Reddit Embeds (oEmbed)

openapi: 3.1.0
info:
  title: Reddit Embeds
  description: >-
    Reddit Embeds allows developers and content creators to embed Reddit
    posts and comments directly into external websites and applications.
    This service provides oEmbed endpoints that return embed codes and
    metadata for rendering Reddit content in a visually consistent format
    outside of the Reddit platform. It follows the oEmbed specification
    for content discovery and embedding.
  version: '1.0'
  contact:
    name: Reddit Developer Support
    url: https://support.reddithelp.com/hc/en-us/articles/14945211791892-Developer-Platform-Accessing-Reddit-Data
externalDocs:
  description: oEmbed Specification
  url: https://oembed.com/
servers:
  - url: https://www.reddit.com
    description: Reddit oEmbed Server
tags:
  - name: oEmbed
    description: >-
      Endpoints implementing the oEmbed protocol for embedding Reddit
      content in external websites and applications.
paths:
  /oembed:
    get:
      operationId: getOembed
      summary: Get Oembed Data for a Reddit Url
      description: >-
        Returns oEmbed-formatted embed data for a given Reddit URL. This
        endpoint follows the oEmbed specification and returns HTML embed
        code along with metadata about the content. Supports both JSON
        and XML response formats. The returned HTML can be used to embed
        Reddit posts and comments into external pages.
      tags:
        - oEmbed
      parameters:
        - name: url
          in: query
          required: true
          description: >-
            The URL of the Reddit content to embed. Must be a valid Reddit
            post or comment permalink URL.
          schema:
            type: string
            format: uri
        - name: format
          in: query
          description: >-
            The response format. Defaults to JSON.
          schema:
            type: string
            enum:
              - json
              - xml
            default: json
        - name: maxwidth
          in: query
          description: >-
            The maximum width of the embed in pixels. The embed will be
            scaled to fit within this width.
          schema:
            type: integer
            minimum: 1
        - name: maxheight
          in: query
          description: >-
            The maximum height of the embed in pixels.
          schema:
            type: integer
            minimum: 1
        - name: parent
          in: query
          description: >-
            The parent origin domain for the embed iframe. Required for
            proper cross-origin embed functionality.
          schema:
            type: string
      responses:
        '200':
          description: oEmbed response with embed data
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/OEmbedResponse'
            text/xml:
              schema:
                $ref: '#/components/schemas/OEmbedResponse'
        '400':
          description: Invalid URL or parameters
        '404':
          description: Content not found or not embeddable
        '501':
          description: URL not supported for embedding
components:
  schemas:
    OEmbedResponse:
      type: object
      description: >-
        An oEmbed response containing embed HTML and metadata, conforming
        to the oEmbed specification.
      required:
        - type
        - version
      properties:
        type:
          type: string
          description: >-
            The oEmbed resource type. Reddit embeds are always of type
            rich, providing HTML for rendering.
          enum:
            - rich
        version:
          type: string
          description: >-
            The oEmbed version number.
          enum:
            - '1.0'
        title:
          type: string
          description: >-
            The title of the Reddit post or comment being embedded.
        author_name:
          type: string
          description: >-
            The Reddit username of the content author.
        author_url:
          type: string
          format: uri
          description: >-
            The URL of the author's Reddit profile.
        provider_name:
          type: string
          description: >-
            The name of the content provider, always Reddit.
          enum:
            - reddit
        provider_url:
          type: string
          format: uri
          description: >-
            The URL of the content provider.
          enum:
            - https://www.reddit.com/
        html:
          type: string
          description: >-
            The HTML code for the embed. Contains an iframe or script
            tag that renders the Reddit content.
        width:
          type: integer
          description: >-
            The width of the embed in pixels.
        height:
          type: integer
          description: >-
            The height of the embed in pixels.
        thumbnail_url:
          type: string
          format: uri
          description: >-
            The URL of a thumbnail image for the content, if available.
        thumbnail_width:
          type: integer
          description: >-
            The width of the thumbnail image in pixels.
        thumbnail_height:
          type: integer
          description: >-
            The height of the thumbnail image in pixels.
        cache_age:
          type: integer
          description: >-
            The suggested cache lifetime for the embed data in seconds.