Fetch Post Comment Tree & Replies

GET/v1/posts/comments

Query Parameters

post_idstringrequired
sortstring
limitinteger (1 to 200)
cursorstring

Example Request (cURL / Python / JavaScript)

curl "https://api.redditdataapi.io/v1/posts/comments?post_id=" \
  -H "x-api-key: rd_live_your_api_key"

Live Response Preview

{
  "code": 0,
  "provider": "https://redditdataapi.io",
  "status": "ok",
  "msg": "success",
  "data": {
    "post_id": "t3_1xmjld9",
    "items": [
      {
        "id": "m8kq21a",
        "comment_id": "t1_m8kq21a",
        "post_id": "t3_1xmjld9",
        "subreddit": "saas",
        "parent_id": "t3_1xmjld9",
        "author": "devtools_builder",
        "body": "What polling interval do you use for keyword search? We switched from PRAW to RedditDataAPI.io and cut latency to 180ms.",
        "score": 49,
        "depth": 0,
        "is_submitter": false,
        "is_stickied": false,
        "created_utc": 1762287600,
        "created_at": "2026-11-04T20:20:00.000Z",
        "permalink": "https://www.reddit.com/r/saas/comments/1xmjld9/how_we_scaled_our_b2b_saas/m8kq21a/"
      }
    ],
    "count": 1,
    "next_cursor": null,
    "cursor": null,
    "has_more": false,
    "hasMore": false
  },
  "meta": {
    "request_id": "d81a2f10-81e3-4c22-9118-092f1a8b3344",
    "endpoint": "/v1/posts/comments",
    "credits_used": 2,
    "credits_remaining": 249996,
    "cache_hit": false,
    "data_age_seconds": 0,
    "latency_ms": 210
  }
}

Response Fields

Comment tree nodes with depth & parent_id (1 Credit per comment returned)

Field	Type	Sample / Notes
`code`	integer	0 on success
`status`	string	Response status
`data`	object	Flattened comment tree with depth and parent_id
`post_id`	string	Target Reddit post ID
`items`	array of RedditComment	Array of normalized comments
`id`	string	Example: m7k9x2a
`comment_id`	string	Example: t1_m7k9x2a
`post_id`	string	Example: t3_1xmjld9
`subreddit`	string	Example: SaaS
`parent_id`	string	Example: t3_1xmjld9
`author`	string	Example: infra_lead
`body`	string	Example: Moving off official Reddit OAuth saved us from constant 429
`score`	integer	Example: 64
`depth`	integer	Example: 0
`is_submitter`	boolean	Example: false
`is_stickied`	boolean	Example: false
`created_utc`	integer	Example: 1762255800
`created_at`	string	Example: 2026-11-04T11:30:00.000Z
`permalink`	string	Example: https://www.reddit.com/r/SaaS/comments/1xmjld9/_/m7k9x2a/
`count`	integer	Number of comments returned
`next_cursor`	string	Offset cursor for next comment batch
`has_more`	boolean	Whether more comments remain
`meta`	ResponseMeta
`request_id`	string	UUID v4 request identifier
`endpoint`	string	Canonical /v1/* endpoint path
`credits_used`	integer	Credits deducted for this call (0 on error or empty)
`credits_remaining`	integer	Remaining credit balance on account
`cache_hit`	boolean	Whether served from L1 Redis cache
`data_age_seconds`	integer	Age of cached payload in seconds
`latency_ms`	integer	End-to-end gateway latency in milliseconds

Status Codes

200: Comment tree nodes with depth & parent_id (1 Credit per comment returned)