diff --git a/packages/client/src/crud/CRUD.test.tsx b/packages/client/src/crud/CRUD.test.tsx
index b2a350d..d223a2e 100644
--- a/packages/client/src/crud/CRUD.test.tsx
+++ b/packages/client/src/crud/CRUD.test.tsx
@@ -58,8 +58,8 @@ describe('CRUD', () => {
   const http = new HTTPClientMock<ITestAPI>()
   const actions = createCRUDActions(
     http,
-    '/one/:oneId/two',
     '/one/:oneId/two/:twoId',
+    '/one/:oneId/two',
     'TEST',
   )
   const crudReducer = new CRUDReducer<ITwo, 'TEST'>('TEST')
@@ -249,7 +249,6 @@ describe('CRUD', () => {
 
         it('updates state', async () => {
           const action = dispatch(testCase.method, actions[method]({
-            query: undefined,
             params: testCase.params,
             body: testCase.body,
           }))
@@ -300,7 +299,6 @@ describe('CRUD', () => {
         expect(store.getState().Crud.ids).toEqual([entity.id])
         const action2 = store.dispatch(actions.remove({
           params: removeTestCase.params,
-          body: removeTestCase.body,
         }))
         await action2.payload
         expect(store.getState().Crud.ids).toEqual([])
diff --git a/packages/client/src/crud/CRUDActions.ts b/packages/client/src/crud/CRUDActions.ts
index 9c46d9d..eda55fa 100644
--- a/packages/client/src/crud/CRUDActions.ts
+++ b/packages/client/src/crud/CRUDActions.ts
@@ -1,12 +1,10 @@
 import {ICRUDAction} from './ICRUDAction'
 import {ICRUDMethod} from './ICRUDMethod'
 import {IHTTPClient, ITypedRequestParams} from '../http'
-import {IRoutes} from '@rondo/common'
+import {IRoutes, Filter, OnlyDefined} from '@rondo/common'
 
 export type Optional<T> = T extends {} ? T : undefined
 
-type Filter<T, U> = T extends U ? T : never
-
 type Action<T, ActionType extends string, Method extends ICRUDMethod> =
   Filter<ICRUDAction<T, ActionType>, {method: Method, status: 'pending'}>
 
@@ -22,12 +20,13 @@ export class SaveActionCreator<
     readonly type: ActionType,
   ) {}
 
-  save = (params: {
+  save = (params: OnlyDefined<{
     body: T[Route]['post']['body'],
     params: T[Route]['post']['params'],
-  }): Action<T[Route]['post']['response'], ActionType, 'save'> => {
+  }>): Action<T[Route]['post']['response'], ActionType, 'save'> => {
+    const p = params as any
     return {
-      payload: this.http.post(this.route, params.body, params.params),
+      payload: this.http.post(this.route, p.body, p.params),
       type: this.type,
       method: 'save',
       status: 'pending',
@@ -47,12 +46,13 @@ export class FindOneActionCreator<
     readonly type: ActionType,
   ) {}
 
-  findOne = (params: {
+  findOne = (params: OnlyDefined<{
     query: Optional<T[Route]['get']['query']>,
     params: T[Route]['get']['params'],
-  }): Action<T[Route]['get']['response'], ActionType, 'findOne'> => {
+  }>): Action<T[Route]['get']['response'], ActionType, 'findOne'> => {
+    const p = params as any
     return {
-      payload: this.http.get(this.route, params.query, params.params),
+      payload: this.http.get(this.route, p.query, p.params),
       type: this.type,
       method: 'findOne',
       status: 'pending',
@@ -73,12 +73,13 @@ export class UpdateActionCreator<
     readonly type: ActionType,
   ) {}
 
-  update = (params: {
+  update = (params: OnlyDefined<{
     body: T[Route]['put']['body'],
     params: T[Route]['put']['params'],
-  }): Action<T[Route]['put']['response'], ActionType, 'update'> => {
+  }>): Action<T[Route]['put']['response'], ActionType, 'update'> => {
+    const p = params as any
     return {
-      payload: this.http.put(this.route, params.body, params.params),
+      payload: this.http.put(this.route, p.body, p.params),
       type: this.type,
       method: 'update',
       status: 'pending',
@@ -99,12 +100,13 @@ export class RemoveActionCreator<
     readonly type: ActionType,
   ) {}
 
-  remove = (params: {
-    body: T[Route]['delete']['body'],
+  remove = (params: OnlyDefined<{
+    body: Optional<T[Route]['delete']['body']>,
     params: T[Route]['delete']['params'],
-  }): Action<T[Route]['delete']['response'], ActionType, 'remove'> => {
+  }>): Action<T[Route]['delete']['response'], ActionType, 'remove'> => {
+    const p = params as any
     return {
-      payload: this.http.delete(this.route, params.body, params.params),
+      payload: this.http.delete(this.route, p.body, p.params),
       type: this.type,
       method: 'remove',
       status: 'pending',
@@ -124,12 +126,18 @@ export class FindManyActionCreator<
     readonly type: ActionType,
   ) {}
 
-  findMany = (params: {
+  findMany = (params: OnlyDefined<{
     query: Optional<T[Route]['get']['query']>,
     params: T[Route]['get']['params'],
-  }): Action<T[Route]['get']['response'], ActionType, 'findMany'> => {
+  }>): {
+    payload: Promise<T[Route]['get']['response']>
+    type: ActionType
+    status: 'pending',
+    method: 'findMany',
+  } => {
+    const p = params as any
     return {
-      payload: this.http.get(this.route, params.query, params.params),
+      payload: this.http.get(this.route, p.query, p.params),
       type: this.type,
       method: 'findMany',
       status: 'pending',
@@ -149,11 +157,11 @@ export function createCRUDActions<
   listRoute: ListRoute,
   actionType: ActionType,
 ) {
-  const {save} = new SaveActionCreator(http, entityRoute, actionType)
-  const {update} = new UpdateActionCreator(http, listRoute, actionType)
-  const {remove} = new RemoveActionCreator(http, listRoute, actionType)
-  const {findOne} = new FindOneActionCreator(http, listRoute, actionType)
-  const {findMany} = new FindManyActionCreator(http, entityRoute, actionType)
+  const {save} = new SaveActionCreator(http, listRoute, actionType)
+  const {update} = new UpdateActionCreator(http, entityRoute, actionType)
+  const {remove} = new RemoveActionCreator(http, entityRoute, actionType)
+  const {findOne} = new FindOneActionCreator(http, entityRoute, actionType)
+  const {findMany} = new FindManyActionCreator(http, listRoute, actionType)
 
   return {save, update, remove, findOne, findMany}
 }
diff --git a/packages/client/src/crud/CRUDReducer.ts b/packages/client/src/crud/CRUDReducer.ts
index f9feec0..2cf9f8c 100644
--- a/packages/client/src/crud/CRUDReducer.ts
+++ b/packages/client/src/crud/CRUDReducer.ts
@@ -1,9 +1,7 @@
 import {IAction, IResolvedAction} from '../actions'
 import {ICRUDAction} from './ICRUDAction'
 import {ICRUDMethod} from './ICRUDMethod'
-import {indexBy, without} from '@rondo/common'
-
-type Filter<T, U> = T extends U ? T : never
+import {indexBy, without, Filter} from '@rondo/common'
 
 export interface ICRUDEntity {
   readonly id: number
diff --git a/packages/client/src/crud/jerko.ts b/packages/client/src/crud/jerko.ts
new file mode 100644
index 0000000..f3ef6d0
--- /dev/null
+++ b/packages/client/src/crud/jerko.ts
@@ -0,0 +1,31 @@
+export type NonUndefinedPropertyNames<T> = {
+  [K in keyof T]: T[K] extends undefined ? never: K
+}[keyof T]
+
+export type OnlyRequired<T> = Pick<T, NonUndefinedPropertyNames<T>>
+
+type Args1 = OnlyRequired<{
+  query: {a: number, b: string}
+  params: {c: number}
+}>
+
+type Args2 = OnlyRequired<{
+  query: {a: number, b: string}
+  params: undefined
+}>
+
+type Args3 = OnlyRequired<{
+  query: undefined
+  params: undefined
+}>
+
+const a: Args1 = {
+  query: {a: 1, b: 'two'},
+  params: {c: 3},
+}
+
+const b: Args2 = {
+  query: {a: 1, b: 'two'},
+}
+
+const c: Args3 = {}