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

# Create Campaign

> Creates an Instagram hashtag campaign, or changes one when campaign_id is given (then send only the fields to change). People join with the join link in the answer, and the campaign's widgets show their posts with the hashtag.



## OpenAPI

````yaml https://snapwidget.com/api/v1/openapi.json post /campaigns
openapi: 3.1.0
info:
  title: SnapWidget API
  version: '1'
  description: >-
    Make and change social feed and review widgets, connect social accounts and
    get the embed code. The MCP server at https://snapwidget.com/mcp has the
    same actions for AI agents.
  termsOfService: https://snapwidget.com/terms
  contact:
    name: SnapWidget
    email: support@snapwidget.com
    url: https://snapwidget.com/docs/api-reference/introduction
servers:
  - url: https://snapwidget.com/api/v1
security:
  - token: []
tags:
  - name: Sign-up
  - name: Account
  - name: Social accounts
  - name: Widgets
  - name: Reviews
  - name: Campaigns
paths:
  /campaigns:
    post:
      tags:
        - Campaigns
      summary: Create Campaign
      description: >-
        Creates an Instagram hashtag campaign, or changes one when campaign_id
        is given (then send only the fields to change). People join with the
        join link in the answer, and the campaign's widgets show their posts
        with the hashtag.
      operationId: create_campaign
      requestBody:
        required: false
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  description: >-
                    The campaign name, unique among the user's campaigns (a new
                    campaign needs it).
                  type: string
                description:
                  description: A short text for the join page (a new campaign needs it).
                  type: string
                hashtag:
                  description: 'The hashtag of the posts to show, without #.'
                  type: string
                campaign_signup_title:
                  description: The title of the join page.
                  type: string
                campaign_signup_description:
                  description: The text of the join page.
                  type: string
                campaign_signup_image_url:
                  description: A link to the image of the join page.
                  type: string
                campaign_signup_color:
                  description: 'The color of the join page, for example #1f6feb.'
                  type: string
      responses:
        '201':
          description: The answer, as JSON.
          content:
            application/json:
              schema:
                type: object
        '401':
          $ref: '#/components/responses/Unauthorized'
        '403':
          $ref: '#/components/responses/Forbidden'
        '422':
          $ref: '#/components/responses/Invalid'
        '429':
          $ref: '#/components/responses/TooManyRequests'
components:
  responses:
    Unauthorized:
      description: No token, or the token is wrong, expired or revoked.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Forbidden:
      description: >-
        The token or the plan has no API access, or the plan does not allow the
        change.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    Invalid:
      description: An input is not valid.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    TooManyRequests:
      description: Too many calls. The Retry-After header gives the seconds to wait.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    Error:
      type: object
      properties:
        message:
          type: string
          description: What went wrong.
        errors:
          type: object
          description: The messages per input, when an input is not valid.
          additionalProperties:
            type: array
            items:
              type: string
        upgrade_url:
          type: string
          description: The upgrade page, when the plan does not allow it.
      required:
        - message
  securitySchemes:
    token:
      type: http
      scheme: bearer
      description: 'A token from the API page: https://snapwidget.com/settings/api'

````

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