# Reduck, free: LinkedIn post comment API

> Get the comments of a LinkedIn post by permalink, loading up to maxComments top-level threads. Returns total and comments (urn, name, headline, profileUrl, postedAgo, text, reactions, nested replies, hasMoreReplies). The default 'relevant' sort hides low-engagement comments - use 'recent' to reach every comment, older replies behind 'See previous replies' stay unloaded (flagged by hasMoreReplies).

Reduck's Starter plan for the LinkedIn post comment API costs $0.00 per 1,000 comments. We check each provider's docs for 2 fields. Reduck's docs list both: Comment and Commenter.
We haven't run Reduck through [our LinkedIn post comment API benchmark](https://datacircle.dev/best-linkedin-post-comment-api.txt) yet.
This plan is free. We rank 162 plans for LinkedIn post comment APIs by price. Half the plans cost $0.49 or less per 1,000 comments. [68 LinkedIn post comment API plans on our price sheet are free.](https://datacircle.dev/best-linkedin-post-comment-api.txt) [Fetchin](https://datacircle.dev/linkedin-post-comment-apis/fetchin/free-free-get-api-v1-post-comments/llms.txt) has a free plan with 1,000 pages of comments in total. Fetchin is the best LinkedIn post comment API in our benchmark.
[EveryInfra's $500 pack](https://datacircle.dev/linkedin-post-comment-apis/everyinfra/500-pack-monthly-top-up-discount-10-off-from-500/llms.txt) is the cheapest paid plan per 1,000 comments: $0.0025. EveryInfra charges for each page of results. We count 200 comments on each page to get the $0.0025 price. [Apinoa's Daily volume from 1,001 requests a day plan](https://datacircle.dev/linkedin-post-comment-apis/apinoa/pay-as-you-go-daily-volume-from-1001-requests-a-day/llms.txt) costs the least for 10,000 comments a month: $0.16.
[ExportComments' $220 monthly plan (/api/v1/batch-export)](https://datacircle.dev/linkedin-post-comment-apis/exportcomments/220-monthly-business-post-api-v1-batch-export/llms.txt) covers any number of comments, and costs less up front than EveryInfra's $500 pack.
[Fetchin](https://datacircle.dev/linkedin-post-comment-apis/fetchin/50-monthly-subscription-50k-get-api-v1-post-comments/llms.txt), [HarvestAPI](https://datacircle.dev/linkedin-post-comment-apis/harvestapi/20-pack/llms.txt) and [AnyAPI](https://datacircle.dev/linkedin-post-comment-apis/anyapi/top-up-from-10/llms.txt) are the best LinkedIn post comment API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/linkedin-post-comment-apis/reduck/free
- [LinkedIn post comment API in 2026: the 17 best compared](https://datacircle.dev/best-linkedin-post-comment-api.txt)
- Get it: https://reduck.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- Request: `POST https://mcp.reduck.ai/run`
- API key: with the plan, on https://reduck.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- Its API docs: https://reduck.ai/explore/scripts/reduck/linkedin.com/get_post_comments?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- Sold by: Reduck (https://reduck.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing)
- Checked: 2026-11-12

## In the answer

- Completeness: 100%
- Comment: ✓
- Commenter: ✓

## Price

- $ per 1,000 comments: $0.00
- Per: page, size not stated
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: 1,382 other Reduck calls

## Overage

- Units cap: hard

## Not found

- $ per 1,000 calls that find nothing: $0.00

## In their words

- Their pitch: Get the comments of a LinkedIn post by permalink, loading up to maxComments top-level threads. Returns total and comments (urn, name, headline, profileUrl, postedAgo, text, reactions, nested replies, hasMoreReplies). The default 'relevant' sort hides low-engagement comments - use 'recent' to reach every comment, older replies behind 'See previous replies' stay unloaded (flagged by hasMoreReplies).

## Data

- Freshness: live
- Keep data: no limit
- Use data: You shall not: Violate any applicable law or third-party rights. Access computer systems without authorization or circumvent security measures. Collect or process sensitive personal data (health, financial, government IDs) without proper authorization. Send spam, distribute malware, or engage in fraud or phishing. Reverse engineer, decompile, or disassemble the Services. Overburden or interfere with our systems or networks. Sell, rent, or sublicense access to the Services. Scrape third-party websites in violation of their terms, or bypass rate limits, paywalls, or robots.txt directives. Create multiple Accounts to circumvent restrictions. Access other users' Accounts or data without authorization. Transmit harmful code, viruses, or malicious software through the Services. Attempt unauthorized access to Our systems, networks, or infrastructure. [...] Certain uses of the Services involve elevated risk and are prohibited, including but not limited to interactions with financial platforms (banking, investments, payments), social media accounts, e-commerce platforms, or any services where automated actions may trigger transactions, account restrictions, content publication, or irreversible operations. [...] You are solely responsible for complying with the terms of service and policies of third-party websites you access through the Services, and for ensuring you have the legal right to automate interactions with them. [...] strictly for your internal or personal use of the Services.

## Plan

- Pay: $0
- You get: 100 requests a month
- Enough for: 100 pages a month

## Rate limit

- Concurrent: 4
- Batch: 1

## Speed

- Answer: in the call or by polling

## The call

- You send: script.host "linkedin.com", script.slug "get_post_comments", script.handle "reduck", script.args.postUrl. Optional: script.args.sort, script.args.maxComments, browser
- Method: POST
- Path: /run

## About the plan

- Plan: Starter
- Who can get it: anyone 18 or older with a Reduck account, signed in to LinkedIn on their own browser, or on a Reduck-hosted browser with their LinkedIn cookies saved by the Reduck extension

## The 11 fields the plan's answer can hold

comment URN, commenter name, commenter headline, commenter URL, time ago, text, reactions, replies, has previous replies, total comments, complete

## Reduck's plans (4)

- [Reduck, free](https://datacircle.dev/linkedin-post-comment-apis/reduck/free/llms.txt): $0.00 per 1,000, 100% complete, live
- [Reduck, $20 monthly](https://datacircle.dev/linkedin-post-comment-apis/reduck/20-monthly/llms.txt): 100% complete, live
- [Reduck, $100 monthly](https://datacircle.dev/linkedin-post-comment-apis/reduck/100-monthly/llms.txt): 100% complete, live
- [Reduck, contact us](https://datacircle.dev/linkedin-post-comment-apis/reduck/contact-us/llms.txt): 100% complete, live

## Reduck's calls for this API (1)

- `POST /run`: [Reduck, free](https://datacircle.dev/linkedin-post-comment-apis/reduck/free/llms.txt)

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## Reduck: LinkedIn post comment API alternatives

[Reduck alternatives: other LinkedIn post comment API providers by price](https://datacircle.dev/reduck-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 comments. Each plan in the list gives live data.

- [Fetchin, free, GET /api/v1/post/comments](https://datacircle.dev/linkedin-post-comment-apis/fetchin/free-free-get-api-v1-post-comments/llms.txt): $0.00 per 1,000, 100% complete, live
- [HarvestAPI, free, GET /linkedin/post-comment-replies](https://datacircle.dev/linkedin-post-comment-apis/harvestapi/free-free-get-linkedin-post-comment-replies/llms.txt): $0.00 per 1,000, 100% complete, live
- [Social Fetch, free](https://datacircle.dev/linkedin-post-comment-apis/social-fetch/free/llms.txt): $0.00 per 1,000, 100% complete, live
- [Bridgly, free](https://datacircle.dev/linkedin-post-comment-apis/bridgly/free/llms.txt): $0.00 per 1,000, 100% complete, live
- [Reach MCP, free](https://datacircle.dev/linkedin-post-comment-apis/reach-mcp/free/llms.txt): $0.00 per 1,000, 100% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-12.

- https://docs.reduck.ai/core-concepts?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- https://mcp.reduck.ai/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- https://reduck.ai/explore/scripts/reduck/linkedin.com/get_post_comments.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- https://reduck.ai/explore/scripts/reduck/linkedin.com/get_profile.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- https://reduck.ai/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- https://reduck.ai/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing
- https://reduck.ai/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-comment-api-pricing