diff --git a/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-many.handler.ts b/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-many.handler.ts
index dc5b1de2d..4a0c98cda 100644
--- a/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-many.handler.ts
+++ b/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-many.handler.ts
@@ -1,4 +1,8 @@
-import { BadRequestException, Injectable } from '@nestjs/common';
+import {
+  BadRequestException,
+  Injectable,
+  InternalServerErrorException,
+} from '@nestjs/common';
 
 import { Request } from 'express';
 import { isDefined } from 'twenty-shared/utils';
@@ -72,7 +76,7 @@ export class RestApiCreateManyHandler extends RestApiBaseHandler {
     });
 
     if (records.length !== body.length) {
-      throw new Error(
+      throw new InternalServerErrorException(
         `Error when creating records. ${body.length - records.length} records are missing after creation.`,
       );
     }
diff --git a/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-one.handler.ts b/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-one.handler.ts
index 1d99e49ac..d69db19dc 100644
--- a/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-one.handler.ts
+++ b/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-create-one.handler.ts
@@ -1,4 +1,8 @@
-import { BadRequestException, Injectable } from '@nestjs/common';
+import {
+  BadRequestException,
+  Injectable,
+  InternalServerErrorException,
+} from '@nestjs/common';
 
 import { Request } from 'express';
 import { isDefined } from 'twenty-shared/utils';
@@ -57,7 +61,7 @@ export class RestApiCreateOneHandler extends RestApiBaseHandler {
     const record = records[0];
 
     if (!isDefined(record)) {
-      throw new Error('Created record not found');
+      throw new InternalServerErrorException('Created record not found');
     }
 
     return this.formatResult({
diff --git a/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-update-one.handler.ts b/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-update-one.handler.ts
index 4d236a2c9..47cef77e8 100644
--- a/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-update-one.handler.ts
+++ b/packages/twenty-server/src/engine/api/rest/core/handlers/rest-api-update-one.handler.ts
@@ -1,4 +1,8 @@
-import { BadRequestException, Injectable } from '@nestjs/common';
+import {
+  BadRequestException,
+  Injectable,
+  InternalServerErrorException,
+} from '@nestjs/common';
 
 import { Request } from 'express';
 import { isDefined } from 'twenty-shared/utils';
@@ -54,7 +58,7 @@ export class RestApiUpdateOneHandler extends RestApiBaseHandler {
     const record = records[0];
 
     if (!isDefined(record)) {
-      throw new Error('Updated record not found');
+      throw new InternalServerErrorException('Updated record not found');
     }
 
     return this.formatResult({
diff --git a/packages/twenty-server/src/engine/api/rest/rest-api-exception.filter.ts b/packages/twenty-server/src/engine/api/rest/rest-api-exception.filter.ts
index a94dfc577..b7df941d8 100644
--- a/packages/twenty-server/src/engine/api/rest/rest-api-exception.filter.ts
+++ b/packages/twenty-server/src/engine/api/rest/rest-api-exception.filter.ts
@@ -1,9 +1,13 @@
-import { ArgumentsHost, Catch, ExceptionFilter } from '@nestjs/common';
+import {
+  ArgumentsHost,
+  Catch,
+  ExceptionFilter,
+  HttpException,
+} from '@nestjs/common';
 
 import { Response } from 'express';
 
 import { HttpExceptionHandlerService } from 'src/engine/core-modules/exception-handler/http-exception-handler.service';
-import { CustomException } from 'src/utils/custom-exception';
 
 @Catch()
 export class RestApiExceptionFilter implements ExceptionFilter {
@@ -15,10 +19,13 @@ export class RestApiExceptionFilter implements ExceptionFilter {
     const ctx = host.switchToHttp();
     const response = ctx.getResponse<Response>();
 
+    const statusCode =
+      exception instanceof HttpException ? exception.getStatus() : 400; // should actually default to 500 but we dont have input validation yet and dont want to be flooded with errors from input https://github.com/twentyhq/core-team-issues/issues/1027
+
     return this.httpExceptionHandlerService.handleError(
-      exception as CustomException,
+      exception as Error | HttpException,
       response,
-      400,
+      statusCode,
     );
   }
 }
diff --git a/packages/twenty-server/src/engine/core-modules/exception-handler/http-exception-handler.service.ts b/packages/twenty-server/src/engine/core-modules/exception-handler/http-exception-handler.service.ts
index fc118ca5e..913b3c385 100644
--- a/packages/twenty-server/src/engine/core-modules/exception-handler/http-exception-handler.service.ts
+++ b/packages/twenty-server/src/engine/core-modules/exception-handler/http-exception-handler.service.ts
@@ -1,4 +1,10 @@
-import { BadRequestException, Inject, Injectable, Scope } from '@nestjs/common';
+import {
+  BadRequestException,
+  HttpException,
+  Inject,
+  Injectable,
+  Scope,
+} from '@nestjs/common';
 import { REQUEST } from '@nestjs/core';
 
 import { Response } from 'express';
@@ -16,6 +22,34 @@ interface RequestAndParams {
   params: any;
 }
 
+const getErrorNameFromStatusCode = (statusCode: number) => {
+  switch (statusCode) {
+    case 400:
+      return 'BadRequestException';
+    case 401:
+      return 'UnauthorizedException';
+    case 403:
+      return 'ForbiddenException';
+    case 404:
+      return 'NotFoundException';
+    case 405:
+      return 'MethodNotAllowedException';
+    case 409:
+      return 'ConflictException';
+    case 422:
+      return 'UnprocessableEntityException';
+    case 500:
+      return 'InternalServerErrorException';
+    default: {
+      if (statusCode >= 500) {
+        return 'InternalServerErrorException';
+      }
+
+      return 'BadRequestException';
+    }
+  }
+};
+
 @Injectable({ scope: Scope.REQUEST })
 export class HttpExceptionHandlerService {
   constructor(
@@ -25,15 +59,13 @@ export class HttpExceptionHandlerService {
   ) {}
 
   handleError = (
-    exception: Error,
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
+    exception: Error | HttpException,
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     response: Response<any, Record<string, any>>,
     errorCode?: number,
     user?: ExceptionHandlerUser,
     workspace?: ExceptionHandlerWorkspace,
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
-    // eslint-disable-next-line @typescript-eslint/no-explicit-any
   ): Response<any, Record<string, any>> | undefined => {
     const params = this.request?.params;
 
@@ -62,7 +94,7 @@ export class HttpExceptionHandlerService {
 
     return response.status(statusCode).send({
       statusCode,
-      error: exception.name || 'BadRequestException',
+      error: exception.name ?? getErrorNameFromStatusCode(statusCode),
       messages: [exception?.message],
     });
   };
diff --git a/packages/twenty-server/src/engine/utils/global-exception-handler.util.ts b/packages/twenty-server/src/engine/utils/global-exception-handler.util.ts
index 24524a0cf..cf094d506 100644
--- a/packages/twenty-server/src/engine/utils/global-exception-handler.util.ts
+++ b/packages/twenty-server/src/engine/utils/global-exception-handler.util.ts
@@ -86,7 +86,9 @@ export const shouldCaptureException = (
   return true;
 };
 
-export const handleException = <T extends Error | CustomException>({
+export const handleException = <
+  T extends Error | CustomException | HttpException,
+>({
   exception,
   exceptionHandlerService,
   user,