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All source and destination credentials are managed on the Connections page. Routes:
  • List: /workspace/connections
  • Add (catalog): /workspace/connections/new?role=source or role=destination
  • New PostgreSQL (example): /workspace/connections/new/postgres?role=source (or destination)
  • Edit: /workspace/connections/[connectionId]/edit

View all connections

Use All, Sources, or Destinations tabs and the search field to filter. Each row shows connector type, host/database summary, whether it is used in pipelines, and last test status when available. Connections list with filters

Create a connection

  1. Click + New Connection.
  2. Choose Source or Destination at the top of the catalog (same page supports both roles).
  3. Pick a connector (e.g. PostgreSQL under Available now).
New connection catalog — source vs destination
  1. Fill Connection name, Host, Port, Database, Username, Password, Schema, and SSL mode as required by your provider (Neon, RDS, self-hosted Postgres, etc.).
PostgreSQL connection form (new source)
  1. Click Test Connection before Save Connection when you want to validate reachability and credentials without persisting, or save first if your workflow tests after save.

Validate (test) a connection

  • On the create or edit form, use Test Connection.
  • From the list, open the row menu and choose Test Connection.
Connection row menu — Test, Edit, Delete Source-only shortcuts (when the row is a SOURCE): the menu also includes Discover Tables and Source configuration — open these after the connection tests successfully. Neon Source row menu with Discover Tables If the test fails, fix host/firewall/SSL/user grants and test again. The list may show a Never tested warning until a successful test has been recorded.

Example walkthrough: Neon PostgreSQL

The following captures use a Neon branch (ep-nameless-lab-…aws.neon.tech), database neondb, user neondb_owner, SSL required. Credential values are shown only inside the screenshots (not repeated in this page text). Edit source — fill the form, reveal the password field if you need to verify typing, then Test Connection: Neon source — filled form Successful validation (inline status under Test Connection): Neon source — test succeeded Edit destination — toggle Destination on the same PostgreSQL connector type, name the connection (e.g. Neon Destination), use the same host/database/user, test, then Save: Neon destination — filled form Neon destination — test succeeded

Discover tables (source)

From a SOURCE row menu, choose Discover Tables. The app opens the Neon Source explorer with schemas and tables (cached metadata refreshes on a schedule; use Source configuration for details). Discover Tables — schema explorer & SQL editor Source configuration tab — metadata refresh

Edit or update a connection

  1. From on the row, choose Edit (or open the connection and use the same form).
  2. Update fields; Save Connection commits changes. Reset (where shown) discards unsaved edits.
Edit connection — PostgreSQL For CDC (PostgreSQL logical replication), use Set up CDC when available after the connection is saved.

Delete a connection

From the row menu, choose Delete and confirm. Do not delete a connection that still backs an active pipeline until you have retargeted or removed that pipeline, or runs may fail with disconnect warnings.

“Data sources” URLs vs the Connections page

The primary list UI is Connections (/workspace/connections). Some tools (table/query explorer, Discover flows) still use routes under /workspace/data-sources/... after you pick a connection—these are the same saved connections, not a second catalog.