# Mentionkit, free: LinkedIn post search API

> Mentionkit gives you LinkedIn keyword alerts so you can monitor brand, competitor, and market discussions.

Mentionkit's 14-day free trial plan for the LinkedIn post search API costs $0.00 per 1,000 posts. Mentionkit's docs list 3 of the 7 fields on our checklist: Text, Engagement, Author.
Mentionkit limits how many pages you get but gives no number.
We haven't run Mentionkit through [our LinkedIn post search API benchmark](https://datacircle.dev/best-linkedin-post-search-api.txt) yet.
This plan is free. We rank 137 plans for LinkedIn post search APIs by price. Half the plans cost $0.167 per 1,000 posts or less. [See how many LinkedIn post search API plans are free.](https://datacircle.dev/best-linkedin-post-search-api.txt)
[Coresignal's $49 monthly plan](https://datacircle.dev/linkedin-post-search-apis/coresignal/49-monthly-mini-post-v2-employee-post-search-es-dsl/llms.txt) costs the least per 1,000 posts. Coresignal's $49 monthly plan charges nothing per call. You get as many posts as Coresignal's rate limit allows.
[Mentionkit's $49 monthly plan](https://datacircle.dev/linkedin-post-search-apis/mentionkit/49-monthly/llms.txt) covers any number of posts. Mentionkit's $49 monthly plan costs as much up front as Coresignal's $49 monthly plan.
[Scrappa](https://datacircle.dev/linkedin-post-search-apis/scrappa/10-pack/llms.txt), [Up2Data](https://datacircle.dev/linkedin-post-search-apis/up2data/25-pack-10k-post-v1-search-posts/llms.txt) and [DataForB2B](https://datacircle.dev/linkedin-post-search-apis/dataforb2b/499-monthly/llms.txt) are the best LinkedIn post search API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/linkedin-post-search-apis/mentionkit/free
- [LinkedIn post search API: the 18 best providers compared](https://datacircle.dev/best-linkedin-post-search-api.txt)
- Get it: https://mentionkit.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- Request: `GET https://api.mentionkit.com/api/v1/mentions`
- API key: with the plan, on https://mentionkit.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- Its API docs: https://mentionkit.com/docs/get-api-v1-mentions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- Sold by: Mentionkit (https://mentionkit.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 43%
- Text: ✓
- Engagement: ✓
- Author: ✓

## Price

- $ per 1,000 posts: $0.00
- Per: page of 250
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: List keywords · Get organization and project usage overview · List projects · Update mention status

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Mentionkit gives you LinkedIn keyword alerts so you can monitor brand, competitor, and market discussions.

## Data

- Freshness: stored
- Searches in: the provider's own database
- Keep data: no limit
- Use data: Citations, images, and paraphrasing may only be published elsewhere to a limited extent, and only if crediting the respective owners (Copyright Holders). [...] You must not: Use Mentionkit to violate all or any legal rights of any person or other entity in any jurisdiction. Use Mentionkit to develop a product or service that competes with Mentionkit. Use Mentionkit to modify, copy, prepare derivative works of, decompile or reverse engineer any content or software contained in Mentionkit, except to the extent this paragraph is not permitted under non-excludable applicable law. Sell, license or exploit for any commercial purposes, any third-party owned IPR that you obtain from Mentionkit, except where you otherwise have the consent of the owner of the IPR therein to do so. Sell, license or exploit for any commercial purposes any of Our IPR. Resell access to Mentionkit or to any of the functionality made available in Mentionkit. Use any scraper, robot, spider, crawler or other automated device to copy any part of, or content on, Mentionkit. Use Mentionkit in relation to crimes such as theft and fraud. Use Mentionkit in breach of laws relating to the protection of copyright, trade secrets, patents or other IPR and laws relating to spam or privacy. [...] Allow use of your Mentionkit account by any other person. [...]

## Plan

- Pay: $0
- Expires: 14 days

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: sort, cursor, limit, projectId, category, platform, score, keywords, tags, startdate, enddate
- Method: GET
- Path: /api/v1/mentions

## About the plan

- Plan: 14-day free trial
- Who can get it: anyone who registers an account with a valid email address, not a throwaway email provider, one person to an account, no credit card

## The 23 fields the plan's answer can hold

result ID, platform, keyword, project ID, tracker ID, author username, text, language, date, scraped at, post URL, post ID, relevance score, relevance reason, reply angle, likes, comments, AI tags, review status, project name, next cursor, page size, sort order

## Mentionkit's plans (3)

- [Mentionkit, free](https://datacircle.dev/linkedin-post-search-apis/mentionkit/free/llms.txt): $0.00 per 1,000, 43% complete, stored
- [Mentionkit, $49 monthly](https://datacircle.dev/linkedin-post-search-apis/mentionkit/49-monthly/llms.txt): no limit, 43% complete, stored
- [Mentionkit, $490 yearly](https://datacircle.dev/linkedin-post-search-apis/mentionkit/490-yearly/llms.txt): no limit, 43% complete, stored

## Mentionkit's calls (1)

- `GET /api/v1/mentions`: [Mentionkit, free](https://datacircle.dev/linkedin-post-search-apis/mentionkit/free/llms.txt)

## Mentionkit's APIs (2)

- [Mentionkit: Hacker News search API pricing, 3 plans](https://datacircle.dev/hacker-news-search-apis/mentionkit/free/llms.txt)
- [Mentionkit: LinkedIn post search API pricing, 3 plans](https://datacircle.dev/linkedin-post-search-apis/mentionkit/free/llms.txt)

## Mentionkit: LinkedIn post search API alternatives

- [Scrappa, free](https://datacircle.dev/linkedin-post-search-apis/scrappa/free/llms.txt): $0.00 per 1,000, 14% complete, stored
- [Fetchin, free](https://datacircle.dev/linkedin-post-search-apis/fetchin/free/llms.txt): $0.00 per 1,000, 100% complete, live
- [OutX.ai, free](https://datacircle.dev/linkedin-post-search-apis/outx-ai/free/llms.txt): $0.00 per 1,000, 57% complete, stored
- [Coresignal, free trial, POST /v2/employee_post/search/es_dsl](https://datacircle.dev/linkedin-post-search-apis/coresignal/free-trial-post-v2-employee-post-search-es-dsl/llms.txt): $0.00 per 1,000, 0% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://mentionkit.com/docs/authentication?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/do-i-need-a-credit-card-to-start?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/get-api-v1-keywords?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/get-api-v1-me?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/get-api-v1-mentions?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/get-api-v1-projects?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/post-api-v1-mentions-id?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/webhooks?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/docs/which-plan-should-i-choose?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/linkedin-social-listening?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing
- https://mentionkit.com/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=linkedin-post-search-api-pricing