diff --git a/.changeset/nine-pandas-judge.md b/.changeset/nine-pandas-judge.md
new file mode 100644
index 00000000..58fbd8b3
--- /dev/null
+++ b/.changeset/nine-pandas-judge.md
@@ -0,0 +1,5 @@
+---
+"@balancer/sdk": patch
+---
+
+Add vault and vault extension abis to any router interactions to enable decoded error messages.
diff --git a/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityProportionalQuery.ts b/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityProportionalQuery.ts
index 26ce916b..4c60ac11 100644
--- a/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityProportionalQuery.ts
+++ b/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityProportionalQuery.ts
@@ -1,7 +1,12 @@
 import { createPublicClient, http } from 'viem';
 import { AddLiquidityProportionalInput } from '../types';
 import { BALANCER_ROUTER, CHAINS } from '@/utils';
-import { balancerRouterAbi } from '@/abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '@/abi';
 import { Address } from '@/types';
 
 export const doAddLiquidityProportionalQuery = async (
@@ -16,7 +21,12 @@ export const doAddLiquidityProportionalQuery = async (
 
     const { result: amountsIn } = await client.simulateContract({
         address: BALANCER_ROUTER[chainId],
-        abi: balancerRouterAbi,
+        abi: [
+            ...balancerRouterAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'queryAddLiquidityProportional',
         args: [poolAddress, bptOut, '0x'],
     });
diff --git a/src/entities/addLiquidity/addLiquidityV3/doAddLiquiditySingleTokenQuery.ts b/src/entities/addLiquidity/addLiquidityV3/doAddLiquiditySingleTokenQuery.ts
index 39f9214b..db88f2f8 100644
--- a/src/entities/addLiquidity/addLiquidityV3/doAddLiquiditySingleTokenQuery.ts
+++ b/src/entities/addLiquidity/addLiquidityV3/doAddLiquiditySingleTokenQuery.ts
@@ -1,7 +1,12 @@
 import { createPublicClient, http } from 'viem';
 import { AddLiquiditySingleTokenInput } from '../types';
 import { BALANCER_ROUTER, CHAINS } from '@/utils';
-import { balancerRouterAbi } from '@/abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '@/abi';
 import { Address } from '@/types';
 
 export const doAddLiquiditySingleTokenQuery = async (
@@ -16,7 +21,12 @@ export const doAddLiquiditySingleTokenQuery = async (
 
     const { result: amountIn } = await client.simulateContract({
         address: BALANCER_ROUTER[chainId],
-        abi: balancerRouterAbi,
+        abi: [
+            ...balancerRouterAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'queryAddLiquiditySingleTokenExactOut',
         args: [poolAddress, tokenIn, bptOut, '0x'],
     });
diff --git a/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityUnbalancedQuery.ts b/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityUnbalancedQuery.ts
index dae017fc..2c20149f 100644
--- a/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityUnbalancedQuery.ts
+++ b/src/entities/addLiquidity/addLiquidityV3/doAddLiquidityUnbalancedQuery.ts
@@ -1,7 +1,12 @@
 import { createPublicClient, http } from 'viem';
 import { AddLiquidityUnbalancedInput } from '../types';
 import { BALANCER_ROUTER, CHAINS } from '@/utils';
-import { balancerRouterAbi } from '@/abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '@/abi';
 import { Address } from '@/types';
 
 export const doAddLiquidityUnbalancedQuery = async (
@@ -16,7 +21,12 @@ export const doAddLiquidityUnbalancedQuery = async (
 
     const { result: bptAmountOut } = await client.simulateContract({
         address: BALANCER_ROUTER[chainId],
-        abi: balancerRouterAbi,
+        abi: [
+            ...balancerRouterAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'queryAddLiquidityUnbalanced',
         args: [poolAddress, maxAmountsIn, '0x'],
     });
diff --git a/src/entities/addLiquidityNested/doAddLiquidityNestedQuery.ts b/src/entities/addLiquidityNested/doAddLiquidityNestedQuery.ts
index 063a1e70..8dfe2ba7 100644
--- a/src/entities/addLiquidityNested/doAddLiquidityNestedQuery.ts
+++ b/src/entities/addLiquidityNested/doAddLiquidityNestedQuery.ts
@@ -6,7 +6,12 @@ import {
 } from 'viem';
 import { Hex } from '../../types';
 import { BALANCER_RELAYER, CHAINS, ChainId } from '../../utils';
-import { balancerRelayerAbi } from '../../abi';
+import {
+    balancerRelayerAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '../../abi';
 
 export const doAddLiquidityNestedQuery = async (
     chainId: ChainId,
@@ -24,7 +29,12 @@ export const doAddLiquidityNestedQuery = async (
     });
 
     const result = decodeFunctionResult({
-        abi: balancerRelayerAbi,
+        abi: [
+            ...balancerRelayerAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'vaultActionsQueryMulticall',
         data: data as Hex,
     });
diff --git a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityProportionalQuery.ts b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityProportionalQuery.ts
index af4fc3b3..65e7dc50 100644
--- a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityProportionalQuery.ts
+++ b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityProportionalQuery.ts
@@ -1,4 +1,9 @@
-import { balancerRouterAbi } from '@/abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '@/abi';
 import { BALANCER_ROUTER, CHAINS } from '@/utils';
 import { createPublicClient, http } from 'viem';
 import { RemoveLiquidityProportionalInput } from '../types';
@@ -14,7 +19,12 @@ export const doRemoveLiquidityProportionalQuery = async (
     });
     const { result: amountsOut } = await client.simulateContract({
         address: BALANCER_ROUTER[chainId],
-        abi: balancerRouterAbi,
+        abi: [
+            ...balancerRouterAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'queryRemoveLiquidityProportional',
         args: [poolAddress, bptIn.rawAmount, '0x'],
     });
diff --git a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityRecoveryQuery.ts b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityRecoveryQuery.ts
index a31d4cb1..a7df806c 100644
--- a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityRecoveryQuery.ts
+++ b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquidityRecoveryQuery.ts
@@ -1,4 +1,9 @@
-import { balancerRouterAbi } from '@/abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '@/abi';
 import { BALANCER_ROUTER, CHAINS } from '@/utils';
 import { createPublicClient, http } from 'viem';
 import { RemoveLiquidityRecoveryInput } from '../types';
@@ -16,7 +21,12 @@ export const doRemoveLiquidityRecoveryQuery = async (
 
     const { result: amountsOut } = await client.simulateContract({
         address: BALANCER_ROUTER[chainId],
-        abi: balancerRouterAbi,
+        abi: [
+            ...balancerRouterAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'queryRemoveLiquidityRecovery',
         args: [poolAddress, bptIn.rawAmount],
     });
diff --git a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactInQuery.ts b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactInQuery.ts
index 55219337..36562dee 100644
--- a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactInQuery.ts
+++ b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactInQuery.ts
@@ -1,4 +1,9 @@
-import { balancerRouterAbi } from '@/abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '@/abi';
 import { BALANCER_ROUTER, CHAINS } from '@/utils';
 import { createPublicClient, http } from 'viem';
 import { RemoveLiquiditySingleTokenExactInInput } from '../types';
@@ -19,7 +24,12 @@ export const doRemoveLiquiditySingleTokenExactInQuery = async (
     });
     const { result: amountOut } = await client.simulateContract({
         address: BALANCER_ROUTER[chainId],
-        abi: balancerRouterAbi,
+        abi: [
+            ...balancerRouterAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'queryRemoveLiquiditySingleTokenExactIn',
         args: [poolAddress, bptIn.rawAmount, tokenOut, '0x'],
     });
diff --git a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactOutQuery.ts b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactOutQuery.ts
index d7647436..665a6271 100644
--- a/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactOutQuery.ts
+++ b/src/entities/removeLiquidity/removeLiquidityV3/doRemoveLiquiditySingleTokenExactOutQuery.ts
@@ -1,4 +1,9 @@
-import { balancerRouterAbi } from '@/abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '@/abi';
 import { BALANCER_ROUTER, CHAINS } from '@/utils';
 import { createPublicClient, http } from 'viem';
 import { RemoveLiquiditySingleTokenExactOutInput } from '../types';
@@ -14,7 +19,12 @@ export const doRemoveLiquiditySingleTokenExactOutQuery = async (
     });
     const { result: bptIn } = await client.simulateContract({
         address: BALANCER_ROUTER[chainId],
-        abi: balancerRouterAbi,
+        abi: [
+            ...balancerRouterAbi,
+            ...vaultV3Abi,
+            ...vaultExtensionV3Abi,
+            ...permit2Abi,
+        ],
         functionName: 'queryRemoveLiquiditySingleTokenExactOut',
         args: [poolAddress, amountOut.address, amountOut.rawAmount, '0x'],
     });
diff --git a/src/entities/swap/swaps/v3/index.ts b/src/entities/swap/swaps/v3/index.ts
index 5573a455..f4908091 100644
--- a/src/entities/swap/swaps/v3/index.ts
+++ b/src/entities/swap/swaps/v3/index.ts
@@ -15,7 +15,12 @@ import {
     MAX_UINT256,
     CHAINS,
 } from '../../../../utils';
-import { balancerRouterAbi } from '../../../../abi';
+import {
+    balancerRouterAbi,
+    permit2Abi,
+    vaultExtensionV3Abi,
+    vaultV3Abi,
+} from '../../../../abi';
 import {
     ExactInQueryOutput,
     ExactOutQueryOutput,
@@ -106,7 +111,12 @@ export class SwapV3 implements SwapBase {
     ): Promise<ExactInQueryOutput | ExactOutQueryOutput> {
         const routerContract = getContract({
             address: BALANCER_ROUTER[this.chainId],
-            abi: balancerRouterAbi,
+            abi: [
+                ...balancerRouterAbi,
+                ...vaultV3Abi,
+                ...vaultExtensionV3Abi,
+                ...permit2Abi,
+            ],
             client,
         });
         if ('exactAmountIn' in this.swaps) {
@@ -194,7 +204,12 @@ export class SwapV3 implements SwapBase {
         // Note - batchSwaps are made via the Batch Router
         const batchRouterContract = getContract({
             address: BALANCER_BATCH_ROUTER[this.chainId],
-            abi: balancerBatchRouterAbi,
+            abi: [
+                ...balancerBatchRouterAbi,
+                ...vaultV3Abi,
+                ...vaultExtensionV3Abi,
+                ...permit2Abi,
+            ],
             client,
         });
         /*