PAYMENTS
SIMPLIFIED

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API Base URLs

  • Production Server

    For processing live transactions

    https://api.payjunction.com

  • Test Server

    For development

    https://api.payjunctionlabs.com

Most Commonly Referred to Articles

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GET /invoices/{invoiceId}/notes

Get a list of notes for an invoice.

Example Request in the "Labs Demo" account:

Please note you will need to replace the URL, API User/PW and the Application Key with your specific values.
curl -X GET -u "YOUR_USER:YOUR_PASSWORD" -H "Accept: application/json" -H "X-PJ-Application-Key: c0d73641-65ae-4e9b-bbab-fb6215d7ee98" \
"https://api.payjunctionlabs.com/invoices/fb215518-c258-42f7-99e1-d29577716704/notes"

Example Response

{
  "results" : [ {
    "noteId" : 3,
    "note" : "This is an Invoice Note",
    "created" : "2025-04-09T15:06:12Z",
    "lastModified" : "2025-04-09T15:06:12Z",
    "user" : {
      "firstName" : "Johnny",
      "lastName" : "Demo"
    }
  }, {
    "noteId" : 1,
    "note" : "DemoFirst DemoLast (3): Sent an invoice.",
    "created" : "2025-04-09T15:02:12Z",
    "lastModified" : "2025-04-09T15:02:12Z"
  } ]
}

This API endpoint uses pagination.

To ensure all query results are received make sure to read our Pagination article.