diff --git a/frontends/web/src/api/swap.ts b/frontends/web/src/api/swap.ts
new file mode 100644
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+++ b/frontends/web/src/api/swap.ts
@@ -0,0 +1,66 @@
+/**
+ * Copyright 2025 Shift Crypto AG
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import type { FailResponse, SuccessResponse } from './response';
+import type { AccountCode } from './account';
+import { apiGet, apiPost } from '@/utils/request';
+import { subscribeEndpoint, TUnsubscribe } from './subscribe';
+
+export type TSwapQuotes = {
+  quoteId: string;
+  buyAsset: 'ETH.ETH';
+  sellAsset: 'BTC.BTC';
+  sellAmount: '0.001';
+  // expectedBuyAmount;
+  // expectedBuyAmountMaxSlippage;
+  // fees: [];
+  // routeId: string;
+  // ...
+  // expiration
+  // estimatedTime
+  // warnings: [];
+  // targetAddress // so we can show the address in the app so the user can confirm with the one on the device
+  // memo?
+};
+
+export const getSwapState = (): Promise<TSwapQuotes> => {
+  return apiGet('swap/state');
+};
+
+export const syncSwapState = (
+  cb: (state: TSwapQuotes) => void
+): TUnsubscribe => {
+  return subscribeEndpoint('swap/state', cb);
+};
+
+export type TProposeSwap = {
+  buyAsset: AccountCode;
+  sellAmount: string;
+  sellAsset: AccountCode;
+};
+
+export const proposeSwap = (
+  data: TProposeSwap,
+): Promise<void> => {
+  return apiPost('swap/quote', data);
+};
+
+type TSwapFailed = FailResponse & { aborted: boolean };
+type TSwapExecutionResult = SuccessResponse | TSwapFailed;
+
+export const executeSwap = (): Promise<TSwapExecutionResult> => {
+  return apiPost('swap/execute');
+};