# HeyReagent, free: LinkedIn profile comment API

> List the comments one person wrote, newest first.

HeyReagent's Free plan for the LinkedIn profile comment API costs $0.00 per 1,000 comments. We check each provider's docs for 2 fields. HeyReagent's docs list both: Comment and Post.
HeyReagent limits how many pages you get but gives no number.
We haven't run HeyReagent through [our LinkedIn profile comment API benchmark](https://datacircle.dev/best-linkedin-profile-comment-api.txt) yet.
This plan is free. We rank 63 plans for LinkedIn profile comment APIs by price. Half the plans cost $0.50 or less per 1,000 comments. [See the best free LinkedIn profile comment API plan.](https://datacircle.dev/best-linkedin-profile-comment-api.txt)
[Fetchin's $475 monthly plan](https://datacircle.dev/linkedin-person-comment-apis/fetchin/475-monthly/llms.txt) is the cheapest paid plan per 1,000 comments: $0.0095. Fetchin charges for each page of results. We count 100 comments on each page to get the $0.0095 price. [AnyAPI's pay-as-you-go plan](https://datacircle.dev/linkedin-person-comment-apis/anyapi/pay-as-you-go/llms.txt) costs the least for 10,000 comments a month: $0.29.
[HarvestAPI](https://datacircle.dev/linkedin-person-comment-apis/harvestapi/280-pack/llms.txt), [Fetchin](https://datacircle.dev/linkedin-person-comment-apis/fetchin/50-monthly/llms.txt) and [AnyAPI](https://datacircle.dev/linkedin-person-comment-apis/anyapi/top-up-from-10/llms.txt) are the best LinkedIn profile comment API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/linkedin-person-comment-apis/heyreagent/free
- [LinkedIn profile comment API: the 5 best providers compared](https://datacircle.dev/best-linkedin-profile-comment-api.txt)
- Get it: https://heyreagent.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- Request: `POST https://api.heyreagent.com/v1/actions/list_comments_by_person`
- API key: with the plan, on https://heyreagent.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- Its API docs: https://heyreagent.com/docs/actions/list_comments_by_person?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- Sold by: HeyReagent (https://heyreagent.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 100%
- Comment: ✓
- Post: ✓

## Price

- $ per 1,000 comments: $0.00
- Per: page of 100
- Billing: free

## Charges

- Also pays for: 91 other calls

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: List the comments one person wrote, newest first.

## Data

- Keep data: no limit
- Use data: Use it only for your own account and for lawful, honest outreach. Do not use it to send spam, to impersonate anyone, or to collect other people's data.

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: person. Optional: limit, cursor, connectionId
- Method: POST
- Path: /v1/actions/list_comments_by_person

## About the plan

- Plan: Free
- Who can get it: anyone, on their own LinkedIn account, which is disconnected after an hour without use

## The 14 fields the plan's answer can hold

comment ID, post ID, post URN, thread ID, author name, date, text, author picture, reactions, replies, impressions, viewer reaction, next cursor, results on page

## HeyReagent's plans (3)

- [HeyReagent, free](https://datacircle.dev/linkedin-person-comment-apis/heyreagent/free/llms.txt): $0.00 per 1,000, 100% complete
- [HeyReagent, $29.99 monthly](https://datacircle.dev/linkedin-person-comment-apis/heyreagent/29-99-monthly/llms.txt): 100% complete
- [HeyReagent, $499 monthly](https://datacircle.dev/linkedin-person-comment-apis/heyreagent/499-monthly/llms.txt): 100% complete

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

- `POST /v1/actions/list_comments_by_person`: [HeyReagent, free](https://datacircle.dev/linkedin-person-comment-apis/heyreagent/free/llms.txt)

## HeyReagent's APIs (13)

- [HeyReagent: LinkedIn company post API pricing, 3 plans](https://datacircle.dev/linkedin-company-post-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn company data API pricing, 3 plans](https://datacircle.dev/linkedin-company-profile-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn profile comment API pricing, 3 plans](https://datacircle.dev/linkedin-person-comment-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn profile post API pricing, 3 plans](https://datacircle.dev/linkedin-person-post-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn profile API pricing, 3 plans](https://datacircle.dev/linkedin-profile-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn profile reaction API pricing, 3 plans](https://datacircle.dev/linkedin-person-reaction-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn job search API pricing, 3 plans](https://datacircle.dev/linkedin-job-search-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn post comment API pricing, 3 plans](https://datacircle.dev/linkedin-post-comment-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn post details API pricing, 3 plans](https://datacircle.dev/linkedin-post-details-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn post reaction API pricing, 3 plans](https://datacircle.dev/linkedin-post-reaction-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn post search API pricing, 3 plans](https://datacircle.dev/linkedin-post-search-apis/heyreagent/free/llms.txt)
- [HeyReagent: LinkedIn company search API pricing, 3 plans, POST /v1/actions/search_linkedin_companies](https://datacircle.dev/linkedin-company-search-apis/heyreagent/free-post-v1-actions-search-linkedin-companies/llms.txt)
- [HeyReagent: LinkedIn company search API pricing, 3 plans, POST /v1/actions/search_linkedin_sales_navigator_companies](https://datacircle.dev/linkedin-company-search-apis/heyreagent/free-post-v1-actions-search-linkedin-sales-navigator-companies/llms.txt)
- [HeyReagent: LinkedIn people search API pricing, 3 plans, POST /v1/actions/search_linkedin_people](https://datacircle.dev/linkedin-people-search-apis/heyreagent/free-post-v1-actions-search-linkedin-people/llms.txt)
- [HeyReagent: LinkedIn people search API pricing, 3 plans, POST /v1/actions/search_linkedin_sales_navigator_people](https://datacircle.dev/linkedin-people-search-apis/heyreagent/free-post-v1-actions-search-linkedin-sales-navigator-people/llms.txt)

## HeyReagent: LinkedIn profile comment API alternatives

- [HarvestAPI, free](https://datacircle.dev/linkedin-person-comment-apis/harvestapi/free/llms.txt): $0.00 per 1,000, 100% complete, live
- [Fetchin, free](https://datacircle.dev/linkedin-person-comment-apis/fetchin/free/llms.txt): $0.00 per 1,000, 100% complete, live
- [AnyAPI, free trial key, POST /v1/run/linkedin.profile_comments, LinkedIn Profile Comments](https://datacircle.dev/linkedin-person-comment-apis/anyapi/free-trial-key/llms.txt): $0.00 per 1,000, 100% complete
- [Autobound, free](https://datacircle.dev/linkedin-person-comment-apis/autobound/free/llms.txt): $0.00 per 1,000, 100% complete, 1 month
- [Anysite, free](https://datacircle.dev/linkedin-person-comment-apis/anysite/free/llms.txt): $0.00 per 1,000, 100% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-08.

- https://heyreagent.com/docs/actions/get_profile_details?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- https://heyreagent.com/docs/actions/list_comments_by_person?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- https://heyreagent.com/linkedin-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- https://heyreagent.com/llms-full.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- https://heyreagent.com/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- https://heyreagent.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing
- https://heyreagent.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-profile-comment-api-pricing