> ## Documentation Index
> Fetch the complete documentation index at: https://docs.paytsoftware.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> API version history: endpoints, fields, and webhook events added over time.

| Date       | Change                                                                                                                                                                                                                           |
| ---------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| 2026-06-23 | Add `autogenerated_credit_limit_amount`, `external_credit_limit_amount` and `external_credit_limit_currency_code` to debtor [getV1Debtors](/api-reference/debtors/get-administration-debtors)                                    |
| 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](/api-reference/tasks/get-administration-tasks)                                                                                                                 |
| 2026-04-29 | Made "mandate\_identifier" optional and added "mandate\_reference" in [postV1PspMandates](/api-reference/psp_mandates/create-signed-psp-mandates-these-need-to-be-verified-before-creating) to allow creating mandates at Mollie |
| 2026-04-15 | Endpoint for creating comments on tasks [postV1TasksIdComment](/api-reference/tasks/add-a-comment-to-a-task)                                                                                                                     |
| 2026-04-14 | Added "comments" to task endpoint [getV1TasksId](/api-reference/tasks/get-administration-task-by-id)                                                                                                                             |
| 2026-02-27 | Add "peppol\_identifier" to endpoint [postV1Debtors](/api-reference/debtors/create-or-update-administration-debtors)                                                                                                             |
| 2026-02-20 | Add "payment\_methods" and "statuses" filters to endpoint [getV1PspTransactions](/api-reference/psp_transactions/get-administration-psp-transactions)                                                                            |
| 2026-01-16 | Add "reversal\_code" to endpoint [getV1PspTransactions](/api-reference/psp_transactions/get-administration-psp-transactions)                                                                                                     |
| 2025-12-02 | Added resume invoices endpoint [patchV1InvoicesResume](/api-reference/invoices/resume-invoices-that-are-blocked-through-the-api)                                                                                                 |
| 2025-12-01 | Added block invoices endpoint [patchV1InvoicesBlock](/api-reference/invoices/block-invoices)                                                                                                                                     |
| 2025-10-02 | Added "birth\_date" to [postV1Contacts](/api-reference/contacts/create-or-update-administration-contacts)                                                                                                                        |
| 2025-07-15 | Added "sent\_at" to [patchV1Invoices and postV1Invoices](/api-reference/invoices/get-administration-invoices)                                                                                                                    |
| 2025-07-07 | Added "debtor\_numbers" and filter for "debtor\_numbers" to [getV1Contacts](/api-reference/contacts/get-administration-contacts)                                                                                                 |
| 2025-04-09 | Added details with a "bounce\_reason" to [getV1Notifications](/api-reference/notifications/get-administration-notifications)                                                                                                     |
| 2025-04-09 | Added "active" and filters for "debtor\_number" and "debtor\_identifier" to [getV1PaymentPlans](/api-reference/payment_plans/get-administration-payment-plans)                                                                   |
| 2025-04-02 | Added "payment\_condition" to [patchV1Invoices and postV1Invoices](/api-reference/invoices/get-administration-invoices)                                                                                                          |
| 2025-03-27 | Added endpoint for deleted payment plans [getV1PaymentPlansDeleted](/api-reference/payment_plans/get-payment_plans-deleted-in-the-last-90-days)                                                                                  |
| 2025-03-24 | Endpoint for contacts [getV1Contacts](/api-reference/contacts/get-administration-contacts)                                                                                                                                       |
| 2025-03-21 | Removed "flow\_code" from [patchV1Invoices](/api-reference/invoices/update-administration-invoices)                                                                                                                              |
| 2025-01-13 | Endpoint for creating invoices [postV1Invoices](/api-reference/invoices/upsert-invoices-in-bulk)                                                                                                                                 |
| 2024-12-16 | Added "active\_credit\_case\_id" to, and marked "credit\_case\_id" deprecated on [getV1Invoices](/api-reference/invoices/get-administration-invoices)                                                                            |
| 2024-10-01 | Endpoint for posting files [postV1Files](/api-reference/files/create-files-to-upload)                                                                                                                                            |
| 2024-09-26 | Added "end\_of\_service\_at" and "end\_of\_service\_announcement\_at" to [getV1Invoices](/api-reference/invoices/get-administration-invoices)                                                                                    |
| 2024-08-08 | Added "flow\_code" to update flow for invoices to [patchV1Invoices](/api-reference/invoices/update-administration-invoices)                                                                                                      |
| 2024-08-06 | Added documentation for Post/Patch [responses](/api/responses)                                                                                                                                                                   |
| 2024-08-02 | Endpoint for updating invoices, only labels and categories: [patchV1Invoices](/api-reference/invoices/update-administration-invoices)                                                                                            |
| 2024-07-30 | Endpoint for updating messages with read or unread status: [patchV1Messages](/api-reference/messages/update-messages)                                                                                                            |
| 2024-04-26 | Added endpoint for deleted invoices: [getV1InvoicesDeleted](/api-reference/invoices/get-invoices-deleted-in-the-last-90-days)                                                                                                    |
| 2024-03-28 | Added "administration\_costs\_total" and "administration\_costs\_open" to [getV1Invoices](/api-reference/invoices/get-administration-invoices)                                                                                   |
| 2024-03-26 | Added "last\_successful\_import\_at" to [getV1Administrations](/api-reference/administrations/get-administration-by-id)                                                                                                          |
| 2024-03-01 | Added create debtors endpoint: [postV1Debtors](/api-reference/debtors/create-or-update-administration-debtors)                                                                                                                   |