diff --git a/package.json b/package.json
index a07086d..2cf75ca 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@orionprotocol/sdk",
-  "version": "0.20.76-rc107",
+  "version": "0.20.76-rc108",
   "description": "Orion Protocol SDK",
   "main": "./lib/index.cjs",
   "module": "./lib/index.js",
diff --git a/src/config/chains.json b/src/config/chains.json
index 9d21aae..3fecfd8 100644
--- a/src/config/chains.json
+++ b/src/config/chains.json
@@ -232,5 +232,18 @@
       "WETH": "0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7",
       "curveRegistry": ""
     }
+  },
+  "8453": {
+    "chainId": "8453",
+    "label": "Base",
+    "shortName": "BASE",
+    "code": "base",
+    "baseCurrencyName": "ETH",
+    "rpc": "https://mainnet.base.org/",
+    "explorer": "https://basescan.org/",
+    "contracts": {
+      "WETH": "0x4200000000000000000000000000000000000006",
+      "curveRegistry": ""
+    }
   }
 }
diff --git a/src/config/envs.json b/src/config/envs.json
index a6c3988..12e87f9 100644
--- a/src/config/envs.json
+++ b/src/config/envs.json
@@ -182,6 +182,24 @@
             "http": "/orion-indexer/"
           }
         }
+      },
+      "8453": {
+        "api": "https://trade.orion.xyz/base-mainnet",
+        "services": {
+          "aggregator": {
+            "http": "/backend",
+            "ws": "/v1"
+          },
+          "blockchain": {
+            "http": ""
+          },
+          "priceFeed": {
+            "all": "/price-feed"
+          },
+          "indexer": {
+            "http": "/orion-indexer/"
+          }
+        }
       }
     }
   },
@@ -429,7 +447,7 @@
         }
       },
       "2525": {
-        "api": "https://trade.orion.xyz/inevm-mainnet",
+        "api": "https://staging.orion.xyz/inevm-mainnet",
         "services": {
           "aggregator": {
             "http": "/backend",
@@ -447,7 +465,7 @@
         }
       },
       "59144": {
-        "api": "https://trade.orion.xyz/linea-mainnet",
+        "api": "https://staging.orion.xyz/linea-mainnet",
         "services": {
           "aggregator": {
             "http": "/backend",
@@ -465,7 +483,25 @@
         }
       },
       "43114": {
-        "api": "https://trade.orion.xyz/avalanche-c-chain",
+        "api": "https://staging.orion.xyz/avalanche-c-chain",
+        "services": {
+          "aggregator": {
+            "http": "/backend",
+            "ws": "/v1"
+          },
+          "blockchain": {
+            "http": ""
+          },
+          "priceFeed": {
+            "all": "/price-feed"
+          },
+          "indexer": {
+            "http": "/orion-indexer/"
+          }
+        }
+      },
+      "8453": {
+        "api": "https://staging.orion.xyz/base-mainnet",
         "services": {
           "aggregator": {
             "http": "/backend",
diff --git a/src/constants/chains.ts b/src/constants/chains.ts
index aac8213..1fb8ff3 100644
--- a/src/constants/chains.ts
+++ b/src/constants/chains.ts
@@ -20,4 +20,5 @@ export const productionChains = [
   SupportedChainId.INEVM,
   SupportedChainId.LINEA,
   SupportedChainId.AVAX,
+  SupportedChainId.BASE,
 ];
diff --git a/src/constants/networkCodes.ts b/src/constants/networkCodes.ts
index c3a5dad..498e149 100644
--- a/src/constants/networkCodes.ts
+++ b/src/constants/networkCodes.ts
@@ -1 +1 @@
-export default ['ftm', 'bsc', 'eth', 'polygon', 'okc', 'arb', 'drip', 'opbnb', 'inevm', 'linea', 'avax'] as const;
+export default ['ftm', 'bsc', 'eth', 'polygon', 'okc', 'arb', 'drip', 'opbnb', 'inevm', 'linea', 'avax', 'base'] as const;
diff --git a/src/constants/uppercasedNetworkCodes.ts b/src/constants/uppercasedNetworkCodes.ts
index 6b8e312..e69605f 100644
--- a/src/constants/uppercasedNetworkCodes.ts
+++ b/src/constants/uppercasedNetworkCodes.ts
@@ -1 +1 @@
-export default ['FTM', 'BSC', 'ETH', 'POLYGON', 'OKC', 'ARB', 'OPBNB', 'INEVM', 'LINEA', 'AVAX'] as const;
+export default ['FTM', 'BSC', 'ETH', 'POLYGON', 'OKC', 'ARB', 'OPBNB', 'INEVM', 'LINEA', 'AVAX', 'BASE'] as const;
diff --git a/src/services/Aggregator/schemas/swapInfoSchema.ts b/src/services/Aggregator/schemas/swapInfoSchema.ts
index f4d0e0e..940612f 100644
--- a/src/services/Aggregator/schemas/swapInfoSchema.ts
+++ b/src/services/Aggregator/schemas/swapInfoSchema.ts
@@ -51,6 +51,7 @@ const swapInfoBase = z.object({
     mi: z.number().optional(), // market amount in, USD
     d: z.string().optional(), // difference in available amount in/out (USD) and market amount out/in (USD) in percentage
   }).optional(),
+  autoSlippage: z.number().optional(),
 });
 
 const swapInfoByAmountIn = swapInfoBase.extend({
diff --git a/src/services/Aggregator/ws/index.ts b/src/services/Aggregator/ws/index.ts
index 28d04de..c7de84e 100644
--- a/src/services/Aggregator/ws/index.ts
+++ b/src/services/Aggregator/ws/index.ts
@@ -543,6 +543,7 @@ class AggregatorWS {
               marketAmountIn: json.usd.mi,
               difference: json.usd.d,
             },
+            autoSlippage: json.sl,
           };
 
           switch (json.k) { // kind
diff --git a/src/services/Aggregator/ws/schemas/swapInfoSchema.ts b/src/services/Aggregator/ws/schemas/swapInfoSchema.ts
index ba32789..48abe19 100644
--- a/src/services/Aggregator/ws/schemas/swapInfoSchema.ts
+++ b/src/services/Aggregator/ws/schemas/swapInfoSchema.ts
@@ -50,6 +50,7 @@ const swapInfoSchemaBase = baseMessageSchema.extend({
     mi: z.number().optional(), // market amount in, USD
     d: z.string().optional(), // difference in available amount in/out (USD) and market amount out/in (USD) in percentage
   }).optional(),
+  sl: z.number().optional(),
 });
 
 const swapInfoSchemaByAmountIn = swapInfoSchemaBase.extend({
diff --git a/src/types.ts b/src/types.ts
index a4fd6d6..a808133 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -3,7 +3,7 @@ import type factories from './constants/factories.js';
 import type { BigNumber } from 'bignumber.js';
 import type subOrderStatuses from './constants/subOrderStatuses.js';
 import type positionStatuses from './constants/positionStatuses.js';
-import type { knownEnvs } from './config/schemas/index.js';
+import type { knownEnvs } from './config/schemas';
 import type getHistory from './Orion/bridge/getHistory.js';
 
 export type DeepPartial<T> = T extends object ? {
@@ -91,6 +91,7 @@ export enum SupportedChainId {
   INEVM = '2525',
   LINEA = '59144',
   AVAX = '43114',
+  BASE = '8453',
 
   POLYGON_TESTNET = '80001',
   FANTOM_TESTNET = '4002',
@@ -211,6 +212,7 @@ export type SwapInfoBase = {
     marketAmountIn: number | undefined
     difference: string | undefined
   } | undefined
+  autoSlippage: number | undefined
 }
 
 export type SwapInfoByAmountIn = SwapInfoBase & {