diff --git a/packages/web3-providers/src/index.ts b/packages/web3-providers/src/index.ts
index 1751fa75f898..d164b0078261 100644
--- a/packages/web3-providers/src/index.ts
+++ b/packages/web3-providers/src/index.ts
@@ -4,6 +4,7 @@ import { RaribleAPI } from './rarible'
 import { NFTScanAPI } from './NFTScan'
 import { NativeExplorerAPI } from './explorer'
 import { RSS3API } from './rss3'
+import { KeyValueAPI } from './kv'
 
 export * from './types'
 export * from './opensea/utils'
@@ -14,6 +15,7 @@ export const NFTScan = new NFTScanAPI()
 export const CoinGecko = new CoinGeckoAPI()
 export const Explorer = new NativeExplorerAPI()
 export const RSS3 = new RSS3API()
+export const KeyValue = new KeyValueAPI()
 
 // Method for provider proxy
 export { getOpenSeaNFTList, getOpenSeaCollectionList } from './opensea'
diff --git a/packages/web3-providers/src/kv/README.md b/packages/web3-providers/src/kv/README.md
new file mode 100644
index 000000000000..03808ce1df4a
--- /dev/null
+++ b/packages/web3-providers/src/kv/README.md
@@ -0,0 +1,16 @@
+# Key-Value storage
+
+```typescript
+// create a JSON storage
+const storage = KeyValue.createJSON_Storage('hello_world')
+
+// set value
+await storage.set('foo', {
+  key: 'value',
+})
+
+// get value
+const response = await storage.get('foo')
+
+console.assert(response?.key === 'value', 'ASSERTION FAILED')
+```
diff --git a/packages/web3-providers/src/kv/index.ts b/packages/web3-providers/src/kv/index.ts
index 257ed50630f8..a5ab360ec6f7 100644
--- a/packages/web3-providers/src/kv/index.ts
+++ b/packages/web3-providers/src/kv/index.ts
@@ -7,51 +7,42 @@ export class JSON_Storage implements StorageAPI.Storage {
     constructor(private prefix: string) {}
 
     async set<T extends {}>(key: string, value: T) {
-        return fetchJSON<void>(
+        await fetch(
             urlcat(KV_ROOT_URL, 'api/:name', {
                 name: `${this.prefix}_${key}`,
             }),
             {
                 method: 'PUT',
                 mode: 'cors',
-                credentials: 'omit',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
                 body: JSON.stringify(value),
             },
         )
     }
     async get<T>(key: string) {
-        const response = await fetchJSON<string>(
-            urlcat(KV_ROOT_URL, 'api/:name', {
-                name: `${this.prefix}_${key}`,
-            }),
-            {
-                method: 'GET',
-                mode: 'cors',
-                credentials: 'omit',
-            },
-        )
         try {
-            return JSON.parse(response) as T
+            return fetchJSON<T>(
+                urlcat(KV_ROOT_URL, 'api/:name', {
+                    name: `${this.prefix}_${key}`,
+                }),
+                {
+                    method: 'GET',
+                    mode: 'cors',
+                    headers: {
+                        'Content-Type': 'application/json',
+                    },
+                },
+            )
         } catch {
             return
         }
     }
-    async delete(key: string) {
-        await fetchJSON<void>(
-            urlcat(KV_ROOT_URL, 'api/:name', {
-                name: `${this.prefix}_${key}`,
-            }),
-            {
-                method: 'DELETE',
-                mode: 'cors',
-                credentials: 'omit',
-            },
-        )
-    }
 }
 
 export class KeyValueAPI implements StorageAPI.Provider {
-    createStorage(key: string): StorageAPI.Storage {
+    createJSON_Storage(key: string): StorageAPI.Storage {
         return new JSON_Storage(key)
     }
 }
diff --git a/packages/web3-providers/src/types.ts b/packages/web3-providers/src/types.ts
index 8ab37d7c6362..1c29b698bb38 100644
--- a/packages/web3-providers/src/types.ts
+++ b/packages/web3-providers/src/types.ts
@@ -292,10 +292,11 @@ export namespace StorageAPI {
     export interface Storage {
         set<T extends {}>(key: string, value: T): Promise<void>
         get<T>(key: string): Promise<T | void>
-        delete(key: string): Promise<void>
+        delete?: (key: string) => Promise<void>
     }
 
     export interface Provider {
-        createStorage(key: string): Storage
+        createJSON_Storage?: (key: string) => Storage
+        createBinaryStorage?: (key: string) => Storage
     }
 }