diff --git a/packages/api/src/controllers/session.ts b/packages/api/src/controllers/session.ts
index c32b3cd00f..24704f1378 100644
--- a/packages/api/src/controllers/session.ts
+++ b/packages/api/src/controllers/session.ts
@@ -2,7 +2,7 @@ import { Router, Request } from "express";
 import sql from "sql-template-strings";
 
 import { authorizer } from "../middleware";
-import { User } from "../schema/types";
+import { User, Project } from "../schema/types";
 import { db } from "../store";
 import { DBSession } from "../store/session-table";
 import { pathJoin } from "../controllers/helpers";
@@ -36,6 +36,7 @@ const fieldsMap: FieldsMap = {
   userId: `session.data->>'userId'`,
   "user.email": { val: `users.data->>'email'`, type: "full-text" },
   parentId: `session.data->>'parentId'`,
+  projectId: `session.data->>'projectId'`,
   record: { val: `session.data->'record'`, type: "boolean" },
   sourceSegments: `session.data->'sourceSegments'`,
   transcodedSegments: {
@@ -78,6 +79,9 @@ app.get("/", authorizer({}), async (req, res, next) => {
   if (parentId) {
     query.push(sql`session.data->>'parentId' = ${parentId}`);
   }
+  query.push(
+    sql`coalesce(session.data->>'projectId', '') = ${req.project?.id || ""}`
+  );
 
   if (!order) {
     order = "lastSeen-true,createdAt-true";
@@ -148,7 +152,8 @@ app.get("/:id", authorizer({}), async (req, res) => {
     !session ||
     ((session.userId !== req.user.id || session.deleted) &&
       !req.user.admin &&
-      !LVPR_SDK_EMAILS.includes(req.user.email))
+      !LVPR_SDK_EMAILS.includes(req.user.email)) ||
+    session.projectId !== req.project?.id
   ) {
     // do not reveal that session exists
     res.status(404);
diff --git a/packages/api/src/controllers/stream.ts b/packages/api/src/controllers/stream.ts
index 49f5c52991..d680393628 100644
--- a/packages/api/src/controllers/stream.ts
+++ b/packages/api/src/controllers/stream.ts
@@ -17,6 +17,7 @@ import {
   StreamPatchPayload,
   StreamSetActivePayload,
   User,
+  Project,
 } from "../schema/types";
 import { db } from "../store";
 import { DBSession } from "../store/session-table";
@@ -332,6 +333,7 @@ const fieldsMap: FieldsMap = {
   "user.email": { val: `users.data->>'email'`, type: "full-text" },
   parentId: `stream.data->>'parentId'`,
   playbackId: `stream.data->>'playbackId'`,
+  projectId: `stream.data->>'projectId'`,
   record: { val: `stream.data->'record'`, type: "boolean" },
   suspended: { val: `stream.data->'suspended'`, type: "boolean" },
   sourceSegmentsDuration: {
@@ -388,6 +390,9 @@ app.get("/", authorizer({}), async (req, res) => {
   if (userId) {
     query.push(sql`stream.data->>'userId' = ${userId}`);
   }
+  query.push(
+    sql`coalesce(stream.data->>'projectId', '') = ${req.project?.id || ""}`
+  );
 
   if (!order) {
     order = "lastSeen-true,createdAt-true";
@@ -554,6 +559,7 @@ app.get("/:parentId/sessions", authorizer({}), async (req, res) => {
   query.push(sql`(data->'lastSeen')::bigint > 0`);
   query.push(sql`(data->'sourceSegmentsDuration')::bigint > 0`);
   query.push(sql`data->>'partialSession' IS NULL`);
+  query.push(sql`coalesce(data->>'projectId', '') = ${req.project?.id || ""}`);
   if (record) {
     if (record === "true" || record === "1") {
       query.push(sql`data->>'record' = 'true'`);
@@ -626,7 +632,8 @@ app.get("/sessions/:parentId", authorizer({}), async (req, res) => {
   if (
     !stream ||
     stream.deleted ||
-    (stream.userId !== req.user.id && !req.isUIAdmin)
+    (stream.userId !== req.user.id && !req.isUIAdmin) ||
+    stream.projectId !== req.project?.id
   ) {
     res.status(404);
     return res.json({ errors: ["not found"] });
@@ -669,6 +676,7 @@ app.get("/user/:userId", authorizer({}), async (req, res) => {
   } else if (sessionsonly) {
     query.push(sql`data->>'parentId' IS NOT NULL`);
   }
+  query.push(sql`coalesce(data->>'projectId', '') = ${req.project?.id || ""}`);
 
   const [streams, newCursor] = await db.stream.find(query, {
     cursor,
@@ -700,7 +708,8 @@ app.get("/:id", authorizer({}), async (req, res) => {
   let stream = await db.stream.get(req.params.id);
   if (
     !stream ||
-    ((stream.userId !== req.user.id || stream.deleted) && !req.user.admin)
+    ((stream.userId !== req.user.id || stream.deleted) && !req.user.admin) ||
+    stream.projectId !== req.project?.id
   ) {
     // do not reveal that stream exists
     res.status(404);
@@ -743,7 +752,8 @@ app.get("/playback/:playbackId", authorizer({}), async (req, res) => {
   });
   if (
     !stream ||
-    ((stream.userId !== req.user.id || stream.deleted) && !req.user.admin)
+    ((stream.userId !== req.user.id || stream.deleted) && !req.user.admin) ||
+    stream.projectId !== req.project?.id
   ) {
     res.status(404);
     return res.json({ errors: ["not found"] });
@@ -765,7 +775,8 @@ app.get("/key/:streamKey", authorizer({}), async (req, res) => {
   );
   if (
     !docs.length ||
-    ((docs[0].userId !== req.user.id || docs[0].deleted) && !req.user.admin)
+    ((docs[0].userId !== req.user.id || docs[0].deleted) && !req.user.admin) ||
+    docs[0].projectId !== req.project.id
   ) {
     res.status(404);
     return res.json({ errors: ["not found"] });
@@ -822,7 +833,8 @@ app.post(
     if (
       !stream ||
       ((stream.userId !== req.user.id || stream.deleted) &&
-        !(req.user.admin && !stream.deleted))
+        !(req.user.admin && !stream.deleted)) ||
+      stream.projectId !== req.project?.id
     ) {
       // do not reveal that stream exists
       res.status(404);
@@ -844,6 +856,7 @@ app.post(
       ...req.body,
       kind: "stream",
       userId: stream.userId,
+      projectId: stream.projectId,
       renditions: {},
       objectStoreId: stream.objectStoreId,
       record,
@@ -863,7 +876,7 @@ app.post(
 
     if (await db.session.get(sessionId)) {
       logger.info(
-        `user session re-used for session.id=${sessionId} stream.id=${stream.id} stream.name='${stream.name}' playbackid=${stream.playbackId}`
+        `user session re-used for session.id=${sessionId} stream.id=${stream.id} stream.name='${stream.name}' playbackid=${stream.playbackId} stream.projectId=${stream.projectId}`
       );
     } else {
       const session: DBSession = {
@@ -871,6 +884,7 @@ app.post(
         parentId: stream.id,
         playbackId: stream.playbackId,
         userId: stream.userId,
+        projectId: stream.projectId,
         kind: "session",
         version: "v2",
         name: req.body.name,
@@ -911,9 +925,9 @@ app.post(
     logger.info(
       `stream session created for stream_id=${stream.id} stream_name='${
         stream.name
-      }' playbackid=${stream.playbackId} session_id=${id} elapsed=${
-        Date.now() - start
-      }ms`
+      }' playbackid=${stream.playbackId} session_id=${id} projectid=${
+        stream.projectId
+      } elapsed=${Date.now() - start}ms`
     );
   }
 );
@@ -1031,6 +1045,7 @@ app.put(
       [
         sql`data->>'userId' = ${req.user.id}`,
         sql`data->>'deleted' IS NULL`,
+        sql`coalesce(data->>'projectId', '') = ${req.project?.id || ""}`,
         ...filters,
       ],
       { useReplica: false }
@@ -1101,6 +1116,7 @@ app.post(
           sql`data->>'userId' = ${req.user.id}`,
           sql`data->>'deleted' IS NULL`,
           sql`data->'pull'->>'source' = ${payload.pull.source}`,
+          sql`coalesce(data->>'projectId', '') = ${req.project?.id || ""}`,
         ],
         { useReplica: false }
       );
@@ -1176,6 +1192,7 @@ async function handleCreateStream(req: Request) {
     renditions: {},
     objectStoreId,
     id,
+    projectId: req.project?.id ?? "",
     createdAt,
     streamKey,
     playbackId,
@@ -1207,7 +1224,11 @@ app.post("/:id/heartbeat", authorizer({ anyAdmin: true }), async (req, res) => {
   logger.info(`got /heartbeat for stream=${id}`);
 
   const stream = await db.stream.get(id, { useReplica: false });
-  if (!stream || (stream.deleted && !req.user.admin)) {
+  if (
+    !stream ||
+    (stream.deleted && !req.user.admin) ||
+    stream.projectId !== req.project?.id
+  ) {
     res.status(404);
     return res.json({ errors: ["not found"] });
   }
@@ -1227,7 +1248,11 @@ app.put(
     );
 
     const stream = await db.stream.get(id, { useReplica: false });
-    if (!stream || (stream.deleted && !req.user.admin)) {
+    if (
+      !stream ||
+      (stream.deleted && !req.user.admin) ||
+      stream.projectId !== req.project?.id
+    ) {
       res.status(404);
       return res.json({ errors: ["not found"] });
     }
@@ -1536,7 +1561,7 @@ app.post(
 
     const stream = await db.stream.get(req.params.id);
 
-    if (!stream || stream.deleted) {
+    if (!stream || stream.deleted || stream.projectId !== req.project?.id) {
       res.status(404);
       return res.json({ errors: ["stream not found"] });
     }
@@ -1625,7 +1650,7 @@ app.patch(
 
     const exists = stream && !stream.deleted;
     const hasAccess = stream?.userId === req.user.id || req.isUIAdmin;
-    if (!exists || !hasAccess) {
+    if (!exists || !hasAccess || stream.projectId !== req.project?.id) {
       res.status(404);
       return res.json({ errors: ["not found"] });
     }
@@ -1704,7 +1729,7 @@ app.patch(
 app.patch("/:id/record", authorizer({}), async (req, res) => {
   const { id } = req.params;
   const stream = await db.stream.get(id);
-  if (!stream || stream.deleted) {
+  if (!stream || stream.deleted || stream.projectId !== req.project?.id) {
     res.status(404);
     return res.json({ errors: ["not found"] });
   }
@@ -1737,7 +1762,8 @@ app.delete("/:id", authorizer({}), async (req, res) => {
   if (
     !stream ||
     stream.deleted ||
-    (stream.userId !== req.user.id && !req.user.admin)
+    (stream.userId !== req.user.id && !req.user.admin) ||
+    stream.projectId !== req.project?.id
   ) {
     res.status(404);
     return res.json({ errors: ["not found"] });
@@ -1767,7 +1793,8 @@ app.delete("/", authorizer({}), async (req, res) => {
     const streams = await db.stream.getMany(ids);
     if (
       streams.length !== ids.length ||
-      streams.some((s) => s.userId !== req.user.id)
+      streams.some((s) => s.userId !== req.user.id) ||
+      streams.some((s) => s.projectId !== req.project.id)
     ) {
       res.status(404);
       return res.json({ errors: ["not found"] });
@@ -1800,7 +1827,8 @@ app.get("/:id/info", authorizer({}), async (req, res) => {
   }
   if (
     !stream ||
-    (!req.user.admin && (stream.deleted || stream.userId !== req.user.id))
+    (!req.user.admin && (stream.deleted || stream.userId !== req.user.id)) ||
+    stream.projectId !== req.project?.id
   ) {
     res.status(404);
     return res.json({
@@ -1836,7 +1864,12 @@ app.get("/:id/config", authorizer({ anyAdmin: true }), async (req, res) => {
   let stream = await db.stream.getByPlaybackId(id, {
     useReplica: false,
   });
-  if (!stream || stream.deleted || stream.suspended) {
+  if (
+    !stream ||
+    stream.deleted ||
+    stream.suspended ||
+    stream.projectId !== req.project?.id
+  ) {
     res.status(404);
     return res.json({
       errors: ["not found"],
@@ -1870,7 +1903,8 @@ app.patch("/:id/suspended", authorizer({}), async (req, res) => {
   const stream = await db.stream.get(id);
   if (
     !stream ||
-    (!req.user.admin && (stream.deleted || stream.userId !== req.user.id))
+    (!req.user.admin && (stream.deleted || stream.userId !== req.user.id)) ||
+    stream.projectId !== req.project?.id
   ) {
     res.status(404);
     return res.json({ errors: ["not found"] });
@@ -1893,7 +1927,8 @@ app.post(
     const stream = await db.stream.get(id);
     if (
       !stream ||
-      (!req.user.admin && (stream.deleted || stream.userId !== req.user.id))
+      (!req.user.admin && (stream.deleted || stream.userId !== req.user.id)) ||
+      stream.projectId !== req.project?.id
     ) {
       res.status(404);
       return res.json({ errors: ["not found"] });
@@ -1916,7 +1951,8 @@ app.delete("/:id/terminate", authorizer({}), async (req, res) => {
   const stream = await db.stream.get(id);
   if (
     !stream ||
-    (!req.user.admin && (stream.deleted || stream.userId !== req.user.id))
+    (!req.user.admin && (stream.deleted || stream.userId !== req.user.id)) ||
+    stream.projectId !== req.project?.id
   ) {
     res.status(404);
     return res.json({ errors: ["not found"] });
diff --git a/packages/api/src/schema/api-schema.yaml b/packages/api/src/schema/api-schema.yaml
index 2687819b62..6bcf8f865d 100644
--- a/packages/api/src/schema/api-schema.yaml
+++ b/packages/api/src/schema/api-schema.yaml
@@ -531,6 +531,10 @@ components:
               height: 720
           items:
             $ref: "#/components/schemas/ffmpeg-profile"
+        projectId:
+          type: string
+          description: The ID of the project
+          example: aac12556-4d65-4d34-9fb6-d1f0985eb0a9
         record:
           description: |
             Should this stream be recorded? Uses default settings. For more
@@ -786,6 +790,10 @@ components:
           type: string
           example: de7818e7-610a-4057-8f6f-b785dc1e6f88
           description: Points to parent stream object
+        projectId:
+          type: string
+          description: The ID of the project
+          example: aac12556-4d65-4d34-9fb6-d1f0985eb0a9
         record:
           description: |
             Whether the stream should be recorded. Uses default settings. For more