diff --git a/package-lock.json b/package-lock.json
index 239694a7..9a697511 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.20.82",
+  "version": "0.20.83-rc5",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "@orionprotocol/sdk",
-      "version": "0.20.82",
+      "version": "0.20.83-rc5",
       "hasInstallScript": true,
       "license": "ISC",
       "dependencies": {
@@ -27,7 +27,7 @@
         "merge-anything": "^5.1.7",
         "neverthrow": "^6.0.0",
         "patch-package": "^8.0.0",
-        "simple-typed-fetch": "0.2.3",
+        "simple-typed-fetch": "0.2.5",
         "stream-browserify": "^3.0.0",
         "tiny-invariant": "^1.3.1",
         "ts-is-present": "^1.2.2",
@@ -10399,9 +10399,9 @@
       "dev": true
     },
     "node_modules/simple-typed-fetch": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/simple-typed-fetch/-/simple-typed-fetch-0.2.3.tgz",
-      "integrity": "sha512-EXP2mVVsVf4A3+5QGevs8789ztnT6FozsYyMrIrUYhfqtX2V+X9xETHeGXffmgv7YQ0p+GrW7N+5x+b+pBW59Q==",
+      "version": "0.2.5",
+      "resolved": "https://registry.npmjs.org/simple-typed-fetch/-/simple-typed-fetch-0.2.5.tgz",
+      "integrity": "sha512-T/KKUHKOZgaYVp3dbjE1wEK5cAGmG5N7FNAzP6ZGqLDhzBsRm3Gpt8bO/kowV6bt8duXDWiapYFQibW/8iHp6Q==",
       "dependencies": {
         "isomorphic-unfetch": "^4.0.2",
         "neverthrow": "^6.0.0",
@@ -19333,9 +19333,9 @@
       "dev": true
     },
     "simple-typed-fetch": {
-      "version": "0.2.3",
-      "resolved": "https://registry.npmjs.org/simple-typed-fetch/-/simple-typed-fetch-0.2.3.tgz",
-      "integrity": "sha512-EXP2mVVsVf4A3+5QGevs8789ztnT6FozsYyMrIrUYhfqtX2V+X9xETHeGXffmgv7YQ0p+GrW7N+5x+b+pBW59Q==",
+      "version": "0.2.5",
+      "resolved": "https://registry.npmjs.org/simple-typed-fetch/-/simple-typed-fetch-0.2.5.tgz",
+      "integrity": "sha512-T/KKUHKOZgaYVp3dbjE1wEK5cAGmG5N7FNAzP6ZGqLDhzBsRm3Gpt8bO/kowV6bt8duXDWiapYFQibW/8iHp6Q==",
       "requires": {
         "isomorphic-unfetch": "^4.0.2",
         "neverthrow": "^6.0.0",
diff --git a/package.json b/package.json
index e2cb3dc7..96f6ba6d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.20.82",
+  "version": "0.20.83-rc5",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
@@ -102,7 +102,7 @@
     "merge-anything": "^5.1.7",
     "neverthrow": "^6.0.0",
     "patch-package": "^8.0.0",
-    "simple-typed-fetch": "0.2.3",
+    "simple-typed-fetch": "0.2.5",
     "stream-browserify": "^3.0.0",
     "tiny-invariant": "^1.3.1",
     "ts-is-present": "^1.2.2",
diff --git a/src/services/BlockchainService/index.ts b/src/services/BlockchainService/index.ts
index ceacbcbe..c368d15c 100644
--- a/src/services/BlockchainService/index.ts
+++ b/src/services/BlockchainService/index.ts
@@ -12,7 +12,7 @@ import {
   pairStatusSchema,
   pricesWithQuoteAssetSchema,
   referralDataSchema,
-  pmmSchema
+  pmmSchema,
 } from './schemas/index.js';
 import type redeemOrderSchema from '../Aggregator/schemas/redeemOrderSchema.js';
 import { sourceAtomicHistorySchema, targetAtomicHistorySchema } from './schemas/atomicHistorySchema.js';
@@ -64,6 +64,10 @@ type PlatformFees = {
   walletAddress?: string | undefined
   fromWidget?: string | undefined
 }
+type DueLiabilityEstimateProps = {
+  asset: string
+  amount: number
+}
 
 class BlockchainService {
   private readonly apiUrl: string;
@@ -115,6 +119,7 @@ class BlockchainService {
     this.claimOrder = this.claimOrder.bind(this);
     this.getGasLimits = this.getGasLimits.bind(this);
     this.getExchangeContractWalletBalance = this.getExchangeContractWalletBalance.bind(this);
+    this.getDueLiabilityEstimate = this.getDueLiabilityEstimate.bind(this);
   }
 
   get basicAuthHeaders() {
@@ -271,6 +276,12 @@ class BlockchainService {
     { headers: this.basicAuthHeaders }
   );
 
+  getDueLiabilityEstimate = ({ asset, amount }: DueLiabilityEstimateProps) => fetchWithValidation(
+    `${this.apiUrl}/api/due-liability-estimate/${asset}/${amount}`,
+    z.number().nonnegative(),
+    { headers: this.basicAuthHeaders }
+  );
+
   getGasPriceWei = () => fetchWithValidation(
     `${this.apiUrl}/api/gasPrice`,
     z.string(),
diff --git a/src/services/BlockchainService/schemas/index.ts b/src/services/BlockchainService/schemas/index.ts
index 886cb3a1..3533c761 100644
--- a/src/services/BlockchainService/schemas/index.ts
+++ b/src/services/BlockchainService/schemas/index.ts
@@ -15,4 +15,4 @@ export { default as userEarnedSchema } from './userEarnedSchema.js';
 export { default as poolsV3InfoSchema } from './poolsV3InfoSchema.js';
 export { default as pmmSchema } from './pmmSchema.js';
 export { pricesWithQuoteAssetSchema } from './pricesWithQuoteAssetSchema.js';
-export { referralDataSchema } from './referralDataSchema.js';
\ No newline at end of file
+export { referralDataSchema } from './referralDataSchema.js';