# Knock2, free: Cached LinkedIn profile API > POST /v1/enrich runs an email address and/or LinkedIn URL through Knock2’s enrichment waterfall — querying multiple sources in sequence and merging the results into a single unified contact profile. You get back fields like job title, seniority, department, and company details in one call. Knock2's cached LinkedIn profile API on its 7-day free trial plan, $0.00 per 1,000 profiles. 1 of the 13 LinkedIn profile sections: Experience. - This page: https://datacircle.dev/cached-linkedin-profile-apis/knock2/free - Get it: https://knock2.ai/pricing - Its API docs: https://docs.knock2.ai/api-reference/enrich/enrich-contact - Sold by: Knock2 (https://knock2.ai) - Checked: 2026-10-15 ## In the answer - Completeness: 8% - Experience: ✓ current job ## Price - $ per 1,000: $0.00 - Billing: free ## Aggregators - Aggregators: none ## Charges - Per: call ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: POST /v1/enrich runs an email address and/or LinkedIn URL through Knock2’s enrichment waterfall — querying multiple sources in sequence and merging the results into a single unified contact profile. You get back fields like job title, seniority, department, and company details in one call. ## Data - Freshness: stored - Keep data: no limit - Use data: only in line with Knock2's published policies and applicable law, not for service bureau purposes or for the benefit of a third party, you obtain end users' consents and answer for your own privacy compliance ## Plan - Pay: $0 ## Rate limit - Batch: 1 ## Speed - Answer: in the call ## The call - You send: linkedin_url or email (at least one of them) - Method: POST - Path: /v1/enrich ## About the plan - Plan: 7-day free trial - Who can get it: once per customer, with a payment method on file (Stripe checkout), it converts to the paid plan chosen at sign-up unless cancelled within the 7 days ## The 8 fields the plan's answer can hold match status, provider record ID, first name, last name, current title, current company, current seniority, current department ## Knock2's plans (8) - [Knock2, free](https://datacircle.dev/cached-linkedin-profile-apis/knock2/free/llms.txt): $0.00 per 1,000, 8% complete, stored - [Knock2, $199 monthly](https://datacircle.dev/cached-linkedin-profile-apis/knock2/199-monthly/llms.txt): $55.278 per 1,000, 8% complete, stored - [Knock2, $349 monthly](https://datacircle.dev/cached-linkedin-profile-apis/knock2/349-monthly/llms.txt): $38.778 per 1,000, 8% complete, stored - [Knock2, $499 monthly](https://datacircle.dev/cached-linkedin-profile-apis/knock2/499-monthly/llms.txt): $33.267 per 1,000, 8% complete, stored - [Knock2, $749 monthly](https://datacircle.dev/cached-linkedin-profile-apis/knock2/749-monthly/llms.txt): $24.967 per 1,000, 8% complete, stored - [Knock2, $999 monthly](https://datacircle.dev/cached-linkedin-profile-apis/knock2/999-monthly/llms.txt): $22.20 per 1,000, 8% complete, stored - [Knock2, $1,999 monthly](https://datacircle.dev/cached-linkedin-profile-apis/knock2/1999-monthly/llms.txt): $22.211 per 1,000, 8% complete, stored - [Knock2, contact us](https://datacircle.dev/cached-linkedin-profile-apis/knock2/contact-us/llms.txt): 8% complete, stored ## Knock2's calls (1) - `POST /v1/enrich`: [Knock2, free](https://datacircle.dev/cached-linkedin-profile-apis/knock2/free/llms.txt) ## Similar plans of other providers - [Ocean.io, free](https://datacircle.dev/cached-linkedin-profile-apis/ocean-io/free/llms.txt): $0.00 per 1,000, 69% complete, stored - [Lead King on Apify, free](https://datacircle.dev/cached-linkedin-profile-apis/lead-king-on-apify/free/llms.txt): $0.00 per 1,000, 15% complete, stored - [Nymeria, free](https://datacircle.dev/cached-linkedin-profile-apis/nymeria/free/llms.txt): $0.00 per 1,000, 15% complete, stored - [Olympus on Apify, free](https://datacircle.dev/cached-linkedin-profile-apis/olympus-on-apify/free/llms.txt): $0.00 per 1,000, 15% 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 2026-10-15. - https://docs.knock2.ai/api-reference/enrich/enrich-contact - https://docs.knock2.ai/api-reference/enrich/enrich-contact.md - https://docs.knock2.ai/api-reference/overview - https://docs.knock2.ai/guides/enrichment - https://docs.knock2.ai/guides/prospecting - https://knock2.ai/pricing - https://www.knock2.ai/api-knock2 - https://www.knock2.ai/terms-and-conditions