Update an existing contact
Update a contact's information. If you're trying to update a custom field and that custom field accepts multiple values, you can specify `.add` or `.remove` as part of the field key to add/remove a single value to/from a list of values, e.g.:
```json
{ "custom.cf_v6S011I6MqcbVvB2FA5Nk8dr5MkL8sWuCiG8cUleO9c.add": "Wednesday" }
```
adds "Wednesday" to the list of values which already exist on the given contact.
Authentication
AuthorizationBasic
Basic authentication of the form Basic <base64(username:)>.
OR
AuthorizationBearer
Bearer authentication of the form Bearer <token>, where token is your auth token.
Path parameters
id
Query parameters
_fields
Comma-separated list of fields to include in the response.
Request
This endpoint expects any.
Response
Successful response
created_by
date_created
date_updated
display_name
id
name
organization_id
title
updated_by
emails
integration_links
lead_id
lead_suggestions_operation_id
phones
recent_calls
subscriptions
timezone
timezone_source
urls
Errors
400
Bad Request Error
401
Unauthorized Error
404
Not Found Error