diff --git a/service/controllers/messaging.js b/service/controllers/messaging.js
index 1615d29..eada569 100644
--- a/service/controllers/messaging.js
+++ b/service/controllers/messaging.js
@@ -3,9 +3,10 @@ import {
   addMessageToChatQuery,
   updateClientSocketByChatIdQuery,
   updateProviderSocketByChatIdQuery,
+  getAllChatDataQuery,
 } from "#queries/messaging";
 
-import { chatNotFound } from "#utils/errors";
+import { chatNotFound, userNotAuthorized } from "#utils/errors";
 
 export const getChatById = async ({ country, language, chatId }) => {
   return await getChatByIdQuery({ poolCountry: country, chatId })
@@ -123,3 +124,39 @@ export const updateProviderSocketByChatId = async ({
       throw err;
     });
 };
+
+export const getAllChatData = async ({
+  country,
+  language,
+  providerDetailId,
+  clientDetailId,
+  requesterId,
+  requestedBy,
+}) => {
+  const clientIdMismatch =
+    requestedBy === "client" && requesterId !== clientDetailId;
+  const providerIdMismatch =
+    requestedBy === "provider" && requesterId !== providerDetailId;
+  if (clientIdMismatch || providerIdMismatch) {
+    throw userNotAuthorized(language);
+  }
+
+  return await getAllChatDataQuery({
+    poolCountry: country,
+    providerDetailId,
+    clientDetailId,
+  })
+    .then((res) => {
+      if (res.rowCount === 0) {
+        return chatNotFound(language);
+      } else {
+        const messages = res.rows.map((x) => x.messages).flat();
+        const result = res.rows[0];
+        result.messages = messages.filter((x) => x !== null);
+        return result;
+      }
+    })
+    .catch((err) => {
+      throw err;
+    });
+};
diff --git a/service/queries/messaging.js b/service/queries/messaging.js
index 55570f6..9e2ac83 100644
--- a/service/queries/messaging.js
+++ b/service/queries/messaging.js
@@ -50,3 +50,19 @@ export const updateProviderSocketByChatIdQuery = async ({
       `,
     [chatId, socketId]
   );
+
+export const getAllChatDataQuery = async ({
+  poolCountry,
+  providerDetailId,
+  clientDetailId,
+}) => {
+  return await getDBPool("clinicalDb", poolCountry).query(
+    `
+        SELECT chat_id, client_detail_id, provider_detail_id, messages, date, client_socket_id, provider_socket_id
+        FROM chat
+        WHERE client_detail_id = $1 AND provider_detail_id = $2
+        ORDER BY created_at ASC
+      `,
+    [clientDetailId, providerDetailId]
+  );
+};
diff --git a/service/routes/v1/MessagingRouter.js b/service/routes/v1/MessagingRouter.js
index e2daa12..19650ab 100644
--- a/service/routes/v1/MessagingRouter.js
+++ b/service/routes/v1/MessagingRouter.js
@@ -9,6 +9,7 @@ import {
   updateClientSocketByChatId,
   getProviderSocketByChatId,
   updateProviderSocketByChatId,
+  getAllChatData,
 } from "#controllers/messaging";
 
 import {
@@ -18,6 +19,7 @@ import {
   updateClientSocketByChatIdSchema,
   getProviderSocketByChatIdSchema,
   updateProviderSocketByChatIdSchema,
+  getAllChatDataSchema,
 } from "#schemas/messagingSchemas";
 
 const router = express.Router();
@@ -158,4 +160,33 @@ router.put("/provider-socket", async (req, res, next) => {
     .catch(next);
 });
 
+router.get("/all-chat-data", populateUser, async (req, res, next) => {
+  /**
+   * #route   GET /messaging/v1/all-chat-data
+   * #desc    Get all chat data by given provider detail ID and client detail ID
+   */
+  const country = req.header("x-country-alpha-2");
+  const language = req.header("x-language-alpha-2");
+
+  const { providerDetailId, clientDetailId } = req.query;
+  const { client_detail_id, provider_detail_id, type } = req.user;
+
+  const requesterId = type === "client" ? client_detail_id : provider_detail_id;
+
+  return await getAllChatDataSchema
+    .noUnknown(true)
+    .strict(true)
+    .validate({
+      country,
+      language,
+      providerDetailId,
+      clientDetailId,
+      requesterId,
+      requestedBy: type,
+    })
+    .then(getAllChatData)
+    .then((result) => res.status(200).send(result))
+    .catch(next);
+});
+
 export { router };
diff --git a/service/schemas/messagingSchemas.js b/service/schemas/messagingSchemas.js
index dea4166..40b01b9 100644
--- a/service/schemas/messagingSchemas.js
+++ b/service/schemas/messagingSchemas.js
@@ -43,3 +43,12 @@ export const updateProviderSocketByChatIdSchema = yup.object().shape({
   chatId: yup.string().uuid().required(),
   socketId: yup.string().required(),
 });
+
+export const getAllChatDataSchema = yup.object().shape({
+  country: yup.string().required(),
+  language: yup.string().required(),
+  providerDetailId: yup.string().uuid().required(),
+  clientDetailId: yup.string().uuid().required(),
+  requesterId: yup.string().uuid().required(),
+  requestedBy: yup.string().oneOf(["client", "provider"]).required(),
+});
diff --git a/service/utils/errors.js b/service/utils/errors.js
index 8cda05b..3b34d9f 100644
--- a/service/utils/errors.js
+++ b/service/utils/errors.js
@@ -7,3 +7,11 @@ export const chatNotFound = (language) => {
   error.status = 404;
   return error;
 };
+
+export const userNotAuthorized = (language) => {
+  const error = new Error();
+  error.message = t("user_not_authorized_error", language);
+  error.name = "USER NOT AUTHORIZED";
+  error.status = 401;
+  return error;
+};