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PUT
https://api.stateset.com
/
v1
/
invoices
/
:id
curl --location --request PUT 'https://api.stateset.com/v1/invoices/inv_0901f083-aa1c-43c5-af5c-0a9d2fc64e30' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--data-raw '{
    "due_date": "2024-02-28",
    "payment_terms": "Net 45",
    "notes": "Updated payment terms as discussed"
}'

{
  "id": "inv_0901f083-aa1c-43c5-af5c-0a9d2fc64e30",
  "object": "invoice",
  "invoice_number": "INV-2024-0001",
  "status": "sent",
  "updated_at": "2024-01-20T11:00:00Z",
  "due_date": "2024-02-28",
  "payment_terms": "Net 45",
  "notes": "Updated payment terms as discussed",
  "total_amount": 697500,
  "amount_due": 697500,
  "days_until_due": 40
}
This endpoint updates an existing invoice. Only draft invoices can have their line items modified. Sent invoices can only update certain fields.

​
Authentication

This endpoint requires a valid API key with invoices:write permissions. 
Authorization: Bearer YOUR_API_KEY

​
Path Parameters

​
id
string
required
The unique identifier of the invoice

​
Request Body

​
due_date
string
Update due date (YYYY-MM-DD)
​
payment_terms
string
Update payment terms
​
notes
string
Update invoice notes
​
line_items
array
Update line items (draft invoices only)
​
billing_address
object
Update billing address
​
metadata
object
Update custom fields

​
Response

Returns the updated invoice object. 
curl --location --request PUT 'https://api.stateset.com/v1/invoices/inv_0901f083-aa1c-43c5-af5c-0a9d2fc64e30' \
--header 'Content-Type: application/json' \
--header 'Authorization: Bearer YOUR_API_KEY' \
--data-raw '{
    "due_date": "2024-02-28",
    "payment_terms": "Net 45",
    "notes": "Updated payment terms as discussed"
}'

{
  "id": "inv_0901f083-aa1c-43c5-af5c-0a9d2fc64e30",
  "object": "invoice",
  "invoice_number": "INV-2024-0001",
  "status": "sent",
  "updated_at": "2024-01-20T11:00:00Z",
  "due_date": "2024-02-28",
  "payment_terms": "Net 45",
  "notes": "Updated payment terms as discussed",
  "total_amount": 697500,
  "amount_due": 697500,
  "days_until_due": 40
}