diff --git a/package.json b/package.json
index b87ce5dbf..5d94b452f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@nevermined-io/sdk",
-  "version": "3.0.0-rc11",
+  "version": "3.0.0-rc12",
   "description": "Javascript SDK for connecting with Nevermined Data Platform ",
   "main": "./dist/node/sdk.js",
   "typings": "./dist/node/sdk.d.ts",
diff --git a/src/nevermined/NvmApp.ts b/src/nevermined/NvmApp.ts
index db0768fed..4c6b8e3bb 100644
--- a/src/nevermined/NvmApp.ts
+++ b/src/nevermined/NvmApp.ts
@@ -196,14 +196,23 @@ export class NvmApp {
         this.userAccount.accountType.signerType
       }`,
     )
-    const clientAssertion = await this.fullSDK.utils.jwt.generateClientAssertion(
-      this.userAccount,
-      message,
-    )
-    console.log('Client assertion: ', clientAssertion)
 
-    this.loginCredentials = await this.fullSDK.services.marketplace.login(clientAssertion)
-    console.log('Login credentials: ', this.loginCredentials)
+    if (
+      config &&
+      config.marketplaceAuthToken &&
+      this.fullSDK.utils.jwt.isTokenValid(config.marketplaceAuthToken)
+    ) {
+      this.loginCredentials = config.marketplaceAuthToken
+    } else {
+      const clientAssertion = await this.fullSDK.utils.jwt.generateClientAssertion(
+        this.userAccount,
+        message,
+      )
+      console.log('Client assertion: ', clientAssertion)
+
+      this.loginCredentials = await this.fullSDK.services.marketplace.login(clientAssertion)
+      console.log('Login credentials: ', this.loginCredentials)
+    }
 
     const nodeInfo = await this.fullSDK.services.node.getNeverminedNodeInfo()
     this.assetProviders = [nodeInfo['provider-address']]