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ActionSupabaseUpdated September 2026

How do I list every table in a Supabase database?

Short answer: You can list tables in Supabase by hand from its own interface, but it won’t repeat itself. On TinyCommand, add the Supabase List Tables action to a workflow, map its 0 inputs from any upstream app, and it runs automatically every time the trigger fires. No code, and a free tier to start.

List Tables in Supabase — start free All 7 Supabase actions
List Tables in Supabase — start free
Sample request
{}
Returns
{
  "definitions": {
    "users": {
      "type": "object",
      "properties": {
        "id": {
          "type": "integer"
        },
        "name": {
          "type": "string"
        }
      }
    }
  }
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for List Tables.

Any of these apps can fire this action as part of a workflow.

Gmail → Supabase
1 Gmail triggers
Slack → Supabase
13 Slack triggers
Google Sheets → Supabase
2 Google Sheets triggers
HubSpot → Supabase
18 HubSpot triggers
FAQ

Questions about List Tables.

What does the List Tables action do in Supabase?
Lists all tables in a Supabase database (from the public schema) with their column metadata. Used to dynamically populate table pickers and column dropdowns.
What inputs does List Tables require?
List Tables has no required inputs. Sensible defaults are applied if you leave fields blank.
Can I use dynamic inputs from earlier workflow nodes?
Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.
What happens if Supabase returns an error?
The run history shows the failed step with its input and the error message Supabase returned, so you can fix the input and run the workflow again. Automatic retries are built into HTTP steps only, where you can also set your own retry count and delay.
Does List Tables support batch operations?
Run List Tables inside a loop to process each item in an array. TinyCommand does not throttle calls for you, so for large arrays add a Delay step if you need to stay within Supabase's rate limits.
More actions

Other Supabase actions.

Action
Call Function (RPC)
Calls a Postgres function (RPC) defined in your Supabase database with the supplied JSON arguments. The escape hatch when typed table operations don't express the business logic you need.
Action
Delete Rows
Deletes rows from a Supabase table that match a filter (eq, neq, gt, in, like, etc.). PostgREST requires at least one filter, so empty filters are rejected as a safety guard.
Action
Insert Row
Inserts a new row into a Supabase table with the supplied field values. Respects table RLS policies based on the API key in use.
Action
Select Rows
Selects rows from a Supabase table with optional filters, order, and limit. Supports joined selects via the PostgREST embed syntax (e.g. *, author(name)).
Action
Update Rows
Updates rows in a Supabase table that match a filter. PostgREST requires at least one filter, so empty filters are rejected to prevent accidental table-wide updates.
Action
Upsert Row
Inserts a row, or updates it if a conflict occurs on the primary key or a unique constraint. The right tool for idempotent sync flows from another source-of-truth system.
List Tables in Supabase — start free