice",
                 $startAt: "2026-03-20T09:00:00+07:00",
                 $endAt: "2026-03-20T12:00:00+07:00",
+                $quota: 20,
+                $usedQuota: 7,
+                $leftQuota: 13,
                 $isRecurring: true,
                 $isException: false,
                 $status: "confirmed"