Authenticate requests to the Contacts API using your GHL credentials with OAuth 2.0 Bearer tokens or API keys.
Oneflow securely connects to the GHL Contacts API using your chosen auth method. Ensure the app has the correct permissions and scopes for read and write access.
ENDPOINT LIST: 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 new or updated contact in Oneflow fires a sync to the Contacts API to create or update the corresponding contact in GHL.
Actions: Use POST /contacts/ to create or PUT /contacts/:contactId to update, then optionally attach tasks and notes with subsequent calls.
POST /contacts/; PUT /contacts/:contactId
contactId, name, email, phone
Trigger: A task is created or updated in Oneflow for a contact.
Actions: Create tasks via POST /contacts/:contactId/tasks; update or mark completed with PUT /contacts/:contactId/tasks/:taskId and PUT /contacts/:contactId/tasks/:taskId/completed; delete with DELETE.
POST /contacts/:contactId/tasks
contactId, taskId, title, dueDate
Trigger: A note is added in Oneflow and needs to be stored in the Contacts API.
Actions: Create notes via POST /contacts/:contactId/notes; apply tags via POST /contacts/:contactId/tags
POST /contacts/:contactId/notes
contactId, noteId, content, tags
Automate CRM workflows without code, reducing manual data entry.
Keep contact data synchronized across systems for better collaboration and faster onboarding.
Leverage existing endpoints to scale tasks, notes, and tags with minimal effort.
Elements include contacts, tasks, notes, and tags. Processes describe data flow between Oneflow and the Contacts API to automate CRM workflows.
Application Programming Interface: a set of rules that allow apps to communicate and share data.
A specific URL in the API that performs a function, such as creating a contact or listing tasks.
A callback that notifies your app when an event occurs in another service.
A token-based authorization standard used to grant access securely.
When a new lead enters Oneflow, automatically create a contact in the GHL Contacts API and start a task for follow-up.
Push notes from Oneflow to GHL notes to keep a complete activity history.
Apply tags from Oneflow to contacts in GHL to support segmentation and filters.
Collect your API credentials and set up the required scopes for read and write access.
Map your Oneflow events to the corresponding Contacts API endpoints (contacts, tasks, notes, and tags).
Run end-to-end tests and monitor for errors. Launch once you’ve validated data flow.
No code is required to connect Oneflow with the Contacts API. The platform provides a visual workflow builder to map events to API calls. For advanced users, you can extend with custom webhooks and data mappings.
The integration supports OAuth 2.0 Bearer tokens and API keys. Choose the method that matches your security policy and rotate credentials regularly.
Yes. The endpoints cover core actions like listing contacts, reading tasks and notes, and creating or updating contacts and tasks. You can pick the endpoints you need for your workflow.
Yes. You can apply filters on GET /contacts/ and other endpoints using query parameters to narrow results based on fields like email, last name, or created date.
Use POST /contacts/ to create a new contact. Include required fields such as name and email. After creation, you can update the record with PUT /contacts/:contactId as needed.
Yes. You can create tasks and notes when a contact is created or updated. Use POST /contacts/:contactId/tasks and POST /contacts/:contactId/notes, and then tag as needed.
API rate limits are published in the provider’s documentation. Plan your calls and implement retry logic to stay within quotas.
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Complete Operations Catalog - 126 Actions & Triggers
