# Update a contact

Update contact information including name, email, phone, pipeline stage, and custom fields.
Requires API key authentication.

Endpoint: POST /api-update-contact
Version: 1.1.0
Security: ApiKeyAuth

## Request fields (application/json):

  - `contactId` (string, required)

  - `name` (string)

  - `last_name` (string,null)

  - `email` (string,null)

  - `phone` (string)

  - `pipeline_stage_id` (string,null)
    Pipeline stage ID to assign to this contact

  - `custom_fields` (object)
    Custom field values (field_id: value pairs)

## Response 200 fields (application/json):

  - `success` (boolean)

  - `data` (object)

  - `data.id` (string)

  - `data.user_id` (string)

  - `data.name` (string)

  - `data.last_name` (string,null)

  - `data.phone` (string)

  - `data.whatsapp_id` (string,null)

  - `data.email` (string,null)

  - `data.profile_picture_url` (string,null)

  - `data.pipeline_stage_id` (string,null)
    Current pipeline stage ID for this contact

  - `data.pipeline_stage` (object)

  - `data.pipeline_stage.color` (string)
    Example: "#3B82F6"

  - `data.pipeline_stage.stage_order` (integer)
    Order/position of this stage in the pipeline

  - `data.pipeline_stage.is_system` (boolean)
    Whether this is a system-created stage

  - `data.pipeline_stage.created_at` (string)

  - `data.pipeline_stage.updated_at` (string)

  - `data.tags` (array)

  - `data.custom_fields` (array)
    Custom field values for this contact

  - `data.custom_fields.customer_id` (string)

  - `data.custom_fields.field_id` (string)

  - `data.custom_fields.field_value` (string,null)

  - `data.custom_fields.field` (object)

  - `data.custom_fields.field.field_name` (string)
    Example: "Company"

  - `data.custom_fields.field.field_type` (string)
    Enum: "text", "email", "phone", "number", "date", "select"

  - `data.custom_fields.field.field_options` (array,null)
    Options for select type fields

  - `data.custom_fields.field.is_required` (boolean)

  - `data.custom_fields.field.field_order` (integer)


## Response 400 fields

## Response 401 fields

## Response 404 fields

## Response 500 fields