post
https://api.mercury.com/api/v1/ar/invoices/
Update an existing invoice
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This endpoint requires you to send all data in full, including optional fields. For example, if an invoice has an
internalNote, then sending a request without theinternalNoteparameter or withnullin that field will result in the internal note being deleted. To avoid unintended changes, you can use the GET endpoint to retrieve the latest data for an invoice before updating it.
400Invalid body
404invoiceId not found

