You need to add a filter parameter to your GET request. This parameter has to be a JSON array of objects. Please refer to the filters main section to see how to build correctly the filter parameter.

Allowed filter combinations for billing subscriptions

Field	Description	Value(s)	Available operators
status	The invoice status	Look at the invoice status values below	`eq`
customer_id	The invoice customer id	String	`eq`
start	The invoice issue date	String (ISO 8601)	`eq`, `not_eq`, `lt`, `gt`, `lteq`, `gteq`
finish	The invoice deadline date	String (ISO 8601)	`eq`, `not_eq`, `lt`, `gt`, `lteq`, `gteq`

List of invoice status values

Value	Description
`stopped`	A billing subscription that is paused
`draft`	A billing subscription that is still in draft mode
`not_started`	A billing subscription with start_date in future
`finished`	A billing subscription that finished all the occurences
`in_progress`	A billing subscription that is currently running