> ## Documentation Index
> Fetch the complete documentation index at: https://docs.vh3.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Reference Data

> Department and nominal codes

# Reference Data

Department and nominal codes. Auth: `X-API-Key` header. Base: `https://api.vh3connect.io/api:YdihQNr3`.

## Shared parameters

| Param        | Type    | Description                            |
| ------------ | ------- | -------------------------------------- |
| `pageNumber` | integer | Page index (1-based)                   |
| `pageSize`   | integer | Items per page (default 100, max 1000) |
| `sortBy`     | string  | Sort field (endpoint-specific)         |
| `direction`  | enum    | `ascending` or `descending`            |

## Department codes

Departments.

### `POST` `/reference_data/department_codes_list`

List codes.

```bash theme={null}
curl -X POST "https://api.vh3connect.io/api:YdihQNr3/reference_data/department_codes_list" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "pageNumber": 1,
  "pageSize": 100
}'
```

### `GET` `/reference_data/retrieves_details`

Get code.

```bash theme={null}
curl -G "https://api.vh3connect.io/api:YdihQNr3/reference_data/retrieves_details" \
  -H "X-API-Key: your-api-key" \
  --data-urlencode "departmentCodeId=1"
```

## Nominal codes

Nominal accounts.

### `POST` `/reference_data/normalt_codes_list`

List codes.

```bash theme={null}
curl -X POST "https://api.vh3connect.io/api:YdihQNr3/reference_data/normalt_codes_list" \
  -H "X-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
  "pageNumber": 1,
  "pageSize": 100
}'
```

### `GET` `/reference_data/nominal_code_id`

Get code.

```bash theme={null}
curl -G "https://api.vh3connect.io/api:YdihQNr3/reference_data/nominal_code_id" \
  -H "X-API-Key: your-api-key" \
  --data-urlencode "nominalCodeId=1"
```