Available
Best for:
- Providing access to the shipment status at any time
- Integrating all types of DHL shipments
- Multiple shipments (e.g. eCommerce, Express, Freight, Letter, Parcel, etc.)
Browse APIs 
Sales Invoice Push API enables customers to receive invoice data from DHL Freight.
Best for receiving:
- Sales Invoice
- Credit Notes
- Correction Invoice
Push API is a three step process.
- Register for Push API subscription
- Provide your URL callback details (POST /subscription/invoice)
- Start to receive messages pushed from DHL to your API
Other HTTP methods such as GET & PATCH are created for supporting you with fetching subscription details & modifying configurations.