## Update bank detail

`PATCH /v1/bank-details/:id`

Updates fields of an existing bank detail. Pass only the fields you want to change. Full list — [`GET /v1/bank-details/fields`](/docs/entities/bank-details/fields).

## Parameters

| Parameter | Type | Required | Description |
|----------|-----|:-----:|---------|
| `id` (path) | number | yes | Bank detail ID |

## Request fields (body)

| Field | Type | Required | Description |
|------|-----|:-----:|---------|
| `name` | string | no | Bank detail name |
| `rqBik` | string | no | Bank BIC |
| `rqAccNum` | string | no | Current account |
| `rqCorAccNum` | string | no | Correspondent account |
| `rqSwift` | string | no | SWIFT code |
| `rqIban` | string | no | IBAN number |
| `rqBankName` | string | no | Bank name |
| `rqBankAddr` | string | no | Bank address |
| `rqAccName` | string | no | Account holder name |
| `rqAccCurrency` | string | no | Account currency |
| `active` | boolean | no | Whether the detail is active |
| `sort` | number | no | Sort order |
| `comments` | string | no | Comment |

The `id`, `entityId`, `countryId`, `createdAt`, `updatedAt`, `createdBy`, `modifyBy` fields are set by the system and ignored on write.

## Examples

### curl — personal key

```bash
curl -X PATCH "https://vibecode.bitrix24.com/v1/bank-details/19" \
  -H "X-Api-Key: YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "rqAccName": "Acme LLC",
    "rqCorAccNum": "30101810400000000225"
  }'
```

### curl — OAuth app

```bash
curl -X PATCH "https://vibecode.bitrix24.com/v1/bank-details/19" \
  -H "X-Api-Key: YOUR_APP_KEY" \
  -H "Authorization: Bearer USER_SESSION_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "rqAccName": "Acme LLC",
    "rqCorAccNum": "30101810400000000225"
  }'
```

### JavaScript — personal key

```javascript
const res = await fetch('https://vibecode.bitrix24.com/v1/bank-details/19', {
  method: 'PATCH',
  headers: {
    'X-Api-Key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    rqAccName: 'Acme LLC',
    rqCorAccNum: '30101810400000000225',
  }),
})

const { success, data } = await res.json()
```

### JavaScript — OAuth app

```javascript
const res = await fetch('https://vibecode.bitrix24.com/v1/bank-details/19', {
  method: 'PATCH',
  headers: {
    'X-Api-Key': 'YOUR_APP_KEY',
    'Authorization': 'Bearer USER_SESSION_TOKEN',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    rqAccName: 'Acme LLC',
    rqCorAccNum: '30101810400000000225',
  }),
})

const { success, data } = await res.json()
```

## Response fields

| Field | Type | Description |
|------|-----|---------|
| `success` | boolean | Always `true` on success |
| `data` | object | The updated bank detail with current field values |
| `data.id` | number | Record ID |
| `data.entityId` | number | ID of the owner requisite |
| `data.updatedAt` | datetime | New modification date (ISO 8601) |
| `data.modifyBy` | number | ID of the user who performed the update |

The object contains all fields in camelCase, including unchanged ones. Unset fields are `null`. Full list — [Bank detail fields](/docs/entities/bank-details/fields).

## Response example

```json
{
  "success": true,
  "data": {
    "id": 19,
    "entityId": 1,
    "countryId": 0,
    "createdAt": "2026-06-10T10:14:29.000Z",
    "updatedAt": "2026-06-10T10:14:31.000Z",
    "createdBy": 1,
    "modifyBy": 1,
    "name": "Current account",
    "code": null,
    "xmlId": null,
    "originatorId": null,
    "active": true,
    "sort": 500,
    "rqBankName": null,
    "rqBankAddr": null,
    "rqBik": null,
    "rqAccName": "Acme LLC",
    "rqAccNum": "12345678901234567890",
    "rqAccCurrency": null,
    "rqCorAccNum": null,
    "rqIban": "GB29NWBK60161331926819",
    "rqSwift": "NWBKGB2L",
    "comments": null
  }
}
```

## Error response example

404 — bank detail not found:

```json
{
  "success": false,
  "error": {
    "code": "ENTITY_NOT_FOUND",
    "message": "The RequisiteBankDetail with ID '999999' is not found"
  }
}
```

## Errors

| HTTP | Code | Description |
|------|-----|---------|
| 404 | `ENTITY_NOT_FOUND` | No bank detail with this ID found |
| 403 | `SCOPE_DENIED` | Key lacks the `crm` scope. Message: `This endpoint requires 'crm' scope` |
| 401 | `TOKEN_MISSING` | `X-Api-Key` not provided |

Full list of common API errors — [Errors](/docs/errors).

## Known specifics

**An empty value clears the field.** To clear a field, pass an empty string `""`. In the response, cleared strings come back as `null`.

## See also

- [Get bank detail](/docs/entities/bank-details/get)
- [Create bank detail](/docs/entities/bank-details/create)
- [Delete bank detail](/docs/entities/bank-details/delete)
- [Bank detail fields](/docs/entities/bank-details/fields)
- [Batch](/docs/batch)
- [Limits and optimization](/docs/optimization)