Update Contact
Contacts & Leads
Update Contact
Update fields on an individual contact
PATCH
Update Contact
Update one or more fields on an existing contact. Only provided fields are updated; all other fields remain unchanged.
Authentication
Your API key
Path Parameters
The contact’s unique_id
Body
Send a JSON object with the fields you want to update. Only include fields that need to change.Personal Fields
First name
Last name
Middle name
Email address
Phone number
Birthday (date format)
Address Fields
Street address
Apartment, suite, unit, etc.
City
State
Zip / Postal code
Country
Company Fields
Company name
Job title or position
Industry
CRM Fields
Lead source identifier
Lead status
Lead priority level
Your system’s ID for this contact
Free-text notes about this contact
Financial Fields
Credit score
Loan balance
Interest rate
Lender name
All financial, sales, and industry-specific fields (
loan_type, debt_balance, opportunity_value, client_goal, npn, crd, etc.) are also supported. See the full leads schema for all available fields.Example Request
Response
Whether the request was successful
The updated contact record with all fields
Human-readable result message
Example Response
200
404
Notes
- Only provided fields are updated; omitted fields remain unchanged
- The contact must belong to the authenticated tenant
- All updated fields are available for message variable substitution in campaigns:
{{first_name}},{{company_name}}, etc.

