🚧
You must call /groupMembers after creating the Custom Field
After creating the custom field, you must call the Add Custom Field to Field Group api to add the custom field to a field group. Failure to do so will result in fields that are not visible on record pages.

To create a custom account field, the following permissions are required.

Account permission: the user should have permission to manage account.

📘
datetime field format
The datetime field default must be in ISO format

{	
	"accountCustomFieldMetum": {
		"fieldLabel": "sample text field2",
		"fieldType": "text",
		"fieldDefault": "Default Text",
		"isFormVisible": 1,
		"displayOrder": 1
	}
}

{
    "accountCustomFieldMetum": {
        "id": "1",
        "fieldLabel": "title",
        "fieldType": "text",
        "fieldOptions": null,
        "fieldDefault": "Default Text",
        "isFormVisible": 1,
        "displayOrder": 1,
        "createdTimestamp": "2018-10-22 19:57:37",
        "updatedTimestamp": "2018-10-22 19:57:37",
        "links": {
            "accountCustomFieldData": "https://:account.api-us1.com/api/:version/3/accountCustomFieldMeta/1/accountCustomFieldData"
        }
    }
}

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