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POST
/
api
/
v1
/
billing
/
invoices
/
{id}
/
approve
curl -X POST "https://api.nevatal.com/api/v1/billing/invoices/inv_002/approve" \
  -H "Authorization: Bearer nvtl_your_api_key"

{
  "id": "inv_002",
  "invoiceNumber": "FV-2025-0043",
  "status": "approved",
  "approvedAt": "2025-03-16T10:00:00Z"
}

​
Path Parameters

​
id
string
required
The invoice ID
Only invoices with draft status can be approved. Approved invoices generate an official invoice number and cannot be edited — only voided via a credit note.
curl -X POST "https://api.nevatal.com/api/v1/billing/invoices/inv_002/approve" \
  -H "Authorization: Bearer nvtl_your_api_key"

{
  "id": "inv_002",
  "invoiceNumber": "FV-2025-0043",
  "status": "approved",
  "approvedAt": "2025-03-16T10:00:00Z"
}