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POST
/
invoices
Create an invoice
curl --request POST \
  --url https://api.antei.com/invoices \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "contact_id": "<string>",
  "line_items": [
    {
      "product_id": "<string>",
      "quantity": 123,
      "price": 123
    }
  ],
  "issue_date": "2023-12-25",
  "due_date": "2023-12-25",
  "currency": "<string>",
  "metadata": {}
}'
{
  "id": "<string>",
  "invoice_number": "<string>",
  "status": "draft",
  "contact_id": "<string>",
  "transaction_ids": [
    "<string>"
  ],
  "currency": "<string>",
  "amount": 123,
  "issue_date": "2023-12-25",
  "due_date": "2023-12-25",
  "metadata": {}
}
This endpoint allows you to generate a new invoice. Required fields:
  • contact_id
  • line_items with product references
  • currency and issue_date
You may also include optional fields such as due_date, payment_instructions, or internal_notes. Once created, the invoice will be available for downstream tax calculation, email dispatch, and reporting workflows.

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/json
​
contact_id
string
required
​
line_items
object[]
required
​
currency
string
required
​
issue_date
string<date>
​
due_date
string<date>
​
metadata
object

Response

201 - application/json

Invoice created

​
invoice_number
string
required
​
status
enum<string>
required
Available options:
draft,
sent,
paid,
void
​
contact_id
string
required
​
currency
string
required
​
amount
number
required
​
id
string
​
transaction_ids
string[]
​
issue_date
string<date>
​
due_date
string<date>
​
metadata
object