curl --request PATCH \
  --url https://api.portable.io/v2/sources/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "displayName": "",
  "properties": {
    "domain": "veradata-3625884588",
    "api_key": "********"
  }
}
'

{
  "data": {
    "id": 80562,
    "displayName": "",
    "sourceSpec": {
      "name": "freshsales",
      "instructions": "**API Key:** Each user in Freshsales is provided with a unique API key. To find your API key\n\n1. Click your profile picture and select Profile Settings.\n2. Click the API Settings tab.\n3. You can find your API key in the field Your API key.\n\n**Subdomain:** Your subdomain is found in the URL when you visit Freshsales. For instance, if you visit \"https://example.myfreshworks.com/crm/sales\", your subdomain is just 'example'.\n\n**Account View ID:** By default, we iterate through all account views to find your accounts. If you have a single account view ID (likely the one that corresponds to All Accounts) that you would like us to use to pull accounts, you can enter the ID here.",
      "propertyDefinitions": [
        {
          "name": "domain",
          "type": "string",
          "required": true,
          "description": "Subdomain"
        },
        {
          "name": "api_key",
          "type": "password",
          "required": true,
          "description": "API Key"
        },
        {
          "name": "account_view_id",
          "type": "string",
          "required": false,
          "description": "Account View ID (If you only want to pull accounts from one view i.e. 12006154448)"
        }
      ]
    },
    "properties": {
      "domain": "veradata-3625884588",
      "api_key": "********"
    },
    "createdAt": "2023‐06‐12T20:03:00Z",
    "updatedAt": "2023-08-01T00:00:00Z"
  }
}