# Alion, free: Company discovery API

> A list of companies. By industry, country and size, with name, website, logo, description and the basics for every company.

Alion's Free to start plan for the company discovery API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. Alion's docs list 8 of the 13. 6 are in the plan's price: Description, Industry, Type and status, Images, Employees, Headquarters. 2 cost extra: Technologies, Funding.
We haven't run Alion through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 1,165 plans for company discovery APIs by price. Half the plans cost $0.525 or less per 1,000 companies. [See the best free company discovery API plan.](https://datacircle.dev/best-company-discovery-api.txt)
[StackScan's $189 monthly plan](https://datacircle.dev/company-discovery-apis/stackscan/189-monthly-enterprise-post-v1-tech-lookup-lists/llms.txt) is the cheapest paid plan per 1,000 companies. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows. [Seltz's pay-as-you-go plan](https://datacircle.dev/company-discovery-apis/seltz/pay-as-you-go-pay-as-you-go-post-v1-search-search-base/llms.txt) costs the least for 10,000 companies a month: $0.03.
[PeopleSearch.im's $5 pack](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.
[GetProspect](https://datacircle.dev/company-discovery-apis/getprospect/49-monthly/llms.txt), [Hunter](https://datacircle.dev/company-discovery-apis/hunter/49-monthly-starter-post-discover/llms.txt) and [PeopleSearch.im](https://datacircle.dev/company-discovery-apis/peoplesearch-im/5-pack/llms.txt) are the best company discovery API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/company-discovery-apis/alion/free
- [Company discovery API: the best of 100+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://alion.io/developers/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: `GET https://alion.io/api/company.getList`
- API key: with the plan, on https://alion.io/developers/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://alion.io/developers/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Alion (https://alion.io?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-08

## In the answer

- Completeness: 62%
- Description: ✓
- Industry: ✓
- Type and status: ✓
- Images: ✓
- Technologies: ✓ costs more
- Employees: ✓
- Headquarters: ✓
- Funding: ✓ costs more

## Price

- $ per 1,000 companies: $0.00
- Per: result
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Most per search: 1,000
- Start fee: $0.00
- Extra fields: products: +$0.00 · technologies: +$0.00 · funding: +$0.00 · hiring: +$0.00
- Also pays for: from the same budget: company.get · job.getList · job.get · market_stats

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: A list of companies. By industry, country and size, with name, website, logo, description and the basics for every company.

## Data

- Keep data: profiles obtained through the Services: not longer than the purpose they were obtained for requires
- Use data: You also agree that you will not: [...] copy, disclose or distribute Content except as expressly permitted by the Terms, including through automated harvesting or "scraping", use the Services to compile, sell, license, broker, redistribute or otherwise commercialise databases of personal data about Candidates or any other person, in whole or in part, or keep profiles obtained through the Services longer than the purpose they were obtained for requires, ranking people for one specific vacancy or request is allowed, [...] use any Content acquired from the Site for commercial activity or in a manner that directly or indirectly competes with Alion, [...] rent, lease, resell, sublicense, distribute, or otherwise transfer access to any of the Services

## Plan

- Pay: $0
- You get: 30 credits
- Enough for: 300 results
- Expires: never

## Rate limit

- Per day: 1,000
- Per second: 1
- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: nothing required. Optional: industry, country, size, founded_from, founded_to, technology, hiring, slices, limit, cursor, count_only
- Method: GET
- Path: /api/company.getList

## About the plan

- Plan: Free to start
- Who can get it: anyone who signs up (30 credits at sign-up, no card)

## The 11 fields the plan's answer can hold

company ID, name, domain, logo, description, industry, segment, size, founded year, headquarters, links

## Alion's plans (4)

- [Alion, free](https://datacircle.dev/company-discovery-apis/alion/free/llms.txt): $0.00 per 1,000, 62% complete
- [Alion, $10 pack](https://datacircle.dev/company-discovery-apis/alion/10-pack/llms.txt): $10.00 per 1,000, 62% complete
- [Alion, $29 monthly](https://datacircle.dev/company-discovery-apis/alion/29-monthly/llms.txt): $7.25 per 1,000, 62% complete
- [Alion, $99 monthly](https://datacircle.dev/company-discovery-apis/alion/99-monthly/llms.txt): $6.60 per 1,000, 62% complete

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

- `GET /api/company.getList`: [Alion, free](https://datacircle.dev/company-discovery-apis/alion/free/llms.txt)

## Alion's APIs (9)

- [Alion: company discovery API pricing, 4 plans](https://datacircle.dev/company-discovery-apis/alion/free/llms.txt)
- [Alion: company enrichment API pricing, 4 plans](https://datacircle.dev/company-enrichment-apis/alion/free/llms.txt)
- [Alion: company funding API pricing, 4 plans](https://datacircle.dev/company-funding-apis/alion/free/llms.txt)
- [Alion: similar companies API pricing, 4 plans](https://datacircle.dev/similar-company-apis/alion/free/llms.txt)
- [Alion: tech stack API pricing, 4 plans](https://datacircle.dev/company-technology-apis/alion/free/llms.txt)
- [Alion: job posting details API pricing, 4 plans](https://datacircle.dev/job-posting-details-apis/alion/free/llms.txt)
- [Alion: job postings API pricing, 4 plans](https://datacircle.dev/job-posting-apis/alion/free/llms.txt)
- [Alion: similar people API pricing, 4 plans](https://datacircle.dev/similar-people-apis/alion/free-no-account/llms.txt)
- [Alion: people search API pricing, 4 plans](https://datacircle.dev/people-search-apis/alion/free-no-account/llms.txt)

## Alion: company discovery API alternatives

- [CompanyEnrich, $549 monthly, Scale, POST /companies/search, Search, full](https://datacircle.dev/company-discovery-apis/companyenrich/549-monthly-scale-post-companies-search-search-full/llms.txt): $6.588 per 1,000, 85% complete, stored
- [Parsers VC, $249 monthly, Scale, GET /startups, List startups, full](https://datacircle.dev/company-discovery-apis/parsers-vc/249-monthly-scale-get-startups-list-startups-full/llms.txt): $6.64 per 1,000, 62% complete, stored
- [The Swarm, $12,000 yearly, Enterprise 2500, POST /v3/companies/fetch](https://datacircle.dev/company-discovery-apis/the-swarm/12000-yearly-enterprise-2500-post-v3-companies-fetch/llms.txt): $6.667 per 1,000, 77% complete, stored
- [WebTechSurvey, $8,000 yearly](https://datacircle.dev/company-discovery-apis/webtechsurvey/8000-yearly/llms.txt): $6.667 per 1,000, 23% complete, 1 month

## 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://alion.io/developers?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://alion.io/developers/docs?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://alion.io/developers/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://alion.io/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://alion.io/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing