B2Bi

API related POST commands

API command	Required	Result	More info and example
Create invoice : Post v1/order	yes	Document created in Billit, appears in income section	https://docs.billit.be/docs/content-requirements-pa
Send invoice Post v1/order/commands/send	no	Only to activate when you want to send the document to the customer	https://docs.billit.be/docs/send-sales-invoice-france

How will Billit know it is B2Bi ?

Property in Customer Segment	Description
VATNumber	Must be filled with a VAT number
VATLiable	is by default true when VAT number is filled. setting it to true is can be set but is not mandatory as this is the default value
Adresses / AdressType : "InvoiceAddress" / CountryCode	Must be other country than FR

Sample API content for B2Bi

Below example of B2Bi content

{
   "OrderNumber": "5245589999",
   "Customer": {
   "Name": "Billit",
   "VATNumber": "BE0563846944",  // indicating customer is VAT liable
   "PartyType": "Customer",  //Income : must be customer
    "VATLiable": true,  // confirms company is VAT liable
   "Addresses": [
        {
        "AddressType": "InvoiceAddress",
        "Name": "Billit",
        "Street": "Oktrooiplein",
        "StreetNumber": "1a",
        "City": "Ghent",
        "Zipcode" : "9001",
        "Box": "301",
        "CountryCode": "BE"  //other country code then FR
        }
   ]
   },
    "OrderDate": "2026-05-6T00:00:00",
    "ExpiryDate": "2026-06-04T00:00:00",
    "OrderType": "Invoice",
    "OrderDirection": "Income",
    "OrderLines": [
        {
            "Quantity": 1.00000,
            "UnitPriceExcl": 400.00000,
            "Description": "just a single line",
            "DescriptionExtended": "some extended description",
            "VATPercentage": 0.00,
        }
    ],
    "BusinessProcessType": "B1",  //not mandatory for e-reporting
    "Paid": false,  // at the mometn of creation, no payment was received
    "Comments": "additional info",
    "Currency": "EUR",
}