diff --git a/src/lib/api/Livechat.ts b/src/lib/api/Livechat.ts
index 714f3cd..6ce3b74 100644
--- a/src/lib/api/Livechat.ts
+++ b/src/lib/api/Livechat.ts
@@ -35,9 +35,10 @@ export default class ApiLivechat extends ApiBase {
       token: visitor.token
     }
     return visitor
-	 }
-  async agent ({ rid }: any) { return (await this.get(`livechat/agent.info/${rid}/${this.credentials.token}`)).agent }
+  }
+  async deleteVisitor () { return (await this.del(`livechat/visitor/${this.credentials.token}`)).visitor}
   async nextAgent ({ department }: any) { return (await this.get(`livechat/agent.next/${this.credentials.token}`, { department })).agent }
+  async agent ({ rid }: any) { return (await this.get(`livechat/agent.info/${rid}/${this.credentials.token}`)).agent }
   sendMessage (message: INewLivechatMessageAPI) { return (this.post('livechat/message', { ...message, token: this.credentials.token }, false)) }
   editMessage (id: string, message: INewLivechatMessageAPI) { return (this.put(`livechat/message/${id}`, message, false)) }
   deleteMessage (id: string, { rid }: ILivechatRoom) { return (this.del(`livechat/message/${id}`, { rid, token: this.credentials.token }, false)) }
diff --git a/src/lib/api/api.ts b/src/lib/api/api.ts
index 02bf7e1..9c30935 100644
--- a/src/lib/api/api.ts
+++ b/src/lib/api/api.ts
@@ -138,7 +138,7 @@ class Client implements IClient {
 
   delete (url: string, options?: any): Promise<any> {
     return fetch(`${this.host}/api/v1/${encodeURI(url)}`, {
-      method: 'DEL',
+      method: 'DELETE',
       headers: this.getHeaders(options)
     }).then(this.handle) as Promise<any>
   }
@@ -220,7 +220,8 @@ export default class Api extends EventEmitter {
       if (!result) throw new Error(`API ${ method } ${ endpoint } result undefined`)
       if (!this.success(result, ignore)) throw result
       this.logger && this.logger.debug(`[API] ${method} ${endpoint} result ${result.status}`)
-      return (method === 'DELETE') ? result : result.data
+      const hasDataInsideResult = result && !result.data;
+      return (method === 'DELETE') && hasDataInsideResult ? result : result.data
     } catch (err) {
       this.logger && this.logger.error(`[API] POST error(${ endpoint }): ${ JSON.stringify(err) }`)
       throw err