# Get presigned URL for document upload

> POST /api/v1/knowledge-base/upload-url — request parameters and responses from the Menace Voice API schema.

`POST /api/v1/knowledge-base/upload-url`

{/* Generated by scripts/sync_docs_api.mjs. Edit the API schema source to change the contract. */}

See [authentication](/api-reference/authentication) for workspace API access. Public embed and artifact endpoints use their documented session or access tokens.

## API contract for documentation tools

Generated from the OpenAPI schema. Do not infer a different parameter type from an example. Authentication headers are alternatives as explained in the authentication guide.

### Parameters

| Name | Location | Type | Required | Description and constraints |
| --- | --- | --- | --- | --- |
| authorization | header | string or null | no |  |
| X-API-Key | header | string or null | no |  |

### Request body: application/json

Required body. Schema: DocumentUploadRequestSchema (object).

| Field | Type | Required | Description and constraints |
| --- | --- | --- | --- |
| filename | string | yes | Name of the file to upload |
| mime_type | string | yes | MIME type of the file |
| custom_metadata | object or null | no | Optional custom metadata |

### Response 200

Successful Response

application/json: DocumentUploadResponseSchema (object).

| Field | Type | Required | Description and constraints |
| --- | --- | --- | --- |
| upload_url | string | yes | Signed URL for uploading the file |
| document_uuid | string | yes | Unique identifier for the document |
| s3_key | string | yes | S3 key where file should be uploaded |

### Response 404

Not found

### Response 422

Validation Error

application/json: HTTPValidationError (object).

| Field | Type | Required | Description and constraints |
| --- | --- | --- | --- |
| detail | array of ValidationError (object) | no |  |

## OpenAPI

````yaml api-reference/openapi.json post /api/v1/knowledge-base/upload-url
openapi: 3.1.0
info:
  title: Menace Voice API
  description: API for Menace Voice agents
  version: 1.0.0
servers:
  - url: https://voice.menaceui.com
    description: Production
  - url: http://localhost:8000
    description: Local development
paths:
  /api/v1/knowledge-base/upload-url:
    post:
      tags:
        - main
        - knowledge-base
      summary: Get presigned URL for document upload
      description: >-
        Generate a presigned PUT URL for uploading a document.


        This endpoint:

        1. Generates a unique document UUID for organizing the S3 key

        2. Generates a presigned S3/MinIO URL for uploading the file

        3. Returns the upload URL and document metadata


        After uploading to the returned URL, call /process-document to create

        the document record and trigger processing.


        Access Control:

        * All authenticated users can upload documents scoped to their
        organization.
      operationId: get_upload_url_api_v1_knowledge_base_upload_url_post
      parameters:
        - name: authorization
          in: header
          required: false
          schema:
            anyOf:
              - type: string
              - type: "null"
            title: Authorization
        - name: X-API-Key
          in: header
          required: false
          schema:
            anyOf:
              - type: string
              - type: "null"
            title: X-Api-Key
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: "#/components/schemas/DocumentUploadRequestSchema"
      responses:
        "200":
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/DocumentUploadResponseSchema"
        "404":
          description: Not found
        "422":
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: "#/components/schemas/HTTPValidationError"
components:
  schemas:
    DocumentUploadRequestSchema:
      properties:
        filename:
          type: string
          title: Filename
          description: Name of the file to upload
        mime_type:
          type: string
          title: Mime Type
          description: MIME type of the file
        custom_metadata:
          anyOf:
            - additionalProperties: true
              type: object
            - type: "null"
          title: Custom Metadata
          description: Optional custom metadata
      type: object
      required:
        - filename
        - mime_type
      title: DocumentUploadRequestSchema
      description: Request schema for initiating document upload.
    DocumentUploadResponseSchema:
      properties:
        upload_url:
          type: string
          title: Upload Url
          description: Signed URL for uploading the file
        document_uuid:
          type: string
          title: Document Uuid
          description: Unique identifier for the document
        s3_key:
          type: string
          title: S3 Key
          description: S3 key where file should be uploaded
      type: object
      required:
        - upload_url
        - document_uuid
        - s3_key
      title: DocumentUploadResponseSchema
      description: Response schema containing upload URL and document metadata.
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: "#/components/schemas/ValidationError"
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
````