# aVenture, free: Similar companies API

> Returns entities similar to the entity with this entityId, most similar first.

aVenture's Essential plan for the similar companies API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. aVenture's docs list 8: Match, Description, Industry and type, Images, Technologies, Funding, Revenue, Domain.
You get as many pages as you like.
We haven't run aVenture through [our similar companies API benchmark](https://datacircle.dev/best-similar-companies-api.txt) yet.
This plan is free. We rank 169 plans for similar companies APIs by price. Half the plans cost $1.00 or less per 1,000 companies. [95 similar companies API plans on our price sheet are free.](https://datacircle.dev/best-similar-companies-api.txt) [ScrapeAtlas](https://datacircle.dev/similar-company-apis/scrapeatlas/free/llms.txt) has a free plan with 100 pages of companies in total. ScrapeAtlas is the best similar companies API in our benchmark.
[GovConAPI's $39 monthly plan](https://datacircle.dev/similar-company-apis/govconapi/39-monthly/llms.txt) is the cheapest paid plan per 1,000 companies, for the United States only, with no charge per call. You get as many companies as GovConAPI's rate limit allows. [Tomba's pay-as-you-go plan](https://datacircle.dev/similar-company-apis/tomba/pay-as-you-go/llms.txt) costs the least for 10,000 companies a month: $1.25.
[ZoomInfo's $45 pack](https://datacircle.dev/similar-company-apis/zoominfo/45-pack/llms.txt) covers any number of companies, and costs more up front than GovConAPI's $39 monthly plan.
[ScrapeAtlas](https://datacircle.dev/similar-company-apis/scrapeatlas/19-pack/llms.txt), [LeadMagic](https://datacircle.dev/similar-company-apis/leadmagic/499-monthly-professional-post-v3-companies-lookalike/llms.txt) and [Findymail](https://datacircle.dev/similar-company-apis/findymail/249-monthly/llms.txt) are the best similar companies API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/similar-company-apis/aventure/free
- [Similar companies API in 2026: the best of 20+ compared](https://datacircle.dev/best-similar-companies-api.txt)
- Get it: https://aventure.vc/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Request: `GET https://api.aventure.vc/v1/entities/{entityId}/similar`
- API key: with the plan, on https://aventure.vc/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Its API docs: https://docs.aventure.vc/api-reference/entity-similar/list-entity-similar-entities?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- Sold by: aVenture (https://aventure.vc?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing)
- Checked: 2026-11-11

## In the answer

- Completeness: 62%
- Match: ✓
- Description: ✓
- Industry and type: ✓
- Images: ✓
- Technologies: ✓
- Funding: ✓
- Revenue: ✓
- Domain: ✓

## Price

- $ per 1,000 companies: $0.00
- Per: page of 20
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Also pays for: Get a Company's Names, Logos, Links, and Tags: 250 a month · Read Full Entity Detail by aVenture Profile URL, Slug, Website, or Domain · Read One Person's Full Detail by aVenture Profile URL, Slug, or URL · Search the Live Web: 25 a month

## Not found

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

## In their words

- Their pitch: Returns entities similar to the entity with this entityId, most similar first.

## Data

- Keep data: 24 hours
- Use data: a limited, non-exclusive, non-transferable, non-sublicensable, revocable license to access and use the Services and Public Research Data for your own internal research and business purposes and for Live Display as described below [...] you may not: sell, resell, sublicense, or distribute Public Research Data, or any substantial part of it, including as a dataset, list, or feed, or publish it other than through Live Display, disclose research obtained through a signed-in account to third parties, except brief excerpts in your own work with attribution to aVenture or results shown through Live Display, remove or obscure aVenture marks, watermarks, attributions, or source links, or use Public Research Data to train, fine-tune, or evaluate a machine-learning model offered to others

## Plan

- Pay: $0
- Enough for: no limit

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: entityId. Optional: relationshipType, typeRecord, excludeManagerId, permitMonogram, page, size, cursor
- Method: GET
- Path: /v1/entities/{entityId}/similar

## About the plan

- Plan: Essential
- Who can get it: anyone at least 13 years old: its terms' "You must be at least 13 years old to use the Services", Essential is free and needs only an email address

## The 30 fields the plan's answer can hold

company ID, slug, brand name, legal name, alias names, record type, operating status, founded year, default currency, logo, aVenture URL, addresses, tags, industries, main products, customer types, revenue types, ownership types, technologies used, business models, standardized classification codes, descriptions, website, social profile URL, funding details, funding rounds, similarity rank, similarity score, similarity origin, total results

## aVenture's plans (6)

- [aVenture, free](https://datacircle.dev/similar-company-apis/aventure/free/llms.txt): $0.00 per 1,000, 62% complete
- [aVenture, $49 monthly](https://datacircle.dev/similar-company-apis/aventure/49-monthly/llms.txt): no limit, 62% complete
- [aVenture, $199 monthly](https://datacircle.dev/similar-company-apis/aventure/199-monthly/llms.txt): no limit, 62% complete
- [aVenture, $490 yearly](https://datacircle.dev/similar-company-apis/aventure/490-yearly/llms.txt): no limit, 62% complete
- [aVenture, $1,999 yearly](https://datacircle.dev/similar-company-apis/aventure/1999-yearly/llms.txt): no limit, 62% complete
- [aVenture, contact us](https://datacircle.dev/similar-company-apis/aventure/contact-us/llms.txt): 62% complete

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

- `GET /v1/entities/{entityId}/similar`: [aVenture, free](https://datacircle.dev/similar-company-apis/aventure/free/llms.txt)

## aVenture's APIs (9)

- [aVenture Company discovery API pricing, 6 plans](https://datacircle.dev/company-discovery-apis/aventure/free/llms.txt)
- [aVenture Company funding API pricing, 6 plans](https://datacircle.dev/company-funding-apis/aventure/free/llms.txt)
- [aVenture Company headcount API pricing, 6 plans](https://datacircle.dev/company-headcount-apis/aventure/free/llms.txt)
- [aVenture Similar companies API pricing, 6 plans](https://datacircle.dev/similar-company-apis/aventure/free/llms.txt)
- [aVenture Similar people API pricing, 6 plans](https://datacircle.dev/similar-people-apis/aventure/free/llms.txt)
- [aVenture News API pricing, 6 plans](https://datacircle.dev/news-apis/aventure/free/llms.txt)
- [aVenture People search API pricing, 6 plans](https://datacircle.dev/people-search-apis/aventure/free/llms.txt)
- [aVenture People enrichment API pricing, 6 plans](https://datacircle.dev/person-enrichment-apis/aventure/free/llms.txt)
- [aVenture Company enrichment API pricing, 6 plans, GET /v1/entities/brand](https://datacircle.dev/company-enrichment-apis/aventure/free-essential-get-v1-entities-brand/llms.txt)
- [aVenture Company enrichment API pricing, 6 plans, GET /v1/entities/lookup-exact](https://datacircle.dev/company-enrichment-apis/aventure/free-essential-get-v1-entities-lookup-exact/llms.txt)

## aVenture: similar companies API alternatives

[aVenture alternatives: other similar companies API providers by price](https://datacircle.dev/aventure-alternatives.txt)

We list other providers' plans closest to this plan in price per 1,000 companies.

- [ScrapeAtlas, free](https://datacircle.dev/similar-company-apis/scrapeatlas/free/llms.txt): $0.00 per 1,000, 8% complete, live
- [Tomba, free](https://datacircle.dev/similar-company-apis/tomba/free/llms.txt): $0.00 per 1,000, 15% complete, stored
- [Findymail, free](https://datacircle.dev/similar-company-apis/findymail/free/llms.txt): $0.00 per 1,000, 23% complete
- [Omkar Cloud, free](https://datacircle.dev/similar-company-apis/omkar-cloud/free/llms.txt): $0.00 per 1,000, 23% 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 2026-11-11.

- https://aventure.vc/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://aventure.vc/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.aventure.vc?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.aventure.vc/api-reference/entity-similar/list-entity-similar-entities?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.aventure.vc/errors?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.aventure.vc/llms.txt?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.aventure.vc/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing
- https://docs.aventure.vc/plans-and-usage?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=similar-companies-api-pricing