diff --git a/src/keys/cache/cache.provider.ts b/src/keys/cache/cache.provider.ts
new file mode 100644
index 0000000..ab68b91
--- /dev/null
+++ b/src/keys/cache/cache.provider.ts
@@ -0,0 +1,21 @@
+import { Injectable } from "@nestjs/common";
+import { Indexes } from "../indexes.js";
+import { GetOperationResult } from "../providers/abstract.provider.js";
+
+export type CacheRowData = Indexes | GetOperationResult;
+class CacheRow {
+    data: CacheRowData;
+    expires: Date;
+}
+
+const cache = [] as CacheRow[];
+
+@Injectable()
+export class KeysCacheProvider {
+
+    
+
+    put(data: CacheRowData) {
+        
+    }
+}
\ No newline at end of file
diff --git a/src/keys/keys.module.ts b/src/keys/keys.module.ts
index e69ee9b..435988b 100644
--- a/src/keys/keys.module.ts
+++ b/src/keys/keys.module.ts
@@ -3,9 +3,10 @@ import { HKPController } from './controllers/hkp.controller.js'
 import { OpenPGPKeysProvider } from './providers/openpgp.provider.js'
 import { AllKeysProvider } from './providers/all.provider.js'
 import { UbuntuKeysProvider } from './providers/ubuntu.provider.js'
+import { KeysCacheProvider } from './cache/cache.provider.js'
 
 @Module({
-    providers: [OpenPGPKeysProvider, UbuntuKeysProvider, AllKeysProvider],
+    providers: [OpenPGPKeysProvider, UbuntuKeysProvider, AllKeysProvider, KeysCacheProvider],
     controllers: [HKPController],
     exports: [OpenPGPKeysProvider, UbuntuKeysProvider, AllKeysProvider],
 })