# ZoomInfo, free: Similar people API > Contact Lookalikes can be used to retrieve a ranked list of people who are most similar to a given reference person. ZoomInfo's similar people API on its Free plan, $0.00 per 1,000 people. - This page: https://datacircle.dev/similar-people-apis/zoominfo/free - Get it: https://gtm.ai/pricing - Its API docs: https://docs.gtm.ai/reference/contactlookalikesinterface_getcontactlookalikes - Sold by: ZoomInfo (https://gtm.ai) - Checked: 2026-10-13 ## Price - $ per 1,000: $0.00 - Billing: free ## Charges - Per: result ## Not found - $ per 1,000: $0.00 ## In their words - Their pitch: Contact Lookalikes can be used to retrieve a ranked list of people who are most similar to a given reference person. ## Data - Keep data: 3.3.1 Expiration or Termination for any Reason. Upon expiration or termination of the Agreement for any reason: (a) Licensee may continue to use Licensed Materials obtained during the Term subject to the terms of this Agreement, (b) Licensee shall immediately cease accessing or using ZoomInfo Technology, and (c) Licensee acknowledges and agrees that its access to the Services may be automatically terminated, all passwords and individual accounts removed, and all information that has been uploaded into ZoomInfo’s systems by Licensee destroyed. [...] 5.4 Personal Information. [...] Within the ZoomInfo Technology, ZoomInfo may publish a list of persons who have requested that their personal information be removed from ZoomInfo’s database. Licensee agrees to review such list on a regular basis (no less frequently than once per month) and to remove from its possession any Licensed Materials Contact records relating to such persons in its possession, unless Licensee has established an independent lawful basis to process such person’s personal information. - Use data: 2.3 Authorized Uses, Restrictions. Licensee shall not access or use the Services for any purpose except the business-to-business sales, marketing, recruiting, or business development activities of Licensee. Licensee shall not access or use the Licensed Materials for the benefit of or on behalf of any person or entity except Licensee. Subject to Licensee’s compliance with all applicable laws, rules, and regulations, Licensee may use the Services to: (a) view the Licensed Materials, (b) communicate with any Licensed Materials Contact in a manner that relates to such person’s profession, business, or employment, and (c) identify prospective sales opportunities, research Licensee’s existing customers and prospects, and otherwise analyze the Licensed Materials in a manner relating to Licensee’s business-to-business sales, marketing, recruiting, and business development activities. Licensee shall not permit anyone who is not an Authorized User to access or use the Services, including any Licensed Materials or any Authorized User login credentials. Licensee shall not distribute, sublicense, transfer, sell, offer for sale, disclose, or make available any of the Licensed Materials or any part of the Services to any third party. Except through services provided by ZoomInfo or its affiliates or as expressly permitted by ZoomInfo, Licensee shall not: (x) use the Licensed Materials to create audience segmentation for or otherwise place digital ads or ads in digital media (also known as onboarding or digital activation), or (y) utilize or incorporate any ZoomInfo API credentials into any Third Party Applications or use API access to create or develop audience segmentation outside of services provided by ZoomInfo. Licensee shall not incorporate any portion of the Services or Licensed Materials into Licensee’s own products or services. Licensee is solely responsible for any communications between Licensee or any Authorized User and any Licensed Materials Contact. Licensee shall not use the Services to determine a consumer’s eligibility for (a) credit or insurance for personal, family or household purposes, (b) employment or (c) a government license or benefit or (d) any other purpose governed by the Fair Credit Reporting Act. ## Plan - Pay: $0 - You get: 1,000 credits - Enough for: 3,888,000 results, once - Expires: 12 months after they are granted ## Rate limit - Per day: 129,600 - Per second: 3 - Batch: 1 ## The call - You send: filter[referencePersonId], filter[targetCompanyId], page[size] - Method: GET - Path: /copilot/v1/contacts/lookalikes ## About the plan - Plan: Free - Who can get it: anyone ## The 6 fields in the plan's answer person ID, rank, similarity score, person brief, reference person ID, reference person brief ## ZoomInfo's plans (14) - [ZoomInfo, free](https://datacircle.dev/similar-people-apis/zoominfo/free/llms.txt): $0.00 per 1,000 - [ZoomInfo, $45 pack](https://datacircle.dev/similar-people-apis/zoominfo/45-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $215 pack](https://datacircle.dev/similar-people-apis/zoominfo/215-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $410 pack](https://datacircle.dev/similar-people-apis/zoominfo/410-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $950 pack](https://datacircle.dev/similar-people-apis/zoominfo/950-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $1,900 pack](https://datacircle.dev/similar-people-apis/zoominfo/1900-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $2,850 pack](https://datacircle.dev/similar-people-apis/zoominfo/2850-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $3,800 pack](https://datacircle.dev/similar-people-apis/zoominfo/3800-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $4,800 pack](https://datacircle.dev/similar-people-apis/zoominfo/4800-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $6,400 pack](https://datacircle.dev/similar-people-apis/zoominfo/6400-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $8,700 pack](https://datacircle.dev/similar-people-apis/zoominfo/8700-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $14,500 pack](https://datacircle.dev/similar-people-apis/zoominfo/14500-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, $25,000 pack](https://datacircle.dev/similar-people-apis/zoominfo/25000-pack/llms.txt): $0.00 per 1,000 - [ZoomInfo, contact us](https://datacircle.dev/similar-people-apis/zoominfo/contact-us/llms.txt) ## ZoomInfo's calls (1) - `GET /copilot/v1/contacts/lookalikes`: [ZoomInfo, free](https://datacircle.dev/similar-people-apis/zoominfo/free/llms.txt) ## Similar plans of other providers - [Pubrio, free, trial](https://datacircle.dev/similar-people-apis/pubrio/free-trial/llms.txt): $0.00 per 1,000, 1 day - [Reverse Contact, free](https://datacircle.dev/similar-people-apis/reverse-contact/free/llms.txt): $0.00 per 1,000, stored ## Sources From each provider's own pricing page and docs. We read this row from these pages on 2026-10-13. - https://docs.gtm.ai/docs/credit-usage-and-limits - https://docs.gtm.ai/docs/overview - https://docs.gtm.ai/docs/pagination-batching-and-bulk - https://docs.gtm.ai/docs/rate-limits - https://docs.gtm.ai/reference/contactlookalikesinterface_getcontactlookalikes - https://docs.gtm.ai/reference/contactlookalikesinterface_getcontactlookalikes.md - https://gtm.ai/content/docs/mcp/credits.md - https://gtm.ai/pricing - https://gtm.ai/start-building - https://web.archive.org/web/20261007124146/https://www.zoominfo.com/legal/ltc