Where do I find my invoice? Natalie W. April 08, 2020 19:25 Updated If you are an API customer on a monthly invoice, please contact your Account Manager with invoice related questions or open a support ticket. Related articles How do I get billed via invoice? I had an issue on my order — is it refundable? How do I use Postmates Delivery as a Service? How long is onboarding/what are the steps? I'm the end customer/recipient. Can you help me with my order?