API endpoint deprecation and removal schedule

This guide lists the current API endpoint deprecation schedule. For detailed information about each item, refer to the sections below.

API	Sunset date	Decommission date – Test (EXT)	Decommission date – Production
Holidays and admin divisions	Apr 2026	30 Oct 2026	30 Oct 2026
Marketplace merchant	Jan 2026	7 July 2026	7 July 2026
Merchant advancements	Nov 2026	15 May 2026	15 May 2026
Statements: Get account total due	Mar 2026	31 Aug 2026	31 Aug 2026
Statements: List transaction types	Mar 2026	26 Sep 2026	28 Sep 2026
Transaction banking: Multi-leg payment endpoints	Nov 2025	6 Nov 2026	6 Nov 2026
Transactions: Get transaction count	Aug 2026	22 Feb 2027	22 Feb 2027

For more information about Pismo's API life cycle, refer to API life cycle and deprecation strategy.

Holidays and admin divisions

🚧
Decommission and removal date
The deprecated endpoints listed here will be decommissioned (removed) on October 2026 (PISMO-312616).

Deprecated endpoints	Replacement endpoints
Create holiday POST /holidays-core/v2/holiday	Add holiday POST /v1/holiday-calendar/holiday
List holidays GET /orgs-core/v1/orgs/holidays	List holidays GET /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/holiday
Update holiday PUT /orgs-core/v1/orgs/holidays/{id}	Update holiday PATCH /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/holiday/{holiday_id}
Delete holiday DELETE /orgs-core/v1/orgs/holidays/{id}	Delete holiday DELETE /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/holiday/{holiday_id}
Create holiday POST /holidays-core/v1/holiday	Add holiday POST /holidays-core/v1/holiday-calendar/holiday
List holidays GET /holidays-core/v1/holiday	List holidays GET /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/holiday
Get holiday POST /holidays-core/v1/holiday/validate	Get business day POST /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/business-day
Update holiday name PUT /holidays-core/v1/holiday/{holiday_id}	Update holiday PATCH /holidays-core/v1/holiday-Update holidaycalendar/{holiday_calendar_id}/holiday/{holiday_id}
Delete holiday DELETE /holidays-core/v1/holiday/{holiday_id}	Delete holiday DELETE /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/holiday/{holiday_id}
Check if business day POST /holidays-core/v1/search-business-day	Get business day POST /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/business-day
List non-business days GET /holidays-core/v1/non-business-days	Get non-business days GET /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/non-business-days
List holidays with admin division ancestors GET /holidays-core/v1/holiday/administrative-division/{administrative_division_id}/ancestors	List holiday calendars GET /holidays-core/v1/holiday-calendar
Create holiday POST /holidays-core/v2/holiday	Add holiday POST /holidays-core/v1/holiday-calendar/holiday
List holidays GET /holidays-core/v2/holiday	List holiday calendars GET /holidays-core/v1/holiday-calendarOST /holidays-core/v1/holiday-calendar/holiday
Update holiday PUT /holidays-core/v2/holiday/{holiday_id}	Update holiday PATCH /holidays-core/v1/holiday-calendar/{holiday_calendar_id}/holiday/{holiday_id}
Create administrative division POST /divisions-core/v1/administrative-division	Create holiday calendar POST /holidays-core/v1/holiday-calendar
Get admin division info by external ID GET /divisions-core/v1/administrative-division/external-id/{id}	Get calendar by external ID GET /holidays-core/v1/holiday-calendar/external-id/{holiday_external_id}
Get admin division info GET /divisions-core/v1/administrative-division/{id}	Get holiday calendar GET /holidays-core/v1/holiday-calendar/{holiday_calendar_ID}
Update administrative division PUT /divisions-core/v1/administrative-division/{id}	Update holiday calendar PATCH /holidays-core/v1/holiday-calendar/{holiday_calendar_ID}
Delete administrative division DELETE /divisions-core/v1/administrative-division/{id}	Delete holiday calendar DELETE /holidays-core/v1/holiday-calendar/{holiday_calendar_ID}
Get admin division tree by admin division ID GET /divisions-core/v1/administrative-division/{id}/tree	List holiday calendars GET /holidays-core/v1/holiday-calendar
Get admin division tree by external ID GET /divisions-core/v1/administrative-division/external-id/{id}/tree	List holiday calendars GET /holidays-core/v1/holiday-calendar
Get admin division ancestors by admin division ID GET /divisions-core/v1/administrative-division/external-id/{id}/tree	List holiday calendars GET /holidays-core/v1/holiday-calendar
Get admin division ancestors by external ID GET /divisions-core/v1/administrative-division/external-id/{id}/ancestors	List holiday calendars GET /holidays-core/v1/holiday-calendar
Create administrative division POST /divisions-core/v2/administrative-division	Create holiday calendar POST /holidays-core/v1/holiday-calendar
Get admin division info GET /divisions-core/v2/administrative-division/{id}	Get holiday calendar GET /holidays-core/v1/holiday-calendar/{holiday_calendar_ID}
Update administrative division PUT /divisions-core/v2/administrative-division/{id}	Update holiday calendar PATCH /holidays-core/v1/holiday-calendar/{holiday_calendar_ID}

Marketplace merchant

🚧
Decommission and removal date
The deprecated endpoints listed here will be decommissioned (removed) on 7 July 2026 (PISMO–312936).

Deprecated endpoints	Replacement endpoints
GET /marketplaces/v1/{marketplaceId}/merchants GET /v2/marketplaces/{marketplaceId}/merchants POST /marketplaces/v1/{marketplaceId}/merchants/{merchantId} DELETE /marketplaces/v1/{marketplaceId}/merchants/{merchantId} GET /marketplace/v1/marketplaces/{marketplaceId} PUT /marketplace/v1/marketplaces/{marketplaceId} POST /marketplace/v2/marketplaces	List merchants linked to a marketplace List merchants linked to a marketplace Link marketplace to merchants Unlink marketplace and merchant Get marketplace by ID Update marketplace Create marketplace

Merchant advancements

🚧
Decommission and removal date
The deprecated endpoints listed here will be decommissioned (removed) on 21 November 2026 (PISMO–350162).

Deprecated endpoints	Replacement endpoints
POST /merchants/v2/merchants/{merchantId}/advancements GET /merchants/v1/merchants/{merchantId}/advancements/requests/{advancementRequestId}	Simulate merchant advancement Get advancement

Deprecated endpoints

Replacement endpoints

POST /merchants/v2/merchants/{merchantId}/advancements

GET /merchants/v1/merchants/{merchantId}/advancements/requests/{advancementRequestId}

Simulate merchant advancement Get advancement

Statements

🚧
Decommission and removal date
The deprecated endpoint listed here will be decommissioned (removed) on 4 May 2026 (PISMO-293204, PISMO-290070).

Deprecated endpoints	Replacement endpoints
GET /statements/v1/accounts/{accountId}/total-due	Get account total due

🚧
Decommission and removal date
The deprecated endpoint listed here will be decommissioned (removed) on 28 September 2026 (PISMO-331027).

Deprecated endpoints	Replacement endpoints
GET /statements-v2/v1/transactions-types	List program transaction types

Transaction banking

🚧
Decommission and removal date
The deprecated endpoints listed here will be decommissioned (removed) on 6 November 2026 and replaced by their corresponding v3 endpoints (PISMO-298216).

Deprecated endpoint	Replacement endpoint
Post multi-leg payment v2	Post multi-leg payment v3
Get multi-leg payment status v2	Get multi-leg payment status v3

Transactions

🚧
Decommission and removal date
The deprecated endpoint listed here will be decommissioned (removed) on 22 February 2027 (391709).

Deprecated endpoint	Replacement endpoint
Get transaction count	None

API endpoint deprecation and removal schedule

Decommission and removal date

Decommission and removal date

Decommission and removal date

Decommission and removal date

Decommission and removal date

Decommission and removal date

Decommission and removal date

Changelog

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