diff --git a/src/components/swap-form/swap-details/swap-details.module.css b/src/components/swap-form/swap-details/swap-details.module.css
index badaf97..ac1c9d5 100644
--- a/src/components/swap-form/swap-details/swap-details.module.css
+++ b/src/components/swap-form/swap-details/swap-details.module.css
@@ -11,10 +11,22 @@
     font-size: 14px;
 }
 
+.zero_fee {
+    height: unset;
+    padding: 2px var(--half-step);
+    border-radius: var(--step);
+    font-size: 12px;
+    line-height: unset;
+    color: rgb(var(--green-color));
+    background-color: rgba(var(--green-color), 0.25);
+}
+
 .toggle_button {
     flex: 1;
     display: flex;
     justify-content: flex-end;
+    align-items: center;
+    gap: var(--step);
     cursor: pointer;
 }
 
diff --git a/src/components/swap-form/swap-details/swap-details.tsx b/src/components/swap-form/swap-details/swap-details.tsx
index 4a1d62d..f4af20d 100644
--- a/src/components/swap-form/swap-details/swap-details.tsx
+++ b/src/components/swap-form/swap-details/swap-details.tsx
@@ -12,6 +12,7 @@ import {
 } from '../../../store/swap-routes/swap-routes-selectors';
 import {formatNumber} from '../../../utils/format-number.utils';
 import {getClassName} from '../../../utils/style.utils';
+import {isTolFeePromo} from '../../../utils/tol-fee.utils';
 import {Skeleton} from '../../skeleton/skeleton';
 
 interface Props extends Omit<SwapDetailsHeaderProps, 'routesLength'> {
@@ -27,6 +28,7 @@ export const SwapDetails: FC<Props> = ({
 
     const isRoutesLoading = useIsRoutesLoadingSelector();
     const swapDisplayData = useSwapDisplayDataSelector();
+    const isTolPromo = isTolFeePromo(inputAsset.address, outputAsset.address);
 
     const data = useMemo(() => {
         if (swapDisplayData.routes.length === 0) {
@@ -78,6 +80,9 @@ export const SwapDetails: FC<Props> = ({
                             className={styles.toggle_button}
                             onClick={toggleAccordion}
                         >
+                            {isTolPromo && (
+                                <p className={styles.zero_fee}>0% fee</p>
+                            )}
                             <ChevronDownIcon
                                 className={getClassName(
                                     styles.chevron,
diff --git a/src/store/swap-routes/swap-routes-epics.ts b/src/store/swap-routes/swap-routes-epics.ts
index 88d8cfc..cb89499 100644
--- a/src/store/swap-routes/swap-routes-epics.ts
+++ b/src/store/swap-routes/swap-routes-epics.ts
@@ -11,6 +11,7 @@ import {DEBOUNCE_DUE_TIME} from '../../globals';
 import {RootState} from '../index';
 import {emptyBestRouteResponse} from './swap-routes-state';
 import {sentryCatchError} from '../../utils/sentry.utils';
+import {isTolFeePromo} from '../../utils/tol-fee.utils';
 
 const loadSwapRoutesEpic: Epic<Action, Action, RootState> = (action$, state$) =>
     action$.pipe(
@@ -28,15 +29,28 @@ const loadSwapRoutesEpic: Epic<Action, Action, RootState> = (action$, state$) =>
                 );
             }
 
-            const maxDepth =
+            let maxDepth =
                 payload.inputAssetAddress === payload.outputAssetAddress
                     ? RiskTolerance.Risky
                     : payload.riskTolerance;
+            let maxSplits = payload.maxSplits;
             const maxSlippage = Number(state.settings.maxSlippage);
             const referralAddress =
                 state.wallet.pointsState.walletPoints.data.refParent ??
                 state.wallet.pointsState.refWallet ??
                 undefined;
+            let partnerId: string | undefined = undefined;
+
+            if (
+                isTolFeePromo(
+                    payload.inputAssetAddress,
+                    payload.outputAssetAddress
+                )
+            ) {
+                maxDepth = RiskTolerance.Safe;
+                maxSplits = 1;
+                partnerId = 'TolS7Promo';
+            }
 
             return from(
                 getBestRoute({
@@ -45,9 +59,10 @@ const loadSwapRoutesEpic: Epic<Action, Action, RootState> = (action$, state$) =>
                     outputAssetAddress: payload.outputAssetAddress,
                     senderAddress: payload.senderAddress,
                     maxDepth,
-                    maxSplits: payload.maxSplits,
+                    maxSplits,
                     maxSlippage,
-                    referralAddress
+                    referralAddress,
+                    partnerId
                 })
             ).pipe(
                 map(response =>
diff --git a/src/utils/tol-fee.utils.ts b/src/utils/tol-fee.utils.ts
new file mode 100644
index 0000000..1fb8e4c
--- /dev/null
+++ b/src/utils/tol-fee.utils.ts
@@ -0,0 +1,26 @@
+import {TON, USDT} from '../globals';
+
+const AquaUSD = 'EQAWDyxARSl3ol2G1RMLMwepr3v6Ter5ls3jiAlheKshgg0K';
+const wsTON = 'EQB0SoxuGDx5qjVt0P_bPICFeWdFLBmVopHhjgfs0q-wsTON';
+const DONE = 'EQCgGUMB_u1Gkrskw2o407Ig8ymQmfkxWuPW2d4INuQoPFJO';
+const stTON = 'EQDNhy-nxYFgUqzfUzImBEP67JqsyMIcyk2S5_RwNNEYku0k';
+const hTON = 'EQDPdq8xjAhytYqfGSX8KcFWIReCufsB9Wdg0pLlYSO_h76w';
+
+const FEE_FREE_PAIRS = [
+    [AquaUSD, USDT],
+    [TON, wsTON],
+    [DONE, USDT],
+    [TON, stTON],
+    [TON, hTON]
+];
+
+export const isTolFeePromo = (
+    inputAssetAddress: string,
+    outputAssetAddress: string
+) =>
+    inputAssetAddress !== outputAssetAddress &&
+    FEE_FREE_PAIRS.some(
+        pair =>
+            pair.includes(inputAssetAddress) &&
+            pair.includes(outputAssetAddress)
+    );