> ## Documentation Index
> Fetch the complete documentation index at: https://ionet-cca8037f-confidential-compute.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Append metadata to a document

> Appends metadata to a document. This endpoint allows adding new metadata fields or updating existing ones.



## OpenAPI

````yaml openapi/rag-documents/update-document-metadata-partial.json patch /api/r2r/v3/documents/{id}/metadata
openapi: 3.1.0
info:
  title: IO Intelligence
  version: '1.0'
servers:
  - url: https://api.intelligence.io.solutions
security:
  - sec0: []
paths:
  /api/r2r/v3/documents/{id}/metadata:
    patch:
      summary: Append metadata to a document
      description: >-
        Appends metadata to a document. This endpoint allows adding new metadata
        fields or updating existing ones.
      operationId: update-document-metadata-partial
      parameters:
        - name: id
          in: path
          description: Document ID (UUID)
          schema:
            type: string
          required: true
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                metadata:
                  type: string
                  description: JSON object with metadata fields to update
                  format: json
      responses:
        '200':
          description: '200'
          content:
            application/json:
              examples:
                Result:
                  value:
                    results:
                      id: 123e4567-e89b-12d3-a456-426614174000
                      collection_ids:
                        - 123e4567-e89b-12d3-a456-426614174000
                      owner_id: 123e4567-e89b-12d3-a456-426614174000
                      document_type: pdf
                      metadata:
                        title: Sample Document
                      version: '1.0'
                      title: Sample Document
                      size_in_bytes: 123456
                      ingestion_status: pending
                      extraction_status: pending
                      created_at: '2021-01-01T00:00:00Z'
                      updated_at: '2021-01-01T00:00:00Z'
                      ingestion_attempt_number: 0
                      summary: A summary of the document
                      summary_embedding:
                        - 0.1
                        - 0.2
                        - 0.3
                      total_tokens: 1000
                      chunks:
                        - key: value
              schema:
                type: object
                properties:
                  results:
                    type: object
                    properties:
                      id:
                        type: string
                        example: 123e4567-e89b-12d3-a456-426614174000
                      collection_ids:
                        type: array
                        items:
                          type: string
                          example: 123e4567-e89b-12d3-a456-426614174000
                      owner_id:
                        type: string
                        example: 123e4567-e89b-12d3-a456-426614174000
                      document_type:
                        type: string
                        example: pdf
                      metadata:
                        type: object
                        properties:
                          title:
                            type: string
                            example: Sample Document
                      version:
                        type: string
                        example: '1.0'
                      title:
                        type: string
                        example: Sample Document
                      size_in_bytes:
                        type: integer
                        example: 123456
                        default: 0
                      ingestion_status:
                        type: string
                        example: pending
                      extraction_status:
                        type: string
                        example: pending
                      created_at:
                        type: string
                        example: '2021-01-01T00:00:00Z'
                      updated_at:
                        type: string
                        example: '2021-01-01T00:00:00Z'
                      ingestion_attempt_number:
                        type: integer
                        example: 0
                        default: 0
                      summary:
                        type: string
                        example: A summary of the document
                      summary_embedding:
                        type: array
                        items:
                          type: number
                          example: 0.1
                          default: 0
                      total_tokens:
                        type: integer
                        example: 1000
                        default: 0
                      chunks:
                        type: array
                        items:
                          type: object
                          properties:
                            key:
                              type: string
                              example: value
        '404':
          description: '404'
          content:
            application/json:
              examples:
                Result:
                  value: {}
              schema:
                type: object
                properties: {}
        '422':
          description: '422'
          content:
            text/plain:
              examples:
                Result:
                  value:
                    detail:
                      - loc:
                          - string
                          - 0
                        msg: string
                        type: string
              schema:
                type: object
                properties:
                  detail:
                    type: array
                    items:
                      type: object
                      properties:
                        loc:
                          type: array
                        msg:
                          type: string
                          example: string
                        type:
                          type: string
                          example: string
      deprecated: false
components:
  securitySchemes:
    sec0:
      type: oauth2
      flows: {}

````