---
title: "Changes to Update a train schedule exception"
method: PUT
path: "/train_schedule_exception/{id}"
---

# Changes to Update a train schedule exception

`PUT /train_schedule_exception/{id}`

> Every recorded change to this endpoint, newest first.
> 77 revisions in range; 2 not diffed.

## Timeline

Changed in 26 of 77 revisions.

- **2026-08-07** `e2b32620136e` — 1 info
- **2026-08-07** `59dc24ec18ec` — 1 warning
- **2026-08-05** `654079121ca5` — 1 info
- **2026-08-03** `1840dbbd64ac` — 1 breaking, 1 info
- **2026-08-03** `dff80f0a6343` — 1 breaking, 1 warning, 1 info
- **2026-07-31** `32ca346a5add` — 1 breaking, 2 info
- **2026-07-29** `62dbae65a593` — 1 breaking, 1 info
- **2026-07-21** `fa2c0899ac36` — 1 breaking, 1 info
- **2026-07-20** `044d0e3024fc` — 2 info
- **2026-07-17** `73f0d9b8f23a` — 1 breaking, 3 warning, 1 info
- **2026-07-17** `ccb1c170fd30` — 1 breaking, 4 info
- **2026-07-16** `f53d83a86a3d` — 2 warning
- **2026-07-07** `9eaeff932763` — 2 info
- **2026-06-10** `d3c96c71cacc` — 1 breaking, 2 warning, 1 info
- **2026-06-10** `534e56b95a11` — 2 breaking, 4 info
- **2026-06-02** `eac3722025f5` — 2 breaking, 2 info
- **2026-06-02** `493896ca3a79` — 2 breaking, 2 info
- **2026-06-02** `30b1a910e482` — 2 breaking, 2 info
- **2026-06-01** `19436075117f` — 2 breaking, 2 info
- **2026-05-29** `5f13ce93d42f` — 1 breaking
- **2026-05-19** `2af1eaa6f25d` — 1 breaking
- **2026-05-12** `8e6b47d9f599` — 2 breaking, 2 info
- **2026-05-11** `abd98d1fe2e2` — 3 breaking, 2 info
- **2026-05-06** `42b075bbf7a2` — 3 breaking, 2 info
- **2026-05-05** `1c296443ffe3` — 2 breaking, 2 info
- **2026-05-04** `79795fda6cad` — 1 breaking

## Changes

- **2026-08-07** `e2b32620136e` — 1 info
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack`
- **2026-08-07** `59dc24ec18ec` — 1 warning
  - removed the request property `change_groups/path_and_schedule/schedule/items/can_backtrack`
- **2026-08-05** `654079121ca5` — 1 info
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack`
- **2026-08-03** `1840dbbd64ac` — 1 breaking, 1 info
  - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-08-03** `dff80f0a6343` — 1 breaking, 1 warning, 1 info
  - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - removed the request property `change_groups/path_and_schedule/schedule/items/can_backtrack`
  - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-07-31** `32ca346a5add` — 1 breaking, 2 info
  - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack`
  - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-07-29** `62dbae65a593` — 1 breaking, 1 info
  - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-07-21** `fa2c0899ac36` — 1 breaking, 1 info
  - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-07-20** `044d0e3024fc` — 2 info
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival`
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position`
- **2026-07-17** `73f0d9b8f23a` — 1 breaking, 3 warning, 1 info
  - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - removed the request property `change_groups/path_and_schedule/schedule/items/can_backtrack`
  - removed the request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival`
  - removed the request property `change_groups/path_and_schedule/schedule/items/reference_position`
  - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-07-17** `ccb1c170fd30` — 1 breaking, 4 info
  - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/can_backtrack`
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival`
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position`
  - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-07-16** `f53d83a86a3d` — 2 warning
  - removed the request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival`
  - removed the request property `change_groups/path_and_schedule/schedule/items/reference_position`
- **2026-07-07** `9eaeff932763` — 2 info
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival`
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position`
- **2026-06-10** `d3c96c71cacc` — 1 breaking, 2 warning, 1 info
  - removed `subschema #2: OperationalPointReferenceDomestic` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - removed the request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival`
  - removed the request property `change_groups/path_and_schedule/schedule/items/reference_position`
  - added `subschema #2: OperationalPointReferenceTrigram` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-06-10** `534e56b95a11` — 2 breaking, 4 info
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable
  - removed `subschema #2: OperationalPointReferenceTrigram` from the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_base_arrival`
  - added the new optional request property `change_groups/path_and_schedule/schedule/items/reference_position`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
  - added `subschema #2: OperationalPointReferenceDomestic` to the `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point` request property `oneOf` list
- **2026-06-02** `eac3722025f5` — 2 breaking, 2 info
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable
- **2026-06-02** `493896ca3a79` — 2 breaking, 2 info
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
- **2026-06-02** `30b1a910e482` — 2 breaking, 2 info
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable
- **2026-06-01** `19436075117f` — 2 breaking, 2 info
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
- **2026-05-29** `5f13ce93d42f` — 1 breaking
  - the `change_groups/start_time/value` request property type/format changed from `string`/`date-time` to `integer`/`int64`
- **2026-05-19** `2af1eaa6f25d` — 1 breaking
  - the `change_groups/start_time/value` request property type/format changed from `integer`/`int64` to `string`/`date-time`
- **2026-05-12** `8e6b47d9f599` — 2 breaking, 2 info
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable
- **2026-05-11** `abd98d1fe2e2` — 3 breaking, 2 info
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable
  - the `change_groups/start_time/value` request property type/format changed from `string`/`date-time` to `integer`/`int64`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
- **2026-05-06** `42b075bbf7a2` — 3 breaking, 2 info
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was narrowed by removing types `null` from media type `application/json`
  - the `change_groups/start_time/value` request property type/format changed from `integer`/`int64` to `string`/`date-time`
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became nullable
- **2026-05-05** `1c296443ffe3` — 2 breaking, 2 info
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` became not nullable
  - the request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` became not nullable
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #2: OperationalPointReferenceTrigram]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `change_groups/path_and_schedule/path/items/location/oneOf[subschema #2: PathItemLocationOperationalPointPartReference]/allOf[#/components/schemas/OperationalPointPartReference]/operational_point/oneOf[subschema #3: OperationalPointReferenceUic]/secondary_code` list-of-types was widened by adding types `null` to media type `application/json`
- **2026-05-04** `79795fda6cad` — 1 breaking
  - the `change_groups/start_time/value` request property type/format changed from `string`/`date-time` to `integer`/`int64`

---

[Operation](https://skmtc.dev/openrailassociation/apis/osrd-editoast/docs/train_schedule_exception/:id/put.md) · [API](https://skmtc.dev/openrailassociation/apis/osrd-editoast.md) · [Page](https://skmtc.dev/openrailassociation/apis/osrd-editoast/changes/train_schedule_exception/:id/put)
