diff --git a/package.json b/package.json
index 0391198..75d8209 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "bnc-notify",
-  "version": "1.6.1",
+  "version": "1.6.2",
   "description": "Show web3 users realtime transaction notifications",
   "keywords": [
     "ethereum",
diff --git a/src/interfaces.ts b/src/interfaces.ts
index cd6292b..ad6f8eb 100644
--- a/src/interfaces.ts
+++ b/src/interfaces.ts
@@ -1,6 +1,7 @@
 import type {
   BitcoinTransactionLog,
-  EthereumTransactionLog
+  EthereumTransactionLog,
+  SDKError
 } from 'bnc-sdk/dist/types/src/interfaces'
 
 export interface InitOptions extends ConfigOptions {
@@ -8,8 +9,11 @@ export interface InitOptions extends ConfigOptions {
   transactionHandler?: TransactionHandler
   name?: string
   apiUrl?: string
+  onerror?: ErrorHandler
 }
 
+export type ErrorHandler = (error: SDKError) => void
+
 export interface TransactionHandler {
   (transaction: TransactionEvent): void
 }
@@ -115,6 +119,7 @@ export interface AppStore {
   name?: string
   networkId?: number
   nodeSynced: boolean
+  onerror?: ErrorHandler
   mobilePosition: 'bottom' | 'top'
   desktopPosition: 'bottomLeft' | 'bottomRight' | 'topLeft' | 'topRight'
   darkMode: boolean
diff --git a/src/notify.ts b/src/notify.ts
index 89cbe14..2cccd19 100644
--- a/src/notify.ts
+++ b/src/notify.ts
@@ -77,7 +77,7 @@ function init(options: InitOptions): API {
   validateInit(options)
 
   const { system, transactionHandler, apiUrl, ...appOptions } = options
-  const { dappId, networkId, name, clientLocale } = appOptions
+  const { dappId, networkId, name, clientLocale, onerror } = appOptions
 
   const transactionHandlers: TransactionHandler[] = [handleTransactionEvent]
 
@@ -91,6 +91,7 @@ function init(options: InitOptions): API {
     blocknative = new BlocknativeSdk({
       dappId,
       networkId,
+      onerror,
       transactionHandlers,
       name: name || 'Notify',
       apiUrl,
@@ -98,10 +99,14 @@ function init(options: InitOptions): API {
     })
 
     // filter out pending simulation events
-    blocknative.configuration({
-      scope: 'global',
-      filters: [{ status: 'pending-simulation', _not: true }]
-    })
+    blocknative
+      .configuration({
+        scope: 'global',
+        filters: [{ status: 'pending-simulation', _not: true }]
+      })
+      .catch(() => {
+        // swallow server timeout response error as we are not waiting on it
+      })
   }
 
   // save config to app store
@@ -151,12 +156,8 @@ function init(options: InitOptions): API {
       )
     }
 
-    try {
-      const result = blocknative.account(address)
-      return result
-    } catch (error) {
-      throw new Error(error)
-    }
+    const result = blocknative.account(address)
+    return result
   }
 
   function hash(hash: string, id?: string) {
@@ -166,12 +167,8 @@ function init(options: InitOptions): API {
       )
     }
 
-    try {
-      const result = blocknative.transaction(hash, id)
-      return result
-    } catch (error) {
-      throw new Error(error)
-    }
+    const result = blocknative.transaction(hash, id)
+    return result
   }
 
   function transaction(
@@ -188,7 +185,11 @@ function init(options: InitOptions): API {
     const emitter = createEmitter()
 
     const result = preflightTransaction(blocknative, options, emitter).catch(
-      err => err
+      err => {
+        const { onerror } = get(app)
+        onerror && onerror(err)
+        return err
+      }
     )
 
     return {
diff --git a/src/validation.ts b/src/validation.ts
index e0e3df9..a2ea06f 100644
--- a/src/validation.ts
+++ b/src/validation.ts
@@ -11,6 +11,7 @@ const validInitKeys = [
   'system',
   'transactionHandler',
   'name',
+  'onerror',
   'mobilePosition',
   'desktopPosition',
   'darkMode',
@@ -97,6 +98,7 @@ export function validateInit(init: InitOptions): void {
     transactionHandler,
     name,
     apiUrl,
+    onerror,
     ...otherParams
   } = init
 
@@ -139,6 +141,13 @@ export function validateInit(init: InitOptions): void {
     optional: true
   })
 
+  validateType({
+    name: 'onerror',
+    value: onerror,
+    type: 'function',
+    optional: true
+  })
+
   validateConfig(otherParams)
 }