Authenticate requests to the Contacts API using your GHL API key or OAuth 2.0 token. Keep credentials secure and never expose them in client-side code.
Invoco authenticates with GHL using OAuth 2.0. Ensure the app has the contacts.readonly scope (and write scope if you plan to create or modify records). Store tokens securely and refresh them before they expire.
GET /contacts/:contactId — Retrieve a single contact by ID. GET /contacts/:contactId/tasks — List a contact’s tasks. GET /contacts/:contactId/tasks/:taskId — Retrieve a specific task. GET /contacts/:contactId/notes — List notes for a contact. GET /contacts/:contactId/notes/:id — Retrieve a specific note. GET /contacts/:contactId/appointments — List a contact’s appointments. GET /contacts/ — List all contacts. GET /contacts/business/:businessId — List contacts by business. contacts.write — Permission: write access to contacts (required for create/update/delete). POST /contacts/ — Create a new contact. PUT /contacts/:contactId — Update a contact. DELETE /contacts/:contactId — Delete a contact. POST /contacts/:contactId/tasks — Create a new task for a contact. PUT /contacts/:contactId/tasks/:taskId — Update a task. PUT /contacts/:contactId/tasks/:taskId/completed — Mark a task as completed. DELETE /contacts/:contactId/tasks/:taskId — Delete a task. POST /contacts/:contactId/tags — Add a tag to a contact.
Trigger: a contact is updated in GHL, which triggers Invoco to fetch the latest data.
Actions: update or create the corresponding contact in Invoco, and refresh related tasks and notes.
Method path: PUT /contacts/:contactId
Key fields: id, email, updatedAt
Trigger: new contact created in GHL triggers a batch import to Invoco.
Actions: create contacts in Invoco via POST /contacts/; map initial data.
Method path: POST /contacts/
Key fields: email, firstName, lastName, businessId
Trigger: a new contact is added or updated, creating starter tasks.
Actions: create tasks via POST /contacts/:contactId/tasks and update status as needed.
Method path: POST /contacts/:contactId/tasks
Key fields: contactId, taskId, title
Faster data access: changes in GHL reflect in Invoco instantly.
Reduced manual work: automate routine contact updates and task creation.
Improved data consistency across tools and apps.
This glossary covers core terms and data-flow concepts used when connecting GHL’s Contacts API with Invoco.
An individual record in the Contacts API representing a person or lead.
A specific API route used to perform actions like GET /contacts/:contactId.
Authorization framework used to obtain access tokens for API calls.
A token that authenticates API requests, issued by GHL.
Use GHL webhooks to push updates to Invoco instantly, keeping records fresh.
When a new contact is added in GHL, automatically create onboarding tasks in Invoco.
Pull recurring reports from Contacts API into Invoco dashboards for marketers.
In GHL, generate a client ID, client secret, and API key for the Contacts API.
Enter the base API URL, set the scope to readonly, and provide your credentials to Invoco.
Run test calls to endpoints, verify data sync, and then enable automation in production.
Yes. Access to GHL’s API credentials (API Key or OAuth client) is typically required to connect Invoco to the Contacts API. This often involves setting up a developer app within your GHL account. If you’re using a no-code bridge, you still need proper credentials and authorization. Follow the Invoco setup guide to configure the connection, authorize the app, and select the correct scope (such as contacts.readonly) for your use case.
For read-only scenarios, the Contacts API requires the readonly scope. To create or update contacts, you’ll need the write scope (contacts.write). During OAuth, grant the necessary scopes to the Invoco app and ensure the access token has these permissions before making requests.
Use the GHL and Invoco test endpoints with sample data to verify the integration. Check responses, field mappings, and error messages. Review logs in Invoco and GHL for diagnostics, and confirm tokens are valid and not expired.
Yes. You can map which fields flow between GHL and Invoco and filter unnecessary data. Use the connector’s field mapping features to control sync direction, field names, and data transformations.
Deleted contacts can be archived or left as-is depending on your retention policy. If you enable deletion syncing, configure soft delete or archival rules in Invoco. Always back up critical data and review compliance requirements for data retention.
Updates can be real-time via webhooks or batched via scheduled syncs, depending on your setup. In some configurations, Invoco polls the Contacts API and processes changes as they arrive. Choose the method that fits your cadence.
API references are available in the GHL developer docs and the Invoco connector guide. Start with the Contacts API overview and endpoint list. If you need additional help, contact Rankr support for guidance and best practices.
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