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

# Uploads create

> Reserve a media upload and return a single-file upload ticket

CLI: `adside assets uploads create`



## OpenAPI

````yaml /api-reference/openapi.yaml post /v1/workspaces/{workspaceId}/assets/uploads
openapi: 3.1.0
info:
  title: Adside API
  version: 1.0.0
  description: >-
    Campaigns, creatives, assets and reporting across your ad accounts. Call it
    with a personal API key as a bearer token, or with the `adside` CLI: each
    page names its command.
servers:
  - url: https://api.adside.ai
    description: Production
security:
  - userAccess: []
tags:
  - name: Account
  - name: Reporting
  - name: Meta
  - name: Google Ads
  - name: LinkedIn
  - name: TikTok
  - name: Reddit
  - name: Snapchat
  - name: X
  - name: Google Tag Manager
  - name: Creatives
  - name: Creative styles
  - name: Media
  - name: Characters
  - name: Assets
  - name: Brands
  - name: Brain
  - name: Research
  - name: Boards
  - name: Artifacts
  - name: Audiences
  - name: Ad comments
  - name: Publications
  - name: Routines
  - name: Skills
  - name: To-dos
  - name: Audit
  - name: Credits
paths:
  /v1/workspaces/{workspaceId}/assets/uploads:
    post:
      tags:
        - Assets
      summary: Uploads create
      description: |-
        Reserve a media upload and return a single-file upload ticket

        CLI: `adside assets uploads create`
      operationId: assets.uploads.create
      parameters:
        - name: workspaceId
          in: path
          required: true
          schema:
            type: string
            minLength: 1
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $schema: https://json-schema.org/draft/2020-12/schema
              type: object
              properties:
                filename:
                  type: string
                  minLength: 1
                  maxLength: 255
                contentType:
                  type: string
                  minLength: 1
                sizeBytes:
                  type: integer
                  exclusiveMinimum: 0
                  maximum: 9007199254740991
                purpose:
                  default: library
                  type: string
                  enum:
                    - library
                    - attachment
              required:
                - filename
                - contentType
                - sizeBytes
              additionalProperties: false
      responses:
        '201':
          description: Success
          content:
            application/json:
              schema:
                $schema: https://json-schema.org/draft/2020-12/schema
                type: object
                properties:
                  assetId:
                    type: string
                  uploadUrl:
                    type: string
                    format: uri
                  method:
                    type: string
                    const: PUT
                  headers:
                    type: object
                    propertyNames:
                      type: string
                    additionalProperties:
                      type: string
                  expiresAt:
                    type: string
                    format: date-time
                    pattern: >-
                      ^(?:(?:\d\d[2468][048]|\d\d[13579][26]|\d\d0[48]|[02468][048]00|[13579][26]00)-02-29|\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\d|30)|(?:02)-(?:0[1-9]|1\d|2[0-8])))T(?:(?:[01]\d|2[0-3]):[0-5]\d(?::[0-5]\d(?:\.\d+)?)?(?:Z))$
                required:
                  - assetId
                  - uploadUrl
                  - method
                  - headers
                  - expiresAt
                additionalProperties: false
      security:
        - userAccess: []
components:
  securitySchemes:
    userAccess:
      type: http
      scheme: bearer
      description: >-
        A personal API key (`adside_pat_…`) or a token from `adside login`.
        Either carries the permissions of the person it belongs to.

````

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