diff --git a/backend/src/server/app.ts b/backend/src/server/app.ts
index cf7dd622a..439514031 100644
--- a/backend/src/server/app.ts
+++ b/backend/src/server/app.ts
@@ -17,6 +17,7 @@ import { Logger } from "pino";
 import { HsmModule } from "@app/ee/services/hsm/hsm-types";
 import { TKeyStoreFactory } from "@app/keystore/keystore";
 import { getConfig, IS_PACKAGED } from "@app/lib/config/env";
+import { alphaNumericNanoId } from "@app/lib/nanoid";
 import { TQueueServiceFactory } from "@app/queue";
 import { TSmtpService } from "@app/services/smtp/smtp-service";
 
@@ -47,6 +48,7 @@ export const main = async ({ db, hsmModule, auditLogDb, smtp, logger, queue, key
 
   const server = fastify({
     logger: appCfg.NODE_ENV === "test" ? false : logger,
+    genReqId: () => `req-${alphaNumericNanoId(14)}`,
     trustProxy: true,
     connectionTimeout: appCfg.isHsmConfigured ? 90_000 : 30_000,
     ignoreTrailingSlash: true,
diff --git a/backend/src/server/plugins/error-handler.ts b/backend/src/server/plugins/error-handler.ts
index c08b2fe4c..e60e245eb 100644
--- a/backend/src/server/plugins/error-handler.ts
+++ b/backend/src/server/plugins/error-handler.ts
@@ -39,77 +39,96 @@ export const fastifyErrHandler = fastifyPlugin(async (server: FastifyZodProvider
     if (error instanceof BadRequestError) {
       void res
         .status(HttpStatusCodes.BadRequest)
-        .send({ statusCode: HttpStatusCodes.BadRequest, message: error.message, error: error.name });
+        .send({ requestId: req.id, statusCode: HttpStatusCodes.BadRequest, message: error.message, error: error.name });
     } else if (error instanceof NotFoundError) {
       void res
         .status(HttpStatusCodes.NotFound)
-        .send({ statusCode: HttpStatusCodes.NotFound, message: error.message, error: error.name });
+        .send({ requestId: req.id, statusCode: HttpStatusCodes.NotFound, message: error.message, error: error.name });
     } else if (error instanceof UnauthorizedError) {
-      void res
-        .status(HttpStatusCodes.Unauthorized)
-        .send({ statusCode: HttpStatusCodes.Unauthorized, message: error.message, error: error.name });
+      void res.status(HttpStatusCodes.Unauthorized).send({
+        requestId: req.id,
+        statusCode: HttpStatusCodes.Unauthorized,
+        message: error.message,
+        error: error.name
+      });
     } else if (error instanceof DatabaseError || error instanceof InternalServerError) {
-      void res
-        .status(HttpStatusCodes.InternalServerError)
-        .send({ statusCode: HttpStatusCodes.InternalServerError, message: "Something went wrong", error: error.name });
+      void res.status(HttpStatusCodes.InternalServerError).send({
+        requestId: req.id,
+        statusCode: HttpStatusCodes.InternalServerError,
+        message: "Something went wrong",
+        error: error.name
+      });
     } else if (error instanceof GatewayTimeoutError) {
-      void res
-        .status(HttpStatusCodes.GatewayTimeout)
-        .send({ statusCode: HttpStatusCodes.GatewayTimeout, message: error.message, error: error.name });
+      void res.status(HttpStatusCodes.GatewayTimeout).send({
+        requestId: req.id,
+        statusCode: HttpStatusCodes.GatewayTimeout,
+        message: error.message,
+        error: error.name
+      });
     } else if (error instanceof ZodError) {
-      void res
-        .status(HttpStatusCodes.Unauthorized)
-        .send({ statusCode: HttpStatusCodes.Unauthorized, error: "ValidationFailure", message: error.issues });
+      void res.status(HttpStatusCodes.Unauthorized).send({
+        requestId: req.id,
+        statusCode: HttpStatusCodes.Unauthorized,
+        error: "ValidationFailure",
+        message: error.issues
+      });
     } else if (error instanceof ForbiddenError) {
       void res.status(HttpStatusCodes.Forbidden).send({
+        requestId: req.id,
         statusCode: HttpStatusCodes.Forbidden,
         error: "PermissionDenied",
         message: `You are not allowed to ${error.action} on ${error.subjectType} - ${JSON.stringify(error.subject)}`
       });
     } else if (error instanceof ForbiddenRequestError) {
       void res.status(HttpStatusCodes.Forbidden).send({
+        requestId: req.id,
         statusCode: HttpStatusCodes.Forbidden,
         message: error.message,
         error: error.name
       });
     } else if (error instanceof RateLimitError) {
       void res.status(HttpStatusCodes.TooManyRequests).send({
+        requestId: req.id,
         statusCode: HttpStatusCodes.TooManyRequests,
         message: error.message,
         error: error.name
       });
     } else if (error instanceof ScimRequestError) {
       void res.status(error.status).send({
+        requestId: req.id,
         schemas: error.schemas,
         status: error.status,
         detail: error.detail
       });
     } else if (error instanceof OidcAuthError) {
-      void res
-        .status(HttpStatusCodes.InternalServerError)
-        .send({ statusCode: HttpStatusCodes.InternalServerError, message: error.message, error: error.name });
+      void res.status(HttpStatusCodes.InternalServerError).send({
+        requestId: req.id,
+        statusCode: HttpStatusCodes.InternalServerError,
+        message: error.message,
+        error: error.name
+      });
     } else if (error instanceof jwt.JsonWebTokenError) {
-      const message = (() => {
-        if (error.message === JWTErrors.JwtExpired) {
-          return "Your token has expired. Please re-authenticate.";
-        }
-        if (error.message === JWTErrors.JwtMalformed) {
-          return "The provided access token is malformed. Please use a valid token or generate a new one and try again.";
-        }
-        if (error.message === JWTErrors.InvalidAlgorithm) {
-          return "The access token is signed with an invalid algorithm. Please provide a valid token and try again.";
-        }
+      let errorMessage = error.message;
 
-        return error.message;
-      })();
+      if (error.message === JWTErrors.JwtExpired) {
+        errorMessage = "Your token has expired. Please re-authenticate.";
+      } else if (error.message === JWTErrors.JwtMalformed) {
+        errorMessage =
+          "The provided access token is malformed. Please use a valid token or generate a new one and try again.";
+      } else if (error.message === JWTErrors.InvalidAlgorithm) {
+        errorMessage =
+          "The access token is signed with an invalid algorithm. Please provide a valid token and try again.";
+      }
 
       void res.status(HttpStatusCodes.Forbidden).send({
+        requestId: req.id,
         statusCode: HttpStatusCodes.Forbidden,
         error: "TokenError",
-        message
+        message: errorMessage
       });
     } else {
       void res.status(HttpStatusCodes.InternalServerError).send({
+        requestId: req.id,
         statusCode: HttpStatusCodes.InternalServerError,
         error: "InternalServerError",
         message: "Something went wrong"
diff --git a/backend/src/server/routes/sanitizedSchemas.ts b/backend/src/server/routes/sanitizedSchemas.ts
index 87fa2b120..de4a1d848 100644
--- a/backend/src/server/routes/sanitizedSchemas.ts
+++ b/backend/src/server/routes/sanitizedSchemas.ts
@@ -30,26 +30,31 @@ export const integrationAuthPubSchema = IntegrationAuthsSchema.pick({
 
 export const DefaultResponseErrorsSchema = {
   400: z.object({
+    requestId: z.string(),
     statusCode: z.literal(400),
     message: z.string(),
     error: z.string()
   }),
   404: z.object({
+    requestId: z.string(),
     statusCode: z.literal(404),
     message: z.string(),
     error: z.string()
   }),
   401: z.object({
+    requestId: z.string(),
     statusCode: z.literal(401),
     message: z.any(),
     error: z.string()
   }),
   403: z.object({
+    requestId: z.string(),
     statusCode: z.literal(403),
     message: z.string(),
     error: z.string()
   }),
   500: z.object({
+    requestId: z.string(),
     statusCode: z.literal(500),
     message: z.string(),
     error: z.string()
diff --git a/frontend/src/hooks/api/types.ts b/frontend/src/hooks/api/types.ts
index 516a5d7cf..9126559d3 100644
--- a/frontend/src/hooks/api/types.ts
+++ b/frontend/src/hooks/api/types.ts
@@ -50,12 +50,15 @@ export enum ApiErrorTypes {
 
 export type TApiErrors =
   | {
+      requestId: string;
       error: ApiErrorTypes.ValidationError;
       message: ZodIssue[];
       statusCode: 403;
     }
-  | { error: ApiErrorTypes.ForbiddenError; message: string; statusCode: 401 }
+  | { requestId: string; error: ApiErrorTypes.ForbiddenError; message: string; statusCode: 403 }
+  | { requestId: string; error: ApiErrorTypes.UnauthorizedError; message: string; statusCode: 401 }
   | {
+      requestId: string;
       statusCode: 400;
       message: string;
       error: ApiErrorTypes.BadRequestError;
diff --git a/frontend/src/reactQuery.tsx b/frontend/src/reactQuery.tsx
index bf764d2d7..464efe105 100644
--- a/frontend/src/reactQuery.tsx
+++ b/frontend/src/reactQuery.tsx
@@ -28,20 +28,26 @@ export const queryClient = new QueryClient({
                     </div>
                   </div>
                 ))}
+                <div className="mt-2">Request ID: {serverResponse.requestId}</div>
               </div>
             )
           });
           return;
         }
-        if (serverResponse.statusCode === 401) {
-          createNotification({
-            title: "Forbidden Access",
-            type: "error",
-            text: serverResponse.message
-          });
-          return;
-        }
-        createNotification({ title: "Bad Request", type: "error", text: serverResponse.message });
+
+        const title =
+          // eslint-disable-next-line no-nested-ternary
+          serverResponse.statusCode === 403
+            ? "Forbidden Access"
+            : serverResponse.statusCode === 401
+            ? "Unauthorized Access"
+            : "Bad Request";
+
+        createNotification({
+          title,
+          type: "error",
+          text: `${serverResponse.message} [requestId=${serverResponse.requestId}]`
+        });
       }
     }
   }),