# Autobound, free: Company enrichment API

> Every company the Signal API returns carries one consistent profile. The same profile appears on company enrich, company search, contact enrich (the contact’s employer), and on any signal that is about a company.

Autobound's company enrichment API on its Free plan. It costs $0.00 per 1,000 companies. It returns 7 of the 13 key fields we check: Description, Industry, Type and status, Employees, Social profiles, Headquarters, Revenue and budgets.
We rank 843 plans by price. [Extruct's $49 monthly plan](https://datacircle.dev/company-enrichment-apis/extruct/49-monthly/llms.txt) costs the least per 1,000 companies. Extruct's company enrichment API costs nothing beyond the plan price.
[GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt), [ScrapeUnblocker](https://datacircle.dev/company-enrichment-apis/scrapeunblocker/pay-as-you-go-pay-as-you-go-post-companies-crunchbase/llms.txt) and [Hunter](https://datacircle.dev/company-enrichment-apis/hunter/299-monthly/llms.txt) are the best company enrichment API providers in our benchmark.

- This page: https://datacircle.dev/company-enrichment-apis/autobound/free
- [Best company enrichment API in 2026](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.autobound.ai/pricing
- Request: `POST https://signals.autobound.ai/v1/companies/enrich`
- API key: with the plan, on https://www.autobound.ai/pricing
- Its API docs: https://autobound-api.readme.io/reference/enrichcompany
- Sold by: Autobound (https://www.autobound.ai)
- Checked: 2026-10-23

## In the answer

- Completeness: 54%
- Description: ✓
- Industry: ✓
- Type and status: ✓
- Employees: ✓
- Social profiles: ✓
- Headquarters: ✓
- Revenue and budgets: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: POST /v1/contacts/enrich · POST /v1/companies/search · POST /v1/contacts/search · POST /v1/buyer-intent/companies · POST /v1/buyer-intent/contacts · POST /v1/buyer-intent/export

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Every company the Signal API returns carries one consistent profile. The same profile appears on company enrich, company search, contact enrich (the contact’s employer), and on any signal that is about a company.

## Data

- Freshness: 1 month
- Keep data: license to access and use the Services solely for Customer’s internal business purposes during the term of this Agreement [...] Customer shall retain a perpetual, non-exclusive license to use, copy, and distribute any Reports generated through the Services prior to the date of termination or expiration, solely for Customer’s internal business purposes
- Use data: Company hereby grants Customer a non-exclusive, nontransferable, revocable license to access and use the Services solely for Customer’s internal business purposes during the term of this Agreement. [...] Customer shall not, and shall not permit any third party to: Reverse engineer, decompile, disassemble, or otherwise attempt to derive the source code, algorithms, or underlying structure of the Services or any component thereof, Modify, adapt, translate, or create derivative works based upon the Services, Resell, sublicense, lease, rent, loan, distribute, or otherwise make the Services available to any third party, except as expressly authorized in writing by Company, Remove, alter, or obscure any proprietary notices, labels, or markings on or in the Services, Use the Services in a manner that could damage, disable, overburden, or impair Company’s servers, networks, or infrastructure.

## Plan

- Pay: $0
- You get: 1,000 credits
- Enough for: 1,000 calls, once

## Rate limit

- Per second: 5
- Batch: 1

## Speed

- Answer: in the call
- Median: 0.02 s

## The call

- You send: domain or company_name or linkedin_url. Optional: signal_types, signal_subtype, signal_subtypes, detected_after, limit (1 to 500)
- Method: POST
- Path: /v1/companies/enrich

## About the plan

- Plan: Free
- Who can get it: anyone who signs up, no credit card required

## The 21 fields the plan's answer can hold

ID, name, domain, LinkedIn URL, description, founded year, industries, industry confidence, is B2B, is B2C, employee count minimum, employee count maximum, employee count confidence, employees on LinkedIn, revenue, revenue confidence, headquarters city, headquarters state, headquarters country, profile only, warnings

## Autobound's plans (10)

- [Autobound, free](https://datacircle.dev/company-enrichment-apis/autobound/free/llms.txt): $0.00 per 1,000, 54% complete, 1 month
- [Autobound, $19 pack](https://datacircle.dev/company-enrichment-apis/autobound/19-pack/llms.txt): $10.00 per 1,000, 54% complete, 1 month
- [Autobound, $49 pack](https://datacircle.dev/company-enrichment-apis/autobound/49-pack/llms.txt): $9.001 per 1,000, 54% complete, 1 month
- [Autobound, $149 pack](https://datacircle.dev/company-enrichment-apis/autobound/149-pack/llms.txt): $7.50 per 1,000, 54% complete, 1 month
- [Autobound, $499 pack](https://datacircle.dev/company-enrichment-apis/autobound/499-pack/llms.txt): $6.00 per 1,000, 54% complete, 1 month
- [Autobound, $1,299 pack](https://datacircle.dev/company-enrichment-apis/autobound/1299-pack/llms.txt): $4.50 per 1,000, 54% complete, 1 month
- [Autobound, $4,999 pack](https://datacircle.dev/company-enrichment-apis/autobound/4999-pack/llms.txt): $4.00 per 1,000, 54% complete, 1 month
- [Autobound, $10,000 pack](https://datacircle.dev/company-enrichment-apis/autobound/10000-pack/llms.txt): $3.846 per 1,000, 54% complete, 1 month
- [Autobound, $40,000 pack](https://datacircle.dev/company-enrichment-apis/autobound/40000-pack/llms.txt): $3.478 per 1,000, 54% complete, 1 month
- [Autobound, contact us](https://datacircle.dev/company-enrichment-apis/autobound/contact-us/llms.txt): 54% complete, 1 month

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

- `POST /v1/companies/enrich`: [Autobound, free](https://datacircle.dev/company-enrichment-apis/autobound/free/llms.txt)

## Autobound's APIs (9)

- [Autobound: company enrichment API pricing, 10 plans](https://datacircle.dev/company-enrichment-apis/autobound/free/llms.txt)
- [Autobound: company funding API pricing, 10 plans](https://datacircle.dev/company-funding-apis/autobound/free/llms.txt)
- [Autobound: people enrichment API pricing, 10 plans](https://datacircle.dev/person-enrichment-apis/autobound/free/llms.txt)
- [Autobound: LinkedIn company post API pricing, 10 plans](https://datacircle.dev/linkedin-company-post-apis/autobound/free/llms.txt)
- [Autobound: LinkedIn profile comment API pricing, 10 plans](https://datacircle.dev/linkedin-person-comment-apis/autobound/free/llms.txt)
- [Autobound: LinkedIn profile post API pricing, 10 plans](https://datacircle.dev/linkedin-person-post-apis/autobound/free/llms.txt)
- [Autobound: leadership change API pricing, 10 plans, POST /v1/companies/enrich](https://datacircle.dev/leadership-change-apis/autobound/free-post-v1-companies-enrich/llms.txt)
- [Autobound: leadership change API pricing, 10 plans, POST /v1/contacts/search](https://datacircle.dev/leadership-change-apis/autobound/free-post-v1-contacts-search/llms.txt)
- [Autobound: company discovery API pricing, 10 plans, POST /v1/buyer-intent/companies](https://datacircle.dev/company-discovery-apis/autobound/free/llms.txt)
- [Autobound: company discovery API pricing, 10 plans, POST /v1/companies/search](https://datacircle.dev/company-discovery-apis/autobound/free-post-v1-companies-search/llms.txt)
- [Autobound: people search API pricing, 10 plans, POST /v1/buyer-intent/contacts](https://datacircle.dev/people-search-apis/autobound/free-post-v1-buyer-intent-contacts/llms.txt)
- [Autobound: people search API pricing, 10 plans, POST /v1/contacts/search](https://datacircle.dev/people-search-apis/autobound/free-post-v1-contacts-search/llms.txt)

## Autobound: company enrichment API alternatives

- [ReefAPI, $33.75 quarterly, Pro quarterly, POST /google-maps/v1/place/detail](https://datacircle.dev/company-enrichment-apis/reefapi/33-75-quarterly-pro-quarterly-post-google-maps-v1-place-detail/llms.txt): $3.375 per 1,000, 23% complete, live
- [Scavio, $288 yearly, Project, yearly, POST /api/v1/glassdoor/company](https://datacircle.dev/company-enrichment-apis/scavio/288-yearly-project-yearly-post-api-v1-glassdoor-company/llms.txt): $3.429 per 1,000, 62% complete, live
- [DiscoLike, $99 monthly, Starter, POST /append](https://datacircle.dev/company-enrichment-apis/discolike/99-monthly-starter-post-append/llms.txt): $3.50 per 1,000, 69% complete, 30 days
- [Fantastic.jobs, $900 monthly](https://datacircle.dev/company-enrichment-apis/fantastic-jobs/900-monthly/llms.txt): $3.60 per 1,000, 85% 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 2026-10-23.

- https://autobound-api.readme.io/changelog/richer-company-and-contact-data-on-enrich-plus-live-linkedin-posts
- https://autobound-api.readme.io/docs/company-data
- https://autobound-api.readme.io/docs/credits
- https://autobound-api.readme.io/reference/enrichcompany
- https://autobound-api.readme.io/reference/searchbuyerintentcompanies
- https://www.autobound.ai/apis/company-enrichment-api
- https://www.autobound.ai/apis/contact-enrichment-api
- https://www.autobound.ai/master-services-agreement
- https://www.autobound.ai/pricing