## Update

**patch** `/v1/express/{expressCustomerId}`

Updates a customer's properties such as name or other metadata. All fields are optional - only provided fields will be updated.

### Path Parameters

- `expressCustomerId: string`

  Unique Express customer identifier. Format: cus_{32-hex-chars}

### Body Parameters

- `expressCustomerName: optional string`

  Updated name for the Express customer

- `metadata: optional map[string]`

  Updated metadata. Pass null to clear all metadata

### Returns

- `createdAt: string`

  Timestamp when the Express customer was created

- `expressCustomerId: string`

  Unique Express customer identifier. Format: cus_{32-hex-chars}

- `expressCustomerName: string`

  Name of the Express customer

- `isActive: boolean`

  Whether the Express customer is currently active

- `updatedAt: string`

  Timestamp when the Express customer was last updated

- `userCount: number`

  Number of users currently in this Express customer

- `createdByApiKeyId: optional string`

  UUID of the API key used to create this Express customer, for audit tracking

- `createdByUserId: optional string`

  User ID who created this Express customer via dashboard, null if created via API key

- `metadata: optional map[string]`

  Custom key-value metadata for the Express customer. Maximum 50 pairs, keys up to 100 chars, values up to 1000 chars

### Example

```http
curl https://api.avarasoftware.com/v1/express/$EXPRESS_CUSTOMER_ID \
    -X PATCH \
    -H "Authorization: Bearer $AVARA_API_KEY"
```