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

# Backfill normalized submission relations

> Recomputes and persists the normalized `relations` array for existing submissions. Optionally scope to one form.



## OpenAPI

````yaml /api-reference/ai-cms/openapi.json post /forms/submissions/relations/backfill
openapi: 3.1.0
info:
  title: Blog API
  version: 1.0.0
servers:
  - url: https://api.octaviatech.app/cms
    description: Production
security:
  - ApiKeyAuth: []
tags:
  - name: Tags
    description: Tag management endpoints
paths:
  /forms/submissions/relations/backfill:
    post:
      tags:
        - Form Submissions
      summary: Backfill normalized submission relations
      description: >-
        Recomputes and persists the normalized `relations` array for existing
        submissions. Optionally scope to one form.
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                formId:
                  type: string
                  pattern: ^[a-fA-F0-9]{24}$
      responses:
        '200':
          description: Backfill completed
      security:
        - ApiKeyAuth: []
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````