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Data Management:Dify on DMS FAQ

Last Updated:Dec 05, 2025

This topic describes common issues with Dify instances and their solutions.

Basic Dify usage

Why do I receive the "No dify api key found in request" error when I call a Dify API?

Obtain the API key (DifyApiKey) for Dify on DMS and add the DifyApiKey to the request headers.

Why can't I set the API key for a model provider plugin?

Setting the API key for a plugin requires owner or administrator permissions. The account you are using does not have sufficient permissions. Contact an administrator to grant your account administrator permissions on the Settings > Members page.

Note

For more information about role permissions, see Team Members Management.

Plugin installation from the Marketplace fails

You can download the plugin to your local machine and then install it as a local plugin.

Note
  • To download the plugin locally: On the Explore Marketplace tab, find the target plugin, click Details on the plugin's card, and then click the image icon in the upper-right corner.

  • To install a Local Plugin: In the upper-right corner, choose Install Plugin > Local Package File and follow the on-screen instructions to complete the installation.

A Dify instance with public NAT enabled cannot access the Internet

  1. Log on to the VPC console.

  2. In the navigation pane on the left, choose NAT Gateway > Internet NAT Gateway.

  3. In the Instance ID/Name column, click the instance ID of the Internet NAT gateway that belongs to the Dify instance.

  4. On the Basic Information tab, in the VPC routes that point to the NAT gateway section, check whether a route table in the Route Table column points to the NAT gateway.

    If not, click Configure Routes and attach the route table to the Internet NAT gateway.

    image

How do I view the VPC and CIDR block of a Dify instance?

  1. Go to the workspace that contains the Dify instance.

    1. Log on to the DMS console V5.0.
    2. In the upper-left corner of the console, click the 2023-01-28_15-57-17.png icon and choose Shortcuts > Data+AI > Workspace.

      image

    3. Click the target workspace name.

  2. In the navigation pane on the left, choose image > Dify Resources.

    screenshot_2025-08-20_10-21-43

  3. On the Modify Configuration tab, in the Network Information section on the right, do one of the following:

    • View the VPC ID: Find the ID in the VPC ID field.

    • View the VPC CIDR block: Click the link next to the VSwitch ID. You are redirected to the vSwitch details page. In the vSwitch Basic Information section of the vSwitch, view the IPv4 CIDR Block.