## Unblock a contact

**post** `/v2/contacts/{id}/unblock`

Unblocks a contact by their Featurebase ID from the messenger/inbox.

### Path Parameters

- `id` - The Featurebase internal ID of the contact (MongoDB ObjectId)

### Supported Contact Types

This endpoint unblocks both:

- **Customers** - Users with registered accounts
- **Leads** - Anonymous or unregistered visitors

### Unblocking Behavior

When a contact is unblocked:

- The contact can resume sending messages via messenger
- Previously blocked conversations remain intact
- The contact regains full messenger functionality

### Response

Returns an unblock confirmation object:

- `id` - The ID of the unblocked contact
- `object` - Always "contact"
- `unblocked` - Always `true`

### Example Response

```json
{
  "id": "507f1f77bcf86cd799439011",
  "object": "contact",
  "unblocked": true
}
```

### Version Availability

This endpoint is only available in API version 2026-01-01.nova and newer.

### Path Parameters

- `id: string`

  Featurebase contact ID

### Header Parameters

- `"Featurebase-Version": optional "2026-01-01.nova" or "2025-12-12.clover"`

  - `"2026-01-01.nova"`

  - `"2025-12-12.clover"`

### Returns

- `id: string`

  Unique identifier of the unblocked contact

- `object: "contact"`

  Object type identifier

  - `"contact"`

- `unblocked: true`

  Indicates the contact was unblocked

  - `true`

### Example

```http
curl https://do.featurebase.app/v2/contacts/$ID/unblock \
    -X POST \
    -H "Authorization: Bearer $FEATUREBASE_API_KEY"
```

#### Response

```json
{
  "id": "507f1f77bcf86cd799439011",
  "object": "contact",
  "unblocked": true
}
```