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OpenAPI Specification

openapi: 3.2.0
info:
  title: Gather HTTP Guestlist API
  version: '2.0'
  description: The Gather HTTP API lets you read and write the map/room data of a Gather space and manage its email guestlist programmatically, enabling dynamically and programmatically generated maps.
  x-provenance:
    generated: '2026-07-19'
    method: derived
    source:
    - https://gathertown.notion.site/Gather-HTTP-API-3bbf6c59325f40aca7ef5ce14c677444
    - https://github.com/gathertown/api-examples
  contact:
    name: Gather Support
    url: https://support.gather.town/
servers:
- url: https://api.gather.town
  description: Gather HTTP API
security:
- apiKey: []
tags:
- name: Guestlist
  description: Manage the email guestlist (members/guests) of a space
paths:
  /api/getEmailGuestlist:
    get:
      operationId: getEmailGuestlist
      summary: Get email guestlist
      description: Retrieve the email guestlist for a space — a JSON object keyed by email address, each value carrying optional name, affiliation, and role.
      tags:
      - Guestlist
      parameters:
      - $ref: '#/components/parameters/SpaceIdQuery'
      responses:
        '200':
          description: The guestlist object.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Guestlist'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
  /api/setEmailGuestlist:
    post:
      operationId: setEmailGuestlist
      summary: Set email guestlist
      description: Set or update the email guestlist for a space. When overwrite is false the supplied entries are merged/appended; when true the guestlist is replaced.
      tags:
      - Guestlist
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                spaceId:
                  type: string
                guestlist:
                  $ref: '#/components/schemas/Guestlist'
                overwrite:
                  type: boolean
                  description: Replace the guestlist instead of merging.
              required:
              - spaceId
              - guestlist
      responses:
        '200':
          description: Guestlist updated.
        '400':
          $ref: '#/components/responses/BadRequest'
        '403':
          $ref: '#/components/responses/Forbidden'
        '404':
          $ref: '#/components/responses/NotFound'
components:
  responses:
    Forbidden:
      description: The API key lacks permission on the target space.
    BadRequest:
      description: Malformed request (invalid body or parameters).
    NotFound:
      description: The referenced space or map was not found.
  schemas:
    Guestlist:
      type: object
      description: Object keyed by email address; each value is an object with optional name, affiliation, and role string fields.
      additionalProperties:
        type: object
        properties:
          name:
            type: string
          affiliation:
            type: string
          role:
            type: string
  parameters:
    SpaceIdQuery:
      name: spaceId
      in: query
      required: true
      schema:
        type: string
      description: The space identifier.
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: apiKey
      description: API key generated at https://gather.town/apiKeys, sent in the apiKey request header. The associated user must have Admin or Builder permission on the target space.