---
title: "Changes to Get registration by id"
method: GET
path: "/v1/registrations/{registration_id}"
---

# Changes to Get registration by id

`GET /v1/registrations/{registration_id}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 3 revisions.

- **2026-08-29** `6ba4f4c774c3` — 25 breaking, 4 warning, 281 info

## Changes

- **2026-08-29** `6ba4f4c774c3` — 25 breaking, 4 warning, 281 info
  - added the new required `header` request parameter `x-organization-id`
  - response property `auto_registered` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `comment` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `create_filings_from` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `deregistration_completed` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `deregistration_requested` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `imported` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `initial_sync` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `marked_collecting` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `marked_collecting_date` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `needs_mark_as_collecting` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `registration_completed` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `registration_date` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `registration_email` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `registration_requested` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `sales_tax_id` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `sst_import` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `third_party_enabled` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `two_factor_enabled` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `username` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - response property `vda` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - the `change_regime_status` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - the `oss_member_state_of_identification_code` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - the `oss_type` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - the `registrations_regime` response's property type/format changed from `string`/`` to ``/`` for status `200`
  - removed the optional property `deregistration_key` from the response with the `200` status
  - removed the optional property `registration_key` from the response with the `200` status
  - added the new `CANCELLED` enum value to the `status` response property for the response status `200`
  - added the new `SELF_MANAGED` enum value to the `status` response property for the response status `200`
  - the endpoint scheme security `APIKeyHeader` was added to the API
  - the endpoint scheme security `APIKeyHeader AND CustomHeader` was removed from the API
  - `query` request parameter `reveal` list-of-types was widened by adding types `null`
  - for the `query` request parameter `reveal`, the type/format was generalized from `string`/`` to ``/``
  - added the optional property `create_back_filing` to the response with the `200` status
  - added the optional property `created_at` to the response with the `200` status
  - added the optional property `filing_frequency_effective_date` to the response with the `200` status
  - added the optional property `initial_filing_frequency` to the response with the `200` status
  - added the optional property `ior_date` to the response with the `200` status
  - added the optional property `ior_number` to the response with the `200` status
  - added the optional property `jurisdiction_specific_fields` to the response with the `200` status
  - …270 more
  - …this revision’s changelog is incomplete

---

[Operation](https://skmtc.dev/trykintsugi/apis/tax-platform/docs/v1/registrations/:registration_id/get.md) · [API](https://skmtc.dev/trykintsugi/apis/tax-platform.md) · [Page](https://skmtc.dev/trykintsugi/apis/tax-platform/changes/v1/registrations/:registration_id/get)