How to get a Supabase API key

Checked by hand 2026-10-30

  1. Click the project you want to connect. Its Data API page opens and shows the project URL.
  2. Click Project Settings, the gear icon at the bottom of the left sidebar.
  3. Click API Keys. Your publishable key is shown in full under Publishable key.
  4. Under Secret keys, click the eye icon on the default key to show it in full. Keep this key private: it can read and change everything in your project.

What you end up with

  • SUPABASE_URL
  • SUPABASE_PUBLISHABLE_KEY
  • SUPABASE_SECRET_KEY

Do it in one click with Footgun Keys