diff --git a/src/simple-server.ts b/src/simple-server.ts
index ae512ef..8614e5a 100644
--- a/src/simple-server.ts
+++ b/src/simple-server.ts
@@ -3,7 +3,7 @@ import { MessageType } from './models';
 import { config } from './config';
 import { Service } from './service';
 import { ApiReturn, Process } from '../pkg/sdk_client';
-import { EMPTY32BYTES } from './utils';
+import { EMPTY32BYTES, splitPrivateData } from './utils';
 
 interface ServerMessageEvent {
   data: {
@@ -42,6 +42,52 @@ class SimpleProcessHandlers {
     return apiKey === this.apiKey;
   }
 
+  async handleCreateProcess(event: ServerMessageEvent): Promise<ServerResponse> {
+    if (event.data.type !== MessageType.CREATE_PROCESS) {
+      throw new Error('Invalid message type');
+    }
+
+    if (!this.service.isPaired()) {
+      throw new Error('Device not paired');
+    }
+
+    try {
+      const { processData, privateFields, roles, exclusionRules, apiKey } = event.data;
+
+      if (!apiKey || !this.validateApiKey(apiKey)) {
+        throw new Error('Invalid API key');
+      }
+
+      const { privateData, publicData } = splitPrivateData(processData, privateFields);
+
+      const createProcessReturn = await this.service.createProcess(privateData, publicData, roles);
+      if (!createProcessReturn.updated_process) {
+        throw new Error('Empty updated_process in createProcessReturn');
+      }
+      console.log('🚀 ~ handleCreateProcess ~ createProcessReturn:', createProcessReturn);
+      const processId = createProcessReturn.updated_process.process_id;
+      const process = createProcessReturn.updated_process.current_process;
+      await this.service.handleApiReturn(createProcessReturn);
+
+      const processCreated = {
+        processId,
+        process,
+        processData,
+      }
+
+      return {
+        type: MessageType.PROCESS_CREATED,
+        processCreated,
+        messageId: event.data.messageId
+      };
+    } catch (e) {
+      const errorMessage = e instanceof Error ? e.message : String(e || 'Unknown error');
+      // Remove redundant "Error:" prefix and simplify the message
+      const cleanMessage = errorMessage.replace(/^Error:\s*/, '');
+      throw new Error(cleanMessage);
+    }
+  }
+
   async handleNotifyUpdate(event: ServerMessageEvent): Promise<ServerResponse> {
     if (event.data.type !== MessageType.NOTIFY_UPDATE) {
       throw new Error('Invalid message type');
@@ -281,6 +327,8 @@ class SimpleProcessHandlers {
   async handleMessage(event: ServerMessageEvent): Promise<ServerResponse> {
     try {
       switch (event.data.type) {
+        case MessageType.CREATE_PROCESS:
+          return await this.handleCreateProcess(event);
         case MessageType.NOTIFY_UPDATE:
           return await this.handleNotifyUpdate(event);
         case MessageType.VALIDATE_STATE: