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n8n - 💡(How to fix) Fix Supabase connection issue

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Error Message

Describe the problem/error/question

I am trying to connect to supabase when creating a workflow. I have read all the documentation and the host url and secret that i am sharing are correct. but i keep on seeing the error that there is a problem with the connection

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

I am trying to connect to supabase when creating a workflow. I have read all the documentation and the host url and secret that i am sharing are correct. but i keep on seeing the error that there is a problem with the connection

What is the error message (if any)?

Service unavailable - try again later or consider setting this node to retry automatically (in the node settings)

Please share your workflow/screenshots/recording

<img width="1205" height="755" alt="Image" src="https://github.com/user-attachments/assets/5cb50120-a8e7-42a4-ba28-274644e084fa" /> 
(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: 2.3.4
  • platform: npm
  • nodeJsVersion: 22.16.0
  • nodeEnv: undefined
  • database: sqlite
  • executionMode: regular
  • concurrency: -1
  • license: enterprise (production)

storage

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

pruning

  • enabled: true
  • maxAge: 336 hours
  • maxCount: 10000 executions

client

  • userAgent: mozilla/5.0 (macintosh; intel mac os x 10_15_7) applewebkit/537.36 (khtml, like gecko) chrome/148.0.0.0 safari/537.36
  • isTouchDevice: false

Generated at: 2026-05-08T07:42:08.323Z}

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#api#orchestration issue#cache issue#memory leak#API versioning

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