diff --git a/app/javascript/mastodon/actions/account_notes.ts b/app/javascript/mastodon/actions/account_notes.ts
index bf4f93dca9..c2ebaf54a4 100644
--- a/app/javascript/mastodon/actions/account_notes.ts
+++ b/app/javascript/mastodon/actions/account_notes.ts
@@ -3,7 +3,8 @@ import { createDataLoadingThunk } from 'mastodon/store/typed_functions';
 
 export const submitAccountNote = createDataLoadingThunk(
   'account_note/submit',
-  (accountId: string, note: string) => apiSubmitAccountNote(accountId, note),
+  ({ accountId, note }: { accountId: string; note: string }) =>
+    apiSubmitAccountNote(accountId, note),
   (relationship) => ({ relationship }),
   { skipLoading: true },
 );
diff --git a/app/javascript/mastodon/actions/interactions_typed.ts b/app/javascript/mastodon/actions/interactions_typed.ts
index 5180806087..f58faffa86 100644
--- a/app/javascript/mastodon/actions/interactions_typed.ts
+++ b/app/javascript/mastodon/actions/interactions_typed.ts
@@ -6,8 +6,13 @@ import { importFetchedStatus } from './importer';
 
 export const reblog = createDataLoadingThunk(
   'status/reblog',
-  (statusId: string, visibility: StatusVisibility) =>
-    apiReblog(statusId, visibility),
+  ({
+    statusId,
+    visibility,
+  }: {
+    statusId: string;
+    visibility: StatusVisibility;
+  }) => apiReblog(statusId, visibility),
   (data, { dispatch, discardLoadData }) => {
     // The reblog API method returns a new status wrapped around the original. In this case we are only
     // interested in how the original is modified, hence passing it skipping the wrapper
@@ -20,7 +25,7 @@ export const reblog = createDataLoadingThunk(
 
 export const unreblog = createDataLoadingThunk(
   'status/unreblog',
-  (statusId: string) => apiUnreblog(statusId),
+  ({ statusId }: { statusId: string }) => apiUnreblog(statusId),
   (data, { dispatch, discardLoadData }) => {
     dispatch(importFetchedStatus(data));
 
diff --git a/app/javascript/mastodon/api.ts b/app/javascript/mastodon/api.ts
index 4e5ccef08c..e133125a29 100644
--- a/app/javascript/mastodon/api.ts
+++ b/app/javascript/mastodon/api.ts
@@ -62,12 +62,12 @@ export default function api(withAuthorization = true) {
 export async function apiRequest<ApiResponse = unknown>(
   method: Method,
   url: string,
-  params?: unknown,
+  params?: Record<string, unknown>,
 ) {
   const { data } = await api().request<ApiResponse>({
     method,
-    url,
-    params,
+    url: '/api/' + url,
+    data: params,
   });
 
   return data;
diff --git a/app/javascript/mastodon/api/accounts.ts b/app/javascript/mastodon/api/accounts.ts
index 51b1f4f8de..3d89e44b26 100644
--- a/app/javascript/mastodon/api/accounts.ts
+++ b/app/javascript/mastodon/api/accounts.ts
@@ -2,6 +2,6 @@ import { apiRequest } from 'mastodon/api';
 import type { ApiRelationshipJSON } from 'mastodon/api_types/relationships';
 
 export const apiSubmitAccountNote = (id: string, value: string) =>
-  apiRequest<ApiRelationshipJSON>('post', `/api/v1/accounts/${id}/note`, {
+  apiRequest<ApiRelationshipJSON>('post', `v1/accounts/${id}/note`, {
     comment: value,
   });
diff --git a/app/javascript/mastodon/containers/status_container.jsx b/app/javascript/mastodon/containers/status_container.jsx
index 0174e5a02c..4a9b525777 100644
--- a/app/javascript/mastodon/containers/status_container.jsx
+++ b/app/javascript/mastodon/containers/status_container.jsx
@@ -96,9 +96,9 @@ const mapDispatchToProps = (dispatch, { intl, contextType }) => ({
 
   onModalReblog (status, privacy) {
     if (status.get('reblogged')) {
-      dispatch(unreblog(status.id));
+      dispatch(unreblog({ statusId: status.get('id') }));
     } else {
-      dispatch(reblog(status.id, privacy));
+      dispatch(reblog({ statusId: status.get('id'), visibility: privacy }));
     }
   },
 
diff --git a/app/javascript/mastodon/features/account/containers/account_note_container.js b/app/javascript/mastodon/features/account/containers/account_note_container.js
index 9fbe0671c0..1530242d69 100644
--- a/app/javascript/mastodon/features/account/containers/account_note_container.js
+++ b/app/javascript/mastodon/features/account/containers/account_note_container.js
@@ -11,7 +11,7 @@ const mapStateToProps = (state, { account }) => ({
 const mapDispatchToProps = (dispatch, { account }) => ({
 
   onSave (value) {
-    dispatch(submitAccountNote(account.get('id'), value));
+    dispatch(submitAccountNote({ accountId: account.get('id'), note: value }));
   },
 
 });
diff --git a/app/javascript/mastodon/features/notifications/containers/notification_container.js b/app/javascript/mastodon/features/notifications/containers/notification_container.js
index d829cb833e..650acf4ccd 100644
--- a/app/javascript/mastodon/features/notifications/containers/notification_container.js
+++ b/app/javascript/mastodon/features/notifications/containers/notification_container.js
@@ -39,12 +39,12 @@ const mapDispatchToProps = dispatch => ({
   },
 
   onModalReblog (status, privacy) {
-    dispatch(reblog(status.id, privacy));
+    dispatch(reblog({ statusId: status.get('id'), visibility: privacy }));
   },
 
   onReblog (status, e) {
     if (status.get('reblogged')) {
-      dispatch(unreblog(status.id));
+      dispatch(unreblog({ statusId: status.get('id') }));
     } else {
       if (e.shiftKey || !boostModal) {
         this.onModalReblog(status);
diff --git a/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx b/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx
index 1c142f3c10..ba0642da28 100644
--- a/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx
+++ b/app/javascript/mastodon/features/picture_in_picture/components/footer.jsx
@@ -123,7 +123,7 @@ class Footer extends ImmutablePureComponent {
 
   _performReblog = (status, privacy) => {
     const { dispatch } = this.props;
-    dispatch(reblog(status.id, privacy));
+    dispatch(reblog({ statusId: status.get('id'), visibility: privacy }));
   };
 
   handleReblogClick = e => {
@@ -132,7 +132,7 @@ class Footer extends ImmutablePureComponent {
 
     if (signedIn) {
       if (status.get('reblogged')) {
-        dispatch(unreblog(status.id));
+        dispatch(unreblog({ statusId: status.get('id') }));
       } else if ((e && e.shiftKey) || !boostModal) {
         this._performReblog(status);
       } else {
diff --git a/app/javascript/mastodon/features/status/containers/detailed_status_container.js b/app/javascript/mastodon/features/status/containers/detailed_status_container.js
index 91bc700e98..c3d4fec4db 100644
--- a/app/javascript/mastodon/features/status/containers/detailed_status_container.js
+++ b/app/javascript/mastodon/features/status/containers/detailed_status_container.js
@@ -74,12 +74,12 @@ const mapDispatchToProps = (dispatch, { intl }) => ({
   },
 
   onModalReblog (status, privacy) {
-    dispatch(reblog(status.id, privacy));
+    dispatch(reblog({ statusId: status.get('id'), visibility: privacy }));
   },
 
   onReblog (status, e) {
     if (status.get('reblogged')) {
-      dispatch(unreblog(status.id));
+      dispatch(unreblog({ statusId: status.get('id') }));
     } else {
       if (e.shiftKey || !boostModal) {
         this.onModalReblog(status);
diff --git a/app/javascript/mastodon/features/status/index.jsx b/app/javascript/mastodon/features/status/index.jsx
index 48f045a4af..7f37cb50d2 100644
--- a/app/javascript/mastodon/features/status/index.jsx
+++ b/app/javascript/mastodon/features/status/index.jsx
@@ -299,7 +299,7 @@ class Status extends ImmutablePureComponent {
   };
 
   handleModalReblog = (status, privacy) => {
-    this.props.dispatch(reblog(status.id, privacy));
+    this.props.dispatch(reblog({ statusId: status.get('id'), visibility: privacy }));
   };
 
   handleReblogClick = (status, e) => {
@@ -308,7 +308,7 @@ class Status extends ImmutablePureComponent {
 
     if (signedIn) {
       if (status.get('reblogged')) {
-        dispatch(unreblog(status.id));
+        dispatch(unreblog({ statusId: status.get('id') }));
       } else {
         if ((e && e.shiftKey) || !boostModal) {
           this.handleModalReblog(status);
diff --git a/app/javascript/mastodon/reducers/statuses.js b/app/javascript/mastodon/reducers/statuses.js
index 1da1c9cf2f..ca766f73a3 100644
--- a/app/javascript/mastodon/reducers/statuses.js
+++ b/app/javascript/mastodon/reducers/statuses.js
@@ -122,13 +122,13 @@ export default function statuses(state = initialState, action) {
     return statusTranslateUndo(state, action.id);
   default:
     if(reblog.pending.match(action))
-      return state.setIn([action.meta.params.statusId, 'reblogged'], true);
+      return state.setIn([action.meta.arg.statusId, 'reblogged'], true);
     else if(reblog.rejected.match(action))
-      return state.get(action.meta.params.statusId) === undefined ? state : state.setIn([action.meta.params.statusId, 'reblogged'], false);
+      return state.get(action.meta.arg.statusId) === undefined ? state : state.setIn([action.meta.arg.statusId, 'reblogged'], false);
     else if(unreblog.pending.match(action))
-      return state.setIn([action.meta.params.statusId, 'reblogged'], false);
+      return state.setIn([action.meta.arg.statusId, 'reblogged'], false);
     else if(unreblog.rejected.match(action))
-      return state.get(action.meta.params.statusId) === undefined ? state : state.setIn([action.meta.params.statusId, 'reblogged'], true);
+      return state.get(action.meta.arg.statusId) === undefined ? state : state.setIn([action.meta.arg.statusId, 'reblogged'], true);
     else
       return state;
   }
diff --git a/app/javascript/mastodon/store/typed_functions.ts b/app/javascript/mastodon/store/typed_functions.ts
index 4b07a55610..0392f373c0 100644
--- a/app/javascript/mastodon/store/typed_functions.ts
+++ b/app/javascript/mastodon/store/typed_functions.ts
@@ -92,20 +92,20 @@ type OnData<LoadDataResult, ReturnedData> = (
 // Overload when there is no `onData` method, the payload is the `onData` result
 export function createDataLoadingThunk<
   LoadDataResult,
-  Args extends readonly unknown[],
+  Args extends Record<string, unknown>,
 >(
   name: string,
-  loadData: (...args: Args) => Promise<LoadDataResult>,
+  loadData: (args: Args) => Promise<LoadDataResult>,
   thunkOptions?: AppThunkOptions,
 ): ReturnType<typeof createThunk<Args, LoadDataResult>>;
 
 // Overload when the `onData` method returns discardLoadDataInPayload, then the payload is empty
 export function createDataLoadingThunk<
   LoadDataResult,
-  Args extends readonly unknown[],
+  Args extends Record<string, unknown>,
 >(
   name: string,
-  loadData: (...args: Args) => Promise<LoadDataResult>,
+  loadData: (args: Args) => Promise<LoadDataResult>,
   onDataOrThunkOptions?:
     | AppThunkOptions
     | OnData<LoadDataResult, DiscardLoadData>,
@@ -115,10 +115,10 @@ export function createDataLoadingThunk<
 // Overload when the `onData` method returns nothing, then the mayload is the `onData` result
 export function createDataLoadingThunk<
   LoadDataResult,
-  Args extends readonly unknown[],
+  Args extends Record<string, unknown>,
 >(
   name: string,
-  loadData: (...args: Args) => Promise<LoadDataResult>,
+  loadData: (args: Args) => Promise<LoadDataResult>,
   onDataOrThunkOptions?: AppThunkOptions | OnData<LoadDataResult, void>,
   thunkOptions?: AppThunkOptions,
 ): ReturnType<typeof createThunk<Args, LoadDataResult>>;
@@ -126,11 +126,11 @@ export function createDataLoadingThunk<
 // Overload when there is an `onData` method returning something
 export function createDataLoadingThunk<
   LoadDataResult,
-  Args extends readonly unknown[],
+  Args extends Record<string, unknown>,
   Returned,
 >(
   name: string,
-  loadData: (...args: Args) => Promise<LoadDataResult>,
+  loadData: (args: Args) => Promise<LoadDataResult>,
   onDataOrThunkOptions?: AppThunkOptions | OnData<LoadDataResult, Returned>,
   thunkOptions?: AppThunkOptions,
 ): ReturnType<typeof createThunk<Args, Returned>>;
@@ -142,7 +142,7 @@ export function createDataLoadingThunk<
  *
  * It is a wrapper around RTK's [`createAsyncThunk`](https://redux-toolkit.js.org/api/createAsyncThunk)
  * @param name Prefix for the actions types
- * @param loadData Function that loads the data. It's arguments will become the thunk's arguments
+ * @param loadData Function that loads the data. It's (object) argument will become the thunk's argument
  * @param onDataOrThunkOptions
  *   Callback called on the results from `loadData`.
  *
@@ -162,11 +162,11 @@ export function createDataLoadingThunk<
  */
 export function createDataLoadingThunk<
   LoadDataResult,
-  Args extends readonly unknown[],
+  Args extends Record<string, unknown>,
   Returned,
 >(
   name: string,
-  loadData: (...args: Args) => Promise<LoadDataResult>,
+  loadData: (args: Args) => Promise<LoadDataResult>,
   onDataOrThunkOptions?: AppThunkOptions | OnData<LoadDataResult, Returned>,
   maybeThunkOptions?: AppThunkOptions,
 ) {
@@ -184,7 +184,7 @@ export function createDataLoadingThunk<
   return createThunk<Args, Returned>(
     name,
     async (arg, { getState, dispatch }) => {
-      const data = await loadData(...arg);
+      const data = await loadData(arg);
 
       if (!onData) return data as Returned;