invoices.py

# So we can talk to the SoftLayer API:
import SoftLayer
# For nice debug output:
from pprint import pprint as pp

# Your SoftLayer API username and key.
#
# Generate an API key at the SoftLayer Customer Portal:
# https://manage.softlayer.com/Administrative/apiKeychain
api_username = ''
api_key = ''

client = SoftLayer.Client(username=api_username, api_key=api_key)

start_date = '1/01/2013 0:0:0'
end_date = '05/31/2013 23:59:59'
object_filter = {
    'invoices': {
        'createDate': {
            'operation': 'betweenDate',
            'options': [
                {'name': 'startDate', 'value': [start_date]},
                {'name': 'endDate', 'value': [end_date]}
            ]
        },
    },
}
object_mask = 'id, createDate, typeCode, endingBalance, account.companyName'

invoices_iter = client['SoftLayer_Account'].getInvoices(
    mask=object_mask,
    filter=object_filter,
    chunk=3000,
    iter=True)
all_invoices = [invoice for invoice in invoices_iter
                if invoice['typeCode'] == 'RECURRING'
                or invoice['endingBalance'] == 0]
print "Invoices between %s and %s" % (start_date, end_date)
pp(all_invoices)