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

# migrate blob manifests from 3.x to 4.x format



## OpenAPI

````yaml /api-reference/4.2/service-blobs.json put /blobs/convert
openapi: 3.0.0
info:
  version: 4.2.6-rc1
  title: Fusion Service blobs
servers:
  - url: /api/apollo/
security: []
tags:
  - name: blobs
paths:
  /blobs/convert:
    put:
      tags:
        - 4.2 Blobs API
      summary: migrate blob manifests from 3.x to 4.x format
      operationId: migrateBlobManifests
      responses:
        default:
          description: successful operation
      deprecated: true

````