---
title: "Changes to Upload an instance import chunk"
method: PUT
path: "/cloud/import/sessions/{sessionId}/chunks/{index}"
---

# Changes to Upload an instance import chunk

`PUT /cloud/import/sessions/{sessionId}/chunks/{index}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-10-19** `a6e1ec0dec82`: 2 breaking, 9 info

## Changes

- **2026-10-19** `a6e1ec0dec82`: 2 breaking, 9 info
  - removed `subschema #1, subschema #2` from the request body `oneOf` list
  - removed the media type `application/json` for the response with the status `409`
  - added `subschema #1, subschema #2` to the request body `oneOf` list
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `400`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `401`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `404`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `413`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `419`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `423`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `429`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `500`

---

[Operation](https://skmtc.dev/bisibility/apis/bisibility-public-api/docs/cloud/import/sessions/:sessionId/chunks/:index/put.md) · [API](https://skmtc.dev/bisibility/apis/bisibility-public-api.md) · [Page](https://skmtc.dev/bisibility/apis/bisibility-public-api/changes/cloud/import/sessions/:sessionId/chunks/:index/put)