# Aidenix, free: Company discovery API

> Profile by domain or a list by filters: size, revenue, funding, website tech, hiring, what the company is researching now. Current and former employees on one switch.

Aidenix's Trial plan for the company discovery API costs $0.00 per 1,000 companies. Aidenix's docs list 4 of the 13 fields on our checklist: Technologies, Employees, Funding, Revenue and budgets.
We haven't run Aidenix through [our company discovery API benchmark](https://datacircle.dev/best-company-discovery-api.txt) yet.
This plan is free. We rank 1,009 plans for company discovery APIs by price. Half the plans cost $1.00 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/aidenix/free
- [Company discovery API: the best of 90+ providers compared](https://datacircle.dev/best-company-discovery-api.txt)
- Get it: https://aidenix.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Request: Docs behind sign-up
- API key: with the plan, on https://aidenix.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Its API docs: https://aidenix.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- Sold by: Aidenix (https://aidenix.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 31%
- Technologies: ✓
- Employees: ✓
- Funding: ✓
- Revenue and budgets: ✓

## Price

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

## Aggregators

- Aggregators: none

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Profile by domain or a list by filters: size, revenue, funding, website tech, hiring, what the company is researching now. Current and former employees on one switch.

## Data

- Freshness: 1 month
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- You get: 75 results
- Enough for: 75 results
- Expires: 14 days

## Rate limit

- Batch: 1

## Speed

- Median: 0.29 s

## The call

- You send: Docs behind sign-up

## About the plan

- Plan: Trial
- Who can get it: anyone who signs up, no card

## The 7 fields the plan's answer can hold

company name, headcount, revenue, funding, technologies, hiring, research topics

## Aidenix's plans (5)

- [Aidenix, free](https://datacircle.dev/company-discovery-apis/aidenix/free/llms.txt): $0.00 per 1,000, 31% complete, 1 month
- [Aidenix, $39 monthly](https://datacircle.dev/company-discovery-apis/aidenix/39-monthly/llms.txt): $55.714 per 1,000, 31% complete, 1 month
- [Aidenix, $99 monthly](https://datacircle.dev/company-discovery-apis/aidenix/99-monthly/llms.txt): $49.50 per 1,000, 31% complete, 1 month
- [Aidenix, $249 monthly](https://datacircle.dev/company-discovery-apis/aidenix/249-monthly/llms.txt): $41.50 per 1,000, 31% complete, 1 month
- [Aidenix, contact us](https://datacircle.dev/company-discovery-apis/aidenix/contact-us/llms.txt): 31% complete, 1 month

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

- Docs behind sign-up: [Aidenix, free](https://datacircle.dev/company-discovery-apis/aidenix/free/llms.txt)

## Aidenix's APIs (6)

- [Aidenix: company discovery API pricing, 5 plans](https://datacircle.dev/company-discovery-apis/aidenix/free/llms.txt)
- [Aidenix: company enrichment API pricing, 5 plans](https://datacircle.dev/company-enrichment-apis/aidenix/free/llms.txt)
- [Aidenix: tech stack API pricing, 5 plans](https://datacircle.dev/company-technology-apis/aidenix/free/llms.txt)
- [Aidenix: email verification API pricing, 5 plans](https://datacircle.dev/validate-email-apis/aidenix/free/llms.txt)
- [Aidenix: people search API pricing, 5 plans](https://datacircle.dev/people-search-apis/aidenix/free/llms.txt)
- [Aidenix: people enrichment API pricing, 5 plans](https://datacircle.dev/person-enrichment-apis/aidenix/free/llms.txt)

## Aidenix: company discovery API alternatives

- [PredictLeads, pay as you go, 5,001-10,000 API Calls, GET /discover/extended_companies](https://datacircle.dev/company-discovery-apis/predictleads/pay-as-you-go-5001-10000-api-calls-get-discover-extended-companies/llms.txt): $40.00 per 1,000, 85% complete, 2 weeks
- [Engagemii, top-up from $200](https://datacircle.dev/company-discovery-apis/engagemii/top-up-from-200/llms.txt): $40.00 per 1,000, 38% complete, 30 days
- [Fokals, top-up from $5](https://datacircle.dev/company-discovery-apis/fokals/top-up-from-5/llms.txt): $40.00 per 1,000, 23% complete, 1 day
- [Bloomberry, $299 monthly, Pro, GET /accounts/tech.json](https://datacircle.dev/company-discovery-apis/bloomberry/299-monthly-pro-get-accounts-tech-json/llms.txt): $46.00 per 1,000, 54% complete, 14 days

## 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://aidenix.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://aidenix.com/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://aidenix.com/blog/new-sales-leaders-last-90-days?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://aidenix.com/blog/verified-sales-leads-already-left?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://aidenix.com/fit?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://aidenix.com/information/terms?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://aidenix.com/mcp-demo?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing
- https://aidenix.com/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-discovery-api-pricing