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

# Set or change thumbnail for a YouTube video



## OpenAPI

````yaml https://api.bundle.social/swagger-json post /api/v1/misc/youtube/thumbnail
openapi: 3.0.2
info:
  title: bundle.social API
  description: >-
    REST API for social media management. Perfect for AI assistants, GPTs,
    automation tools, and integrations. Post to 14+ platforms including Twitter,
    Instagram, Facebook, LinkedIn, TikTok, Pinterest, Reddit, Discord, Slack,
    YouTube, Mastodon, Bluesky, Threads, and Google Business. Schedule posts,
    manage content, analyze performance, and automate your social media workflow
    across all platforms.
  version: 1.0.0
  contact:
    email: contact@bundle.social
  termsOfService: https://bundle.social/terms
servers:
  - url: https://api.bundle.social
  - url: http://localhost:3001
security:
  - ApiKeyAuth: []
tags:
  - name: app
  - name: organization
  - name: team
  - name: socialAccount
  - name: upload
  - name: post
  - name: postImport
  - name: analytics
  - name: comment
  - name: misc
  - name: postCSV
paths:
  /api/v1/misc/youtube/thumbnail:
    post:
      tags:
        - misc
      summary: Set or change thumbnail for a YouTube video
      operationId: misc.youtube.setThumbnail
      parameters: []
      requestBody:
        description: Body
        content:
          application/json:
            schema:
              type: object
              properties:
                teamId:
                  type: string
                url:
                  type: string
                postId:
                  type: string
              required:
                - teamId
                - url
                - postId
      responses:
        '200':
          description: '200'
          content:
            application/json:
              schema:
                type: object
                properties:
                  items:
                    default: []
                    type: array
                    items:
                      type: object
                      properties:
                        default:
                          type: object
                          properties:
                            url:
                              type: string
                              format: uri
                            width:
                              type: integer
                            height:
                              type: integer
                          required:
                            - url
                        medium:
                          type: object
                          properties:
                            url:
                              type: string
                              format: uri
                            width:
                              type: integer
                            height:
                              type: integer
                          required:
                            - url
                        high:
                          type: object
                          properties:
                            url:
                              type: string
                              format: uri
                            width:
                              type: integer
                            height:
                              type: integer
                          required:
                            - url
                        standard:
                          type: object
                          properties:
                            url:
                              type: string
                              format: uri
                            width:
                              type: integer
                            height:
                              type: integer
                          required:
                            - url
                        maxres:
                          type: object
                          properties:
                            url:
                              type: string
                              format: uri
                            width:
                              type: integer
                            height:
                              type: integer
                          required:
                            - url
        '400':
          description: '400'
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    nullable: true
                  message:
                    type: string
                  issues:
                    type: array
                    items:
                      type: object
                      properties:
                        code:
                          type: string
                          enum:
                            - invalid_type
                            - invalid_literal
                            - custom
                            - invalid_union
                            - invalid_union_discriminator
                            - invalid_enum_value
                            - unrecognized_keys
                            - invalid_arguments
                            - invalid_return_type
                            - invalid_date
                            - invalid_string
                            - too_small
                            - too_big
                            - invalid_intersection_types
                            - not_multiple_of
                            - not_finite
                          nullable: true
                        message:
                          type: string
                        path:
                          type: array
                          items:
                            oneOf:
                              - type: string
                              - type: number
                          nullable: true
                      required:
                        - message
                    nullable: true
                required:
                  - message
        '401':
          description: '401'
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    nullable: true
                  message:
                    type: string
                required:
                  - message
        '403':
          description: '403'
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    nullable: true
                  message:
                    type: string
                required:
                  - message
        '404':
          description: '404'
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    nullable: true
                  message:
                    type: string
                required:
                  - message
        '429':
          description: '429'
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    nullable: true
                  message:
                    type: string
                required:
                  - message
        '500':
          description: '500'
          content:
            application/json:
              schema:
                type: object
                properties:
                  statusCode:
                    type: number
                    nullable: true
                  message:
                    type: string
                required:
                  - message
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      name: x-api-key
      in: header

````