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

# Get document upload URL

> Get a presigned URL to upload a document file. After uploading, use the storageId to create the document record.



## OpenAPI

````yaml /openapi.json post /v1/documents/upload-url
openapi: 3.0.3
info:
  title: Zavu Unified Messaging Layer API
  version: 0.2.0
  description: >
    Unified multi-channel messaging API for Zavu.


    Supported channels:

    - **SMS**: Simple text messages

    - **WhatsApp**: Rich messaging with media, buttons, lists, CTA URL buttons,
    and templates

    - **Telegram**: Bot messaging with text, media, and interactive elements

    - **Email**: Transactional emails via Amazon SES


    Design goals:

    - Simple `send()` entrypoint for developers

    - Project-level authentication via Bearer token

    - Support for all WhatsApp message types (text, image, video, audio,
    document, sticker, location, contact, buttons, list, cta_url, reaction,
    template)

    - If a non-text message type is sent, WhatsApp channel is used automatically

    - 24-hour WhatsApp conversation window enforcement

    - Universal `to` field accepts phone numbers (E.164), email addresses, or
    numeric chat IDs (Telegram/Instagram)
servers:
  - url: https://api.zavu.dev
security:
  - bearerAuth: []
paths:
  /v1/documents/upload-url:
    post:
      tags:
        - Regulatory
      summary: Get document upload URL
      description: >-
        Get a presigned URL to upload a document file. After uploading, use the
        storageId to create the document record.
      operationId: getRegulatoryDocumentUploadUrl
      responses:
        '200':
          description: Upload URL generated.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UploadUrlResponse'
        '401':
          description: Unauthorized.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - bearerAuth: []
components:
  schemas:
    UploadUrlResponse:
      type: object
      required:
        - uploadUrl
      properties:
        uploadUrl:
          type: string
          format: uri
          description: Pre-signed URL for uploading the file.
    Error:
      type: object
      required:
        - code
        - message
      properties:
        code:
          type: string
          example: invalid_request
        message:
          type: string
          example: Phone number is invalid
        details:
          type: object
          additionalProperties: true
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT

````