1. Overview
The Trello integration reads token-visible workspaces, boards, lists, memberships, cards, checklists, attachments, and activity through a workspace-managed API key and user token.
Optional workspace and board IDs narrow synchronization. Private and workspace-scoped board content remains restricted in Seedling.
2. Connection and scope
Seedling verifies the provider account before storing the workspace connection. A current Seedling workspace administrator controls installation and disconnect; account identity is never inferred from an email address or display name.
- Trello API key and user token
- Generate both values from a dedicated account that can read the intended workspaces and private boards.
- Connection ownership
- This connector is workspace-only. A current Seedling workspace administrator controls installation, credential replacement, disconnect, and purge for the exact connection.
3. Trello data Seedling accesses
Seedling uses synchronized information for source-backed search, operating context, verification, and customer-approved workflows. Availability depends on the connected account, selected resources, provider plan, and native permissions.
- Work structure
- Workspaces, boards, lists, labels, custom fields, memberships, and board settings.
- Cards
- Cards, descriptions, dates, members, checklists, attachments, and relationships.
- Activity
- Comments and other authorized card or board actions returned by Trello.
4. Read-only permission contract
Generate the Trello user token with the narrow released token scopes.
- read — read workspaces, boards, lists, cards, checklists, attachments, members, and actions visible to the token owner.
- account — verify the token owner identity and email only when needed by the setup.
- Optional workspace and board allowlists further narrow the token-visible population.
- No write permission is requested; Seedling does not create, update, move, archive, comment on, or delete Trello records.
5. Security and access
- Provider credentials and other connection secrets are encrypted in the workspace tenant data plane, never returned to the browser, and excluded from logs and queue payloads.
- Every source, synchronization, secret lookup, audience contribution, disconnect, and purge remains bound to the exact connection that created it.
- The provider does not expose enough complete object-level audience evidence for Seedling to reproduce native permissions safely. Workspace content therefore uses the connection's restricted-by-default workspace-or-no-human-access policy; administrator and steward status grant no raw-content bypass.
- Generated output cannot bypass Seedling's human review, verification, and approval gates.
6. Retention and deletion
- Connected data
- Synchronized Trello records remain while the connection is active and are removed through a durable integration purge after disconnect.
- Credentials
- Stored Trello credentials or connection secrets and connection-owned synchronization state are deleted from active Seedling systems as part of the purge.
- Backups
- Deleted information may remain in encrypted, access-restricted backups until expiry, ordinarily within 35 days after active-system deletion.