n8n - 💡(How to fix) Fix generic credentials not working [1 comments, 2 participants]

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n8n-io/n8n#29031Fetched 2026-04-24 06:12:37
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Error Message

Describe the problem/error/question - All my generic API connections are showing with ? and having problem connecting

What is the error message (if any)?

  • error: all

Code Example

(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
⚠️ WARNING ⚠️ If you have sensitive data in your workflow (like API keys), please remove it before sharing.
RAW_BUFFERClick to expand / collapse
<!-- Please follow the template below. Skip the questions that are not relevant to you. -->

Describe the problem/error/question - All my generic API connections are showing with ? and having problem connecting

What is the error message (if any)?

Please share your workflow/screenshots/recording

<img width="1920" height="1200" alt="Image" src="https://github.com/user-attachments/assets/9dfe6276-e6ac-40ff-8392-76378b6a5e7d" />
(Select the nodes on your canvas and use the keyboard shortcuts CMD+C/CTRL+C and CMD+V/CTRL+V to copy and paste the workflow.)
⚠️ WARNING ⚠️ If you have sensitive data in your workflow (like API keys), please remove it before sharing.

Share the output returned by the last node

<!-- If you need help with data transformations, please also share your expected output. -->

Debug info

core

  • n8nVersion: 2.17.6
  • platform: docker (cloud)
  • nodeJsVersion: 24.14.1
  • nodeEnv: production
  • database: sqlite
  • executionMode: regular
  • concurrency: 5
  • license: enterprise (sandbox)

storage

  • success: all
  • error: all
  • progress: false
  • manual: true
  • binaryMode: filesystem

pruning

  • enabled: true
  • maxAge: 168 hours
  • maxCount: 2500 executions

client

  • userAgent: mozilla/5.0 (windows nt 10.0; win64; x64) applewebkit/537.36 (khtml, like gecko) chrome/147.0.0.0 safari/537.36
  • isTouchDevice: false

Generated at: 2026-04-24T00:36:55.955Z

extent analysis

TL;DR

Check the API connection credentials and node configurations for any missing or incorrect settings, as the generic API connections showing with a question mark indicate a potential issue with the connection details.

Guidance

  • Review the API connection settings for each node to ensure that all required credentials and parameters are correctly configured.
  • Verify that the API endpoints and authentication methods are correctly specified in the node settings.
  • Check the n8n version and node updates to ensure that the latest patches and fixes are applied, as the current version is 2.17.6.
  • Inspect the workflow and node configurations for any inconsistencies or errors that might be causing the connection issues.

Notes

The provided information does not include specific error messages or detailed workflow configurations, which might be necessary to identify the root cause of the issue. Further investigation and debugging may be required to resolve the problem.

Recommendation

Apply workaround: Review and reconfigure the API connection settings and node configurations to ensure correctness and consistency, as this is the most likely cause of the issue.

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