Access requires a secure API key and OAuth credentials from your GHL account. Store tokens securely and rotate per policy.
Trello access uses OAuth tokens or API keys to authorize requests to the Trello API. Keep tokens secret.
GET /contacts/:contactId; GET /contacts/:contactId/tasks; GET /contacts/:contactId/tasks/:taskId; GET /contacts/:contactId/notes; GET /contacts/:contactId/notes/:id; GET /contacts/:contactId/appointments; GET /contacts/; GET /contacts/business/:businessId; contacts.write; POST /contacts/; PUT /contacts/:contactId; DELETE /contacts/:contactId; POST /contacts/:contactId/tasks; PUT /contacts/:contactId/tasks/:taskId; PUT /contacts/:contactId/tasks/:taskId/completed; DELETE /contacts/:contactId/tasks/:taskId; POST /contacts/:contactId/tags
Trigger: a Trello card is created for a contact;
Actions: create a new contact in GHL and link the card in Trello for reference.
Method/path: POST /contacts/ to create; then associate Trello card ID
Key fields: name, email, TrelloCardId, TrelloCardURL
Trigger: Trello checklist item added or completed
Actions: create or update a corresponding GHL task for the contact
Method/path: POST /contacts/:contactId/tasks
Key fields: contactId, taskTitle, dueDate
Trigger: Trello label added or removed on a card
Actions: update GHL contact tags to reflect Trello labels
Path: POST /contacts/:contactId/tags
Key fields: contactId, tagName
Automate data synchronization between Trello and GHL without writing code.
Centralize contact updates in one place and reflect changes in both systems instantly.
Trigger cross-platform automations based on Trello events to save time.
Definitions for API terms and data flow used to connect Trello with GHL via the Contacts API.
A set of endpoints and methods that let systems read and modify data programmatically.
OAuth 2.0 authorization framework that grants access tokens for secure API use.
A specific URL path that performs an action or retrieves data from an API.
A secret string used to authenticate requests to an API.
Capture new leads from Trello and automatically create a GHL contact with linked Trello card.
Keep Trello and GHL in sync by pushing relevant card changes back to the GHL contact record.
Use labels to drive tag updates on GHL contacts, enabling slice-and-dice automation.
Gather your Trello API key and a GHL API key with the required scopes; configure OAuth as needed.
Define field mappings for name, email, card/tags, and contact relations to ensure data flows correctly.
Run end-to-end tests, monitor activity logs, and deploy your integration to production.
No coding is required to start integrating Trello with GHL using the Contacts API. The setup guides you through authenticating, mapping fields, and configuring triggers. If you know basic API concepts, you can customize flows further using the provided endpoints. This approach is ideal for teams seeking fast, maintainable automation without developers. With proper key management, your data stays secure.
The integration commonly uses endpoints to read and write contacts, tasks, notes, and tags, such as GET /contacts/:contactId, POST /contacts/, POST /contacts/:contactId/tasks, and POST /contacts/:contactId/tags. Depending on your workflow, you may also use endpoints for tasks and notes to keep Trello cards and GHL contacts in sync.
Security is ensured through OAuth and API keys, with tokens stored securely and rotated regularly. Use least-privilege scopes, enforce encryption in transit, and monitor access logs. If you deploy webhooks, verify signatures and limit endpoint exposure to trustedTreell integrations.
Yes. Field mappings can include standard fields like name and email, as well as custom fields for both Trello cards and GHL contacts. Plan mappings in advance and test them in a staging environment before going live.
Authentication for Trello and GHL is managed via their respective methods (OAuth for Trello and API keys/OAuth for GHL). Use secure storage for tokens, and rotate credentials on a schedule. Consider using a middle layer or API gateway for added security.
Yes. Webhooks and polling can trigger actions in Trello from GHL events, enabling proactive workflow automation and faster response times.
A no-code approach lowers the barrier to automation, accelerates deployment, and makes maintenance easier. It allows teams to rapidly prototype integrations, iterate based on feedback, and focus on business outcomes instead of writing code.
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Complete Operations Catalog - 126 Actions & Triggers
