# Customer methods: update, delete

URL: /code/sdk/customer/records-update · Id: `page:code/sdk/customer/records-update`

> The Customer Verbs update, delete as typed SDK methods, with inputs, result, refusals and an example.

Reference for [Customer](/business/nouns/customer), one group of [Customer methods](/code/sdk/customer).

### Customer.update
Changes the given properties of a Customer. [Verb page](/business/nouns/customer/update?interface=sdk).

```ts
interface CustomerVerbs {
  update(input: CustomerUpdateInput, options?: SB.CallOptions): SB.Call<Customer>
}
```

Emits `Customer.updated`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the Customer. |
| `since` | `datetime` | No | When the party first accepted an Offer. |
| `outside` | `boolean` | No | Computed: true when it shares no owner, account, or sibling chain with the Startup. |
| `billingEmail` | `email` | No | Where Invoices and receipts go, when it differs from the sign-in email. |
| `billingAddress` | `text` | No | The address printed on new Invoices; Stripe Tax reads it to compute tax. |
| `taxIds` | `string[]` | No | The Customer’s tax ids, such as a VAT number, printed on new Invoices and read by Stripe Tax. |
| `creditRecharge` | `json` | No | When unspent credit falls below `below`, buy `amount` of the credit Offer with the default Payment Source. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `customer` | [Customer](/business/nouns/customer) | Yes | The Customer. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```ts
import { $ } from 'startup-builder'

const customer = await $.Customer.update({ id: 'cus_K1BROJhqzZ', since: '2026-10-22T12:00:00Z' })
```

### Customer.delete
Deletes a Customer: a soft delete that keeps its history, undone by `Thing.restore`. [Verb page](/business/nouns/customer/delete?interface=sdk).

```ts
interface CustomerVerbs {
  delete(input: CustomerDeleteInput, options?: SB.CallOptions): SB.Call<Customer>
}
```

Emits `Customer.deleted`.

**Inputs**

| Input | Type | Required | Description |
| --- | --- | --- | --- |
| `id` | `string` | Yes | The id of the Customer. |

**Returns**

| Output | Type | Required | Description |
| --- | --- | --- | --- |
| `customer` | [Customer](/business/nouns/customer) | Yes | The Customer. |

**Refuses when**

| Check | Error | Fix | Then call |
| --- | --- | --- | --- |
| The key is valid, but its scopes do not allow this operation. | [`forbidden`](/code/api/errors/forbidden) | Use a key whose scopes cover the operation, or ask an owner of the namespace to grant them. | None. |

**Example**

```ts
import { $ } from 'startup-builder'

const customer = await $.Customer.delete({ id: 'cus_K1BROJhqzZ' })
```