| Date | Change |
|---|---|
| 2026-09-14 | New endpoint for health care declaration lines getV1HealthCareDeclarationLines, gated by the health_care/declaration_lines:read OAuth scope; same response payload as getV1OrderLines, which keeps working but will be deprecated |
| 2026-09-14 | New endpoint for health care declaration uploads postV1HealthCareDeclarationUploads, gated by the health_care/declaration_uploads:write OAuth scope; send the file as declaration_file[file] (order[file] still works but is deprecated). postV1Orders keeps working but will be deprecated |
| 2026-09-14 | Applications holding order_lines:read or orders:write were granted the matching health_care/* scope automatically; the new scopes appear on the next access token you request |
| 2026-08-27 | Documented that fields marked as derived don’t get updates through updated_after syncing; sync those via the endpoints they’re derived from, if any (see Pagination & syncing) |
| 2026-08-27 | Add debtor_provided_email_address to getV1Contacts |
| 2026-08-26 | New endpoint for labels getV1Labels, gated by the labels:read OAuth scope |
| 2026-08-26 | Add id to label objects nested under getV1Debtors, getV1Invoices and getV1CreditCases |
| 2026-06-23 | Add autogenerated_credit_limit_amount, external_credit_limit_amount and external_credit_limit_currency_code to debtor getV1Debtors |
| 2026-06-03 | Added webhook event debtor_email_address_removed for when a custom email address is removed for a debtor |
| 2026-04-30 | Added endpoints “MarkCompleted” and “UnmarkCompleted” for tasks |
| 2026-04-29 | Made “mandate_identifier” optional and added “mandate_reference” in postV1PspMandates to allow creating mandates at Mollie |
| 2026-04-15 | Endpoint for creating comments on tasks postV1TasksIdComment |
| 2026-04-14 | Added “comments” to task endpoint getV1TasksId |
| 2026-02-27 | Add “peppol_identifier” to endpoint postV1Debtors |
| 2026-02-20 | Add “payment_methods” and “statuses” filters to endpoint getV1PspTransactions |
| 2026-01-16 | Add “reversal_code” to endpoint getV1PspTransactions |
| 2025-12-02 | Added resume invoices endpoint patchV1InvoicesResume |
| 2025-12-01 | Added block invoices endpoint patchV1InvoicesBlock |
| 2025-10-02 | Added “birth_date” to postV1Contacts |
| 2025-07-15 | Added “sent_at” to patchV1Invoices and postV1Invoices |
| 2025-07-07 | Added “debtor_numbers” and filter for “debtor_numbers” to getV1Contacts |
| 2025-04-09 | Added details with a “bounce_reason” to getV1Notifications |
| 2025-04-09 | Added “active” and filters for “debtor_number” and “debtor_identifier” to getV1PaymentPlans |
| 2025-04-02 | Added “payment_condition” to patchV1Invoices and postV1Invoices |
| 2025-03-27 | Added endpoint for deleted payment plans getV1PaymentPlansDeleted |
| 2025-03-24 | Endpoint for contacts getV1Contacts |
| 2025-03-21 | Removed “flow_code” from patchV1Invoices |
| 2025-01-13 | Endpoint for creating invoices postV1Invoices |
| 2024-12-16 | Added “active_credit_case_id” to, and marked “credit_case_id” deprecated on getV1Invoices |
| 2024-10-01 | Endpoint for posting files postV1Files |
| 2024-09-26 | Added “end_of_service_at” and “end_of_service_announcement_at” to getV1Invoices |
| 2024-08-08 | Added “flow_code” to update flow for invoices to patchV1Invoices |
| 2024-08-06 | Added documentation for Post/Patch responses |
| 2024-08-02 | Endpoint for updating invoices, only labels and categories: patchV1Invoices |
| 2024-07-30 | Endpoint for updating messages with read or unread status: patchV1Messages |
| 2024-04-26 | Added endpoint for deleted invoices: getV1InvoicesDeleted |
| 2024-03-28 | Added “administration_costs_total” and “administration_costs_open” to getV1Invoices |
| 2024-03-26 | Added “last_successful_import_at” to getV1Administrations |
| 2024-03-01 | Added create debtors endpoint: postV1Debtors |
Introduction
Changelog
API version history: endpoints, fields, and webhook events added over time.
Last modified on September 14, 2026
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