## Create Checkout

**post** `/api/promptly/billing/checkout`

Create a Stripe checkout session for upgrading to paid plan

### Body Parameters

- `organizationId: string`

### Returns

- `url: optional string`

  Stripe checkout URL

### Example

```http
curl https://0ct.com/api/promptly/billing/checkout \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $0CT_API_KEY" \
    -d '{
          "organizationId": "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e"
        }'
```