Sylvia API

Sylvia API Live API

The Live API from Sylvia API — 1 operation(s) for live.

Documentation GitHub OpenAPI

Operations 3

GET /live/comments Live comment stream #

GET /reddit/r/{subreddit}/comments/live Subreddit live comment stream #

GET /reddit/comments/live Global live comment firehose #

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OpenAPI Specification

openapi: 3.2.0
info:
  title: Sylvia Live API
  contact:
    name: Sylvia API
    url: https://sylvia-api.com
    email: support@sylvia-api.com
  license:
    name: Proprietary
    url: https://sylvia-api.com/terms
  x-refined-note:
  - x-agentic-access differs across the merged source definitions and was not carried
  version: '1.0'
  description: 'Operations tagged Live across 3 of this provider''s published API definitions: sylvia-api-openapi-2026-08-04.json, sylvia-api-openapi-2026-08-18.json, sylvia-api-openapi-2026-08-20.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://api.sylvia-api.com/v1
  description: Production API server
security:
- ApiKeyAuth: []
tags:
- name: Live
paths:
  /live/comments:
    get:
      summary: Live comment stream
      description: Server-Sent Events (SSE) stream of real-time Reddit comments. Filter by subreddit or globally.
      operationId: getLiveComments
      parameters:
      - name: subreddit
        in: query
        description: Limit to specific subreddit (omit for global firehose)
        schema:
          type: string
      responses:
        '200':
          description: SSE stream of Comment objects
          content:
            text/event-stream:
              schema:
                $ref: '#/components/schemas/Comment'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
      tags:
      - Live
    servers:
    - url: https://api.sylvia-api.com/v1
      description: Production API server
  /reddit/r/{subreddit}/comments/live:
    get:
      summary: Subreddit live comment stream
      description: Real-time comment stream for a subreddit. Billed at the Live Stream tier.
      operationId: getSubredditLiveComments
      parameters:
      - name: subreddit
        in: path
        required: true
        schema:
          type: string
      - name: limit
        in: query
        description: Items per page (1-100, default 25)
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 25
        example: 25
      - name: after
        in: query
        description: Pagination token from previous response
        schema:
          type: string
      - name: format
        in: query
        description: Response format. 'reddit' (default) is raw JSON. 'markdown' is available on all tiers; 'minimal' and 'csv' require Strela; 'ndjson' requires Svetka; 'custom(name)' applies a saved template.
        schema:
          type: string
          enum:
          - reddit
          - minimal
          - ndjson
          - csv
          - markdown
          default: reddit
      responses:
        '200':
          description: Live comment stream
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericResponse'
              example:
                success: true
                data:
                  comments:
                  - id: 1abc
                    body: Example comment
                    subreddit: all
                request_id: 00000000-0000-0000-0000-000000000000
          headers:
            X-RateLimit-Tier:
              $ref: '#/components/headers/X-RateLimit-Tier'
            X-RateLimit-Limit:
              $ref: '#/components/headers/X-RateLimit-Limit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/X-RateLimit-Remaining'
            X-RateLimit-Reset:
              $ref: '#/components/headers/X-RateLimit-Reset'
            Retry-After:
              $ref: '#/components/headers/Retry-After'
        '401':
          $ref: '#/components/responses/Unauthorized_2'
        '429':
          $ref: '#/components/responses/RateLimited'
      tags:
      - Live
      callbacks:
        onComment:
          '{$request.body#/callbackUrl}':
            post:
              summary: Live comment stream event (typed event surface)
              description: 'When polling /comments/live or /r/{subreddit}/comments/live, each new comment is returned in the data.comments array with a stable shape: id, body, author, subreddit, created_utc, permalink, score.'
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/Comment_2'
                    example:
                      id: 1abc
                      body: Example comment
                      author: user
                      subreddit: all
                      created_utc: 1754132400
                      score: 5
              responses:
                '200':
                  description: Acknowledged
    servers:
    - url: https://api.sylvia-api.com/v1
      description: Production API server
  /reddit/comments/live:
    get:
      summary: Global live comment firehose
      description: Real-time comment stream from across all of Reddit. Billed at the Live Stream tier.
      operationId: getGlobalLiveComments
      parameters:
      - name: limit
        in: query
        description: Items per page (1-100, default 25)
        schema:
          type: integer
          minimum: 1
          maximum: 100
          default: 25
        example: 25
      - name: after
        in: query
        description: Pagination token from previous response
        schema:
          type: string
      - name: format
        in: query
        description: Response format. 'reddit' (default) is raw JSON. 'markdown' is available on all tiers; 'minimal' and 'csv' require Strela; 'ndjson' requires Svetka; 'custom(name)' applies a saved template.
        schema:
          type: string
          enum:
          - reddit
          - minimal
          - ndjson
          - csv
          - markdown
          default: reddit
      responses:
        '200':
          description: Live comment stream
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericResponse'
              example:
                success: true
                data:
                  comments:
                  - id: 1abc
                    body: Example comment
                    subreddit: all
                request_id: 00000000-0000-0000-0000-000000000000
          headers:
            X-RateLimit-Tier:
              $ref: '#/components/headers/X-RateLimit-Tier'
            X-RateLimit-Limit:
              $ref: '#/components/headers/X-RateLimit-Limit'
            X-RateLimit-Remaining:
              $ref: '#/components/headers/X-RateLimit-Remaining'
            X-RateLimit-Reset:
              $ref: '#/components/headers/X-RateLimit-Reset'
            Retry-After:
              $ref: '#/components/headers/Retry-After'
        '401':
          $ref: '#/components/responses/Unauthorized_2'
        '403':
          $ref: '#/components/responses/Forbidden'
        '429':
          $ref: '#/components/responses/RateLimited'
      tags:
      - Live
      callbacks:
        onComment:
          '{$request.body#/callbackUrl}':
            post:
              summary: Live comment stream event (typed event surface)
              description: 'When polling /comments/live or /r/{subreddit}/comments/live, each new comment is returned in the data.comments array with a stable shape: id, body, author, subreddit, created_utc, permalink, score.'
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/Comment_2'
                    example:
                      id: 1abc
                      body: Example comment
                      author: user
                      subreddit: all
                      created_utc: 1754132400
                      score: 5
              responses:
                '200':
                  description: Acknowledged
    servers:
    - url: https://api.sylvia-api.com/v1
      description: Production API server
components:
  schemas:
    ErrorResponse:
      type: object
      properties:
        error:
          type: string
        message:
          type: string
        code:
          type: integer
    Comment:
      type: object
      properties:
        id:
          type: string
        body:
          type: string
        author:
          type: string
        subreddit:
          type: string
        score:
          type: integer
        created_utc:
          type: integer
          format: int64
        permalink:
          type: string
        parent_id:
          type: string
        link_id:
          type: string
        is_submitter:
          type: boolean
        gilded:
          type: integer
        depth:
          type: integer
        collapsed:
          type: boolean
    ErrorResponse_2:
      type: object
      properties:
        success:
          type: boolean
        error:
          type: string
        message:
          type: string
        status:
          type: integer
        code:
          type: string
        request_id:
          type: string
    Comment_2:
      type: object
      properties:
        id:
          type: string
        body:
          type: string
        author:
          type: string
        subreddit:
          type: string
        score:
          type: integer
        created_utc:
          type: integer
          format: int64
        permalink:
          type: string
        parent_id:
          type: string
        link_id:
          type: string
        submission_id:
          type: string
        depth:
          type: integer
    Envelope:
      type: object
      properties:
        success:
          type: boolean
        message:
          type:
          - string
          - 'null'
        error:
          type:
          - string
          - 'null'
        request_id:
          type: string
    GenericResponse:
      allOf:
      - $ref: '#/components/schemas/Envelope'
      - type: object
        properties:
          data:
            type: object
    ErrorResponse_3:
      type: object
      properties:
        success:
          type: boolean
        error:
          type: string
        message:
          type: string
        status:
          type: integer
        code:
          type: string
          enum:
          - BAD_REQUEST
          - UNAUTHORIZED
          - FORBIDDEN
          - NOT_FOUND
          - LOW_BALANCE
          - RATE_LIMITED
          - FEATURE_LOCKED
          - TIER_EXPIRED
          - REQUEST_FAILED
        request_id:
          type: string
    Comment_3:
      type: object
      properties:
        id:
          type: string
        body:
          type: string
        author:
          type: string
        subreddit:
          type: string
        score:
          type: integer
        created_utc:
          type: integer
          format: int64
        permalink:
          type: string
        parent_id:
          type: string
        link_id:
          type: string
        submission_id:
          type: string
        depth:
          type: integer
  responses:
    RateLimited:
      description: Rate limit exceeded
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Unauthorized:
      description: Invalid or missing API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse'
    Forbidden:
      description: Forbidden — insufficient access or credits
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse_2'
    Unauthorized_2:
      description: Missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse_2'
    Forbidden_2:
      description: Forbidden — insufficient access or credits
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse_3'
    Unauthorized_3:
      description: Missing or invalid API key
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/ErrorResponse_3'
  headers:
    X-RateLimit-Tier:
      description: 'Rate limit tier: free | strela | svetka | enterprise.'
      schema:
        type: string
    Retry-After:
      description: Seconds until retry is allowed, present on 429.
      schema:
        type: integer
    X-RateLimit-Reset:
      description: Epoch milliseconds when the window resets.
      schema:
        type: integer
    X-RateLimit-Remaining:
      description: Remaining requests in the current window.
      schema:
        type: integer
    X-RateLimit-Limit:
      description: Requests per second for the tier.
      schema:
        type: integer
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: API key for authentication. Get yours at https://sylvia-api.com
    AccountTokenAuth:
      type: apiKey
      in: header
      name: x-sylvia-auth
      description: Account token (SV_...) for account management endpoints. Sign in at https://sylvia-api.com to get yours.
x-refined-from:
- sylvia-api-openapi-2026-08-04.json
- sylvia-api-openapi-2026-08-18.json
- sylvia-api-openapi-2026-08-20.json