diff --git a/packages/core/package.json b/packages/core/package.json
index 54040f8..e64b329 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -29,6 +29,9 @@
     "dev": "vite build --watch",
     "test": "vitest"
   },
+  "dependencies": {
+    "starknet-types": "^0.0.4"
+  },
   "devDependencies": {
     "c8": "^7.12.0",
     "happy-dom": "^6.0.4",
diff --git a/packages/core/src/StarknetWindowObject.ts b/packages/core/src/StarknetWindowObject.ts
deleted file mode 100644
index 8a83961..0000000
--- a/packages/core/src/StarknetWindowObject.ts
+++ /dev/null
@@ -1,24 +0,0 @@
-import { RequestFn } from "./rpcMessage"
-import { WalletEventHandlers } from "./walletEvents"
-
-type WalletEventListener = <E extends keyof WalletEventHandlers>(
-  event: E,
-  handleEvent: WalletEventHandlers[E],
-) => void
-
-// Implement the StarknetWindowObject interface with the improved request method
-export interface StarknetWindowObject {
-  id: string
-  name: string
-  version: string
-  icon: string | { dark: string; light: string }
-  request: RequestFn
-  on: WalletEventListener
-  off: WalletEventListener
-}
-
-declare global {
-  interface Window {
-    [key: `starknet_${string}`]: StarknetWindowObject | undefined
-  }
-}
diff --git a/packages/core/src/__test__/wallet.mock.ts b/packages/core/src/__test__/wallet.mock.ts
index 1197086..87d6ecc 100644
--- a/packages/core/src/__test__/wallet.mock.ts
+++ b/packages/core/src/__test__/wallet.mock.ts
@@ -1,6 +1,5 @@
-import { StarknetWindowObject } from "../StarknetWindowObject"
 import wallets from "../discovery"
-import { Permission } from "../rpcMessage"
+import { Permission, type StarknetWindowObject } from "starknet-types"
 
 type WalletMock = Pick<StarknetWindowObject, "id" | "name" | "icon" | "request">
 
diff --git a/packages/core/src/main.ts b/packages/core/src/main.ts
index ba6f929..9fc53d0 100644
--- a/packages/core/src/main.ts
+++ b/packages/core/src/main.ts
@@ -1,17 +1,15 @@
-import { type StarknetWindowObject } from "./StarknetWindowObject"
 import discovery, { type WalletProvider } from "./discovery"
 import { LocalStorageWrapper } from "./localStorageStore"
-import { Permission } from "./rpcMessage"
 import type { GetStarknetOptions, GetStarknetResult } from "./types"
 import { pipe } from "./utils"
 import { filterBy, filterByAuthorized } from "./wallet/filter"
 import { isWalletObj } from "./wallet/isWalletObject"
 import { scanObjectForWallets } from "./wallet/scan"
 import { sortBy } from "./wallet/sort"
-
-export type { StarknetWindowObject } from "./StarknetWindowObject"
+import { Permission, type StarknetWindowObject } from "starknet-types"
 
 export type {
+  StarknetWindowObject,
   AddDeclareTransactionParameters,
   AddDeclareTransactionResult,
   AddDeployAccountTransactionParameters,
@@ -29,16 +27,13 @@ export type {
   IsParamsOptional,
   RpcTypeToMessageMap,
   RequestFnCall,
-} from "./rpcMessage"
-
-export type {
-  WalletEvents,
   AccountChangeEventHandler,
   NetworkChangeEventHandler,
   WalletEventHandlers,
-} from "./walletEvents"
+  WalletEvents,
+} from "starknet-types"
 
-export { StarknetChainId, Permission } from "./rpcMessage"
+export { StarknetChainId, Permission } from "starknet-types"
 
 export { scanObjectForWallets } from "./wallet/scan"
 export { isWalletObj } from "./wallet/isWalletObject"
@@ -59,6 +54,12 @@ const defaultOptions: GetStarknetOptions = {
   storageFactoryImplementation: (name: string) => new LocalStorageWrapper(name),
 }
 
+declare global {
+  interface Window {
+    [key: `starknet_${string}`]: StarknetWindowObject | undefined
+  }
+}
+
 export function getStarknet(
   options: Partial<GetStarknetOptions> = {},
 ): GetStarknetResult {
diff --git a/packages/core/src/rpcMessage.ts b/packages/core/src/rpcMessage.ts
deleted file mode 100644
index 5792d5f..0000000
--- a/packages/core/src/rpcMessage.ts
+++ /dev/null
@@ -1,330 +0,0 @@
-export enum StarknetChainId {
-  SN_MAIN = "0x534e5f4d41494e",
-  SN_GOERLI = "0x534e5f474f45524c49",
-  SN_SEPOLIA = "0x534e5f5345504f4c4941",
-}
-
-export enum Permission {
-  Accounts = "accounts",
-}
-
-type FELT = string
-
-type Call = {
-  contract_address: FELT
-  entrypoint: string
-  calldata?: FELT[]
-}
-
-type SIERRA_ENTRY_POINT = {
-  selector: FELT
-  function_idx: number
-}
-
-type StarknetMerkleType = {
-  name: string
-  type: "merkletree"
-  contains: string
-}
-
-/**
- * A single type, as part of a struct. The `type` field can be any of the EIP-712 supported types.
- *
- * Note that the `uint` and `int` aliases like in Solidity, and fixed point numbers are not supported by the EIP-712
- * standard.
- */
-type StarknetType =
-  | {
-      name: string
-      type: string
-    }
-  | StarknetMerkleType
-
-/**
- * The EIP712 domain struct. Any of these fields are optional, but it must contain at least one field.
- */
-interface StarknetDomain extends Record<string, unknown> {
-  name?: string
-  version?: string
-  chainId?: string | number
-}
-
-/**
- * The complete typed data, with all the structs, domain data, primary type of the message, and the message itself.
- */
-export interface TypedData {
-  types: Record<string, StarknetType[]>
-  primaryType: string
-  domain: StarknetDomain
-  message: Record<string, unknown>
-}
-
-/**
- * INVOKE_TXN_V1
- * @see https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json
- */
-export interface AddInvokeTransactionParameters {
-  /**
-   * Calls to invoke by the account
-   */
-  calls: Call[]
-}
-export interface AddInvokeTransactionResult {
-  /**
-   * The hash of the invoke transaction
-   */
-  transaction_hash: FELT
-}
-
-/**
- * BROADCASTED_DECLARE_TXN_V2
- * @see https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json
- */
-export interface AddDeclareTransactionParameters {
-  /**
-   * The hash of the Cairo assembly resulting from the Sierra compilation
-   */
-  compiled_class_hash: FELT
-  contract_class: {
-    /**
-     * The list of Sierra instructions of which the program consists
-     */
-    sierra_program: FELT[]
-    /**
-     * The version of the contract class object. Currently, the Starknet OS supports version 0.1.0
-     */
-    contract_class_version: string
-    /**
-     * Entry points by type
-     */
-    entry_points_by_type: {
-      CONSTRUCTOR: SIERRA_ENTRY_POINT[]
-      EXTERNAL: SIERRA_ENTRY_POINT[]
-      L1_HANDLER: SIERRA_ENTRY_POINT[]
-    }
-    /**
-     * The class ABI, as supplied by the user declaring the class
-     */
-    abi?: string
-  }
-}
-export interface AddDeclareTransactionResult {
-  /**
-   * The hash of the declare transaction
-   */
-  transaction_hash: FELT
-  /**
-   * The hash of the declared class
-   */
-  class_hash: FELT
-}
-
-/**
- * DEPLOY_ACCOUNT_TXN_V1
- * @see https://github.com/starkware-libs/starknet-specs/blob/master/api/starknet_api_openrpc.json
- */
-export interface AddDeployAccountTransactionParameters {
-  /**
-   * The salt for the address of the deployed contract
-   */
-  contract_address_salt: FELT
-  /**
-   * The parameters passed to the constructor
-   */
-  constructor_calldata: FELT[]
-  /**
-   * The hash of the deployed contract's class
-   */
-  class_hash: FELT
-}
-export interface AddDeployAccountTransactionResult {
-  /**
-   * The hash of the deploy transaction
-   */
-  transaction_hash: FELT
-  /**
-   * The address of the new contract
-   */
-  contract_address: FELT
-}
-
-/**
- * EIP-1102:
- * @see https://eips.ethereum.org/EIPS/eip-1102
- */
-export interface RequestAccountsParameters {
-  /**
-   * If true, the wallet will not show the wallet-unlock UI in case of a locked wallet,
-   * nor the dApp-approve UI in case of a non-allowed dApp.
-   */
-  silentMode?: boolean
-}
-
-/**
- * EIP-747:
- * @see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-747.md
- */
-export interface WatchAssetParameters {
-  type: "ERC20" // The asset's interface, e.g. 'ERC20'
-  options: {
-    address: string // The hexadecimal Starknet address of the token contract
-    symbol?: string // A ticker symbol or shorthand, up to 5 alphanumerical characters
-    decimals?: number // The number of asset decimals
-    image?: string // A string url of the token logo
-    name?: string // The name of the token - not in spec
-  }
-}
-
-/**
- * EIP-3085:
- * @see https://github.com/ethereum/EIPs/blob/master/EIPS/eip-3085.md
- */
-export interface AddStarknetChainParameters {
-  id: string
-  chainId: string // A 0x-prefixed hexadecimal string
-  chainName: string
-  rpcUrls?: string[]
-  blockExplorerUrls?: string[]
-
-  nativeCurrency?: {
-    address: string // Not part of the standard, but required by Starknet as it can work with any ERC20 token as the fee token
-    name: string
-    symbol: string // 2-6 characters long
-    decimals: number
-  } // Currently ignored.
-  iconUrls?: string[] // Currently ignored.
-}
-
-export interface SwitchStarknetChainParameters {
-  chainId: string // A 0x-prefixed hexadecimal string
-}
-
-// see https://community.starknet.io/t/snip-deployment-interface-between-dapps-and-wallets/101923
-export interface GetDeploymentDataResult {
-  address: FELT // the expected address, used to double-check the returned data
-  class_hash: FELT // The class hash of the contract to deploy
-  salt: FELT // The salt used for the computation of the account address
-  calldata: FELT[] // An array of felts
-  sigdata?: FELT[] // An optional array of felts to be added in the signature
-  version: 0 | 1 // Cairo version (an integer)
-}
-
-/**
- * Maps each RPC message type to its corresponding parameters and result type.
- */
-export interface RpcTypeToMessageMap {
-  /**
-   * Get permissions from the wallet.
-   * @returns An array of permissions.
-   */
-  wallet_getPermissions: { params?: never; result: Permission[] }
-
-  /**
-   * Request accounts from the wallet.
-   * @param params Optional parameters for requesting accounts.
-   * @returns An array of account addresses as strings.
-   */
-  wallet_requestAccounts: {
-    params?: RequestAccountsParameters
-    result: string[]
-  }
-
-  /**
-   * Watch an asset in the wallet.
-   * @param params The parameters required to watch an asset.
-   * @returns A boolean indicating if the operation was successful.
-   */
-  wallet_watchAsset: { params: WatchAssetParameters; result: boolean }
-
-  /**
-   * Add a new Starknet chain to the wallet.
-   * @param params The parameters required to add a new chain.
-   * @returns A boolean indicating if the operation was successful.
-   */
-  wallet_addStarknetChain: {
-    params: AddStarknetChainParameters
-    result: boolean
-  }
-
-  /**
-   * Switch the current Starknet chain in the wallet.
-   * @param params The parameters required to switch chains.
-   * @returns A boolean indicating if the operation was successful.
-   */
-  wallet_switchStarknetChain: {
-    params: SwitchStarknetChainParameters
-    result: boolean
-  }
-
-  /**
-   * Request the current chain ID from the wallet.
-   * @returns The current Starknet chain ID.
-   */
-  wallet_requestChainId: { params?: never; result: StarknetChainId }
-
-  /**
-   * Get deployment data for a contract.
-   * @returns The deployment data result.
-   */
-  wallet_deploymentData: { params?: never; result: GetDeploymentDataResult }
-
-  /**
-   * Add an invoke transaction to the wallet.
-   * @param params The parameters required for the invoke transaction.
-   * @returns The result of adding the invoke transaction.
-   */
-  starknet_addInvokeTransaction: {
-    params: AddInvokeTransactionParameters
-    result: AddInvokeTransactionResult
-  }
-
-  /**
-   * Add a declare transaction to the wallet.
-   * @param params The parameters required for the declare transaction.
-   * @returns The result of adding the declare transaction.
-   */
-  starknet_addDeclareTransaction: {
-    params: AddDeclareTransactionParameters
-    result: AddDeclareTransactionResult
-  }
-
-  /**
-   * Add a deploy account transaction to the wallet.
-   * @param params The parameters required for the deploy account transaction.
-   * @returns The result of adding the deploy account transaction.
-   */
-  starknet_addDeployAccountTransaction: {
-    params: AddDeployAccountTransactionParameters
-    result: AddDeployAccountTransactionResult
-  }
-
-  /**
-   * Sign typed data using the wallet.
-   * @param params The typed data to sign.
-   * @returns An array of signatures as strings.
-   */
-  starknet_signTypedData: { params: TypedData; result: string[] }
-
-  /**
-   * Get the list of supported specifications.
-   * @returns An array of supported specification strings.
-   */
-  starknet_supportedSpecs: { params?: never; result: string[] }
-}
-
-export type RpcMessage = {
-  [K in keyof RpcTypeToMessageMap]: { type: K } & RpcTypeToMessageMap[K]
-}[keyof RpcTypeToMessageMap]
-
-export type IsParamsOptional<T extends keyof RpcTypeToMessageMap> =
-  undefined extends RpcTypeToMessageMap[T]["params"] ? true : false
-
-export type RequestFnCall<T extends RpcMessage["type"]> = {
-  type: T
-} & (IsParamsOptional<T> extends true
-  ? { params?: RpcTypeToMessageMap[T]["params"] }
-  : { params: RpcTypeToMessageMap[T]["params"] })
-
-export type RequestFn = <T extends RpcMessage["type"]>(
-  call: RequestFnCall<T>,
-) => Promise<RpcTypeToMessageMap[T]["result"]>
diff --git a/packages/core/src/types.ts b/packages/core/src/types.ts
index 775775e..9d12178 100644
--- a/packages/core/src/types.ts
+++ b/packages/core/src/types.ts
@@ -1,9 +1,11 @@
-import { StarknetWindowObject } from "./StarknetWindowObject"
 import { WalletProvider } from "./discovery"
 import { IStorageWrapper } from "./localStorageStore"
-import { RequestAccountsParameters } from "./rpcMessage"
 import { FilterList } from "./wallet/filter"
 import { Sort } from "./wallet/sort"
+import type {
+  RequestAccountsParameters,
+  StarknetWindowObject,
+} from "starknet-types"
 
 export type { WalletProvider } from "./discovery"
 
diff --git a/packages/core/src/wallet/filter.ts b/packages/core/src/wallet/filter.ts
index c504827..13911af 100644
--- a/packages/core/src/wallet/filter.ts
+++ b/packages/core/src/wallet/filter.ts
@@ -1,6 +1,5 @@
-import { type StarknetWindowObject } from "../StarknetWindowObject"
 import type { WalletProvider } from "../discovery"
-import { Permission } from "../rpcMessage"
+import { Permission, type StarknetWindowObject } from "starknet-types"
 
 export type FilterList = string[]
 interface FilterByOptions {
diff --git a/packages/core/src/wallet/scan.ts b/packages/core/src/wallet/scan.ts
index a1df808..c48ad3e 100644
--- a/packages/core/src/wallet/scan.ts
+++ b/packages/core/src/wallet/scan.ts
@@ -1,4 +1,4 @@
-import type { StarknetWindowObject } from "../StarknetWindowObject"
+import type { StarknetWindowObject } from "starknet-types"
 
 export function scanObjectForWallets(
   obj: Record<string, any>,
diff --git a/packages/core/src/wallet/sort.ts b/packages/core/src/wallet/sort.ts
index a58f35b..5443842 100644
--- a/packages/core/src/wallet/sort.ts
+++ b/packages/core/src/wallet/sort.ts
@@ -1,6 +1,6 @@
-import { StarknetWindowObject } from "../StarknetWindowObject"
 import { WalletProvider } from "../discovery"
 import { shuffle } from "../utils"
+import { type StarknetWindowObject } from "starknet-types"
 
 export type Sort = string[] | "random" | null | undefined
 
diff --git a/packages/core/src/walletEvents.ts b/packages/core/src/walletEvents.ts
deleted file mode 100644
index 4933fda..0000000
--- a/packages/core/src/walletEvents.ts
+++ /dev/null
@@ -1,17 +0,0 @@
-import { StarknetChainId } from "./rpcMessage"
-
-export type AccountChangeEventHandler = (accounts?: string[]) => void
-
-export type NetworkChangeEventHandler = (
-  chainId?: StarknetChainId,
-  accounts?: string[],
-) => void
-
-export interface WalletEventHandlers {
-  accountsChanged: AccountChangeEventHandler
-  networkChanged: NetworkChangeEventHandler
-}
-
-export type WalletEvents = {
-  [E in keyof WalletEventHandlers]: { type: E; handler: WalletEventHandlers[E] }
-}[keyof WalletEventHandlers]
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index cecadd2..f0bc587 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -65,6 +65,10 @@ importers:
         version: 3.0.0
 
   packages/core:
+    dependencies:
+      starknet-types:
+        specifier: ^0.0.4
+        version: 0.0.4
     devDependencies:
       c8:
         specifier: ^7.12.0
@@ -4341,6 +4345,10 @@ packages:
     resolution: {integrity: sha512-D9cPgkvLlV3t3IzL0D0YLvGA9Ahk4PcvVwUbN0dSGr1aP0Nrt4AEnTUbuGvquEC0mA64Gqt1fzirlRs5ibXx8g==}
     dev: true
 
+  /starknet-types@0.0.4:
+    resolution: {integrity: sha512-PklqFeSp9gMqbzW5IbO8l1s3xsNZYkNG/x/gsytgYCIl6H/cqiwCZolVTneyTibvrdHOQ8kP3PXwfdsypudYqw==}
+    dev: false
+
   /stream-transform@2.1.3:
     resolution: {integrity: sha512-9GHUiM5hMiCi6Y03jD2ARC1ettBXkQBoQAe7nJsPknnI0ow10aXjTnew8QtYQmLjzn974BnmWEAJgCY6ZP1DeQ==}
     dependencies: