# TechnologyChecker, free, Free, POST /v1/companies/batch: Company enrichment API

> Look up company data for multiple domains in a single request (up to 100). Returns full company details including description and specialties. Costs 1 credit per domain.

TechnologyChecker's company enrichment API on its Free plan, $0.00 per 1,000 companies. 6 of the 13 key fields: Description, Industry, Type and status, Employees, Social profiles, Headquarters.

- This page: https://datacircle.dev/company-enrichment-apis/technologychecker/free-free-post-v1-companies-batch
- Get it: https://technologychecker.io/pricing
- Its API docs: https://technologychecker.io/docs/api-reference/company-data/batch-company-lookup-api
- Sold by: TechnologyChecker (https://technologychecker.io)
- Checked: 2026-10-20

## In the answer

- Completeness: 46%
- Description: ✓
- Industry: ✓
- Type and status: ✓
- Employees: ✓
- Social profiles: ✓
- Headquarters: ✓

## Price

- $ per 1,000: $0.00
- Billing: free

## Aggregators

- Aggregators: none

## Charges

- Per: result
- Also pays for: Signal types index · Alerts: create, read, edit, test, delivery log · Audience create-from-upload, read, rename, delete, members · Lead list search, tech map, count preview, list, preview, export, delete · Usage, credits and key management · from the same budget: Domain lookup · Domain history · Domain tech changes · Find domains by technology · Technology lookup / search · Technology stats and trends · Market share · Get companies by technology · Company lookup · Company search · Adoption, churn, switch and whitespace signals · Audience technology report · Audience breakdown · Segment technology stats · Build a computed audience · Live technology lookup · AI extractor · Lead list creation (1 per delivered row) · Signal CSV export (1 per exported row) · Churn validation · Audience refresh crawl · Alert crawl cadence

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Look up company data for multiple domains in a single request (up to 100). Returns full company details including description and specialties. Costs 1 credit per domain.

## Data

- Freshness: stored
- Keep data: Cached data must be refreshed at intervals consistent with your subscription plan
- Use data: You may integrate API data into your internal business applications, CRM systems, and workflows [...] You may not redistribute raw API data to third parties or make it publicly accessible without our written consent [...] You may not use API data to create a competing technology detection service or database [...] You must comply with all applicable data protection laws when processing personal data obtained through the API [...] The following activities are strictly prohibited: [...] Reselling, redistributing, sublicensing, or otherwise making the Service or its data available to third parties without our prior written consent [...] Using the Service or its data to build a competing product, service, or database [...] Using the Service to send unsolicited commercial communications (spam), including bulk emails, cold calls, or messages to contacts obtained through the Service without a legitimate legal basis

## Plan

- Pay: $0
- You get: 100 credits a month
- Enough for: 100 results a month
- Expires: at the monthly reset, credits don't roll over

## Rate limit

- Per second: 1
- Batch: 100

## Speed

- Answer: in the call

## The call

- You send: domains
- Method: POST
- Path: /v1/companies/batch

## About the plan

- Plan: Free
- Who can get it: anyone 18 or over, for individual evaluation: the free plan may not be used for commercial-scale operations

## The 15 fields the plan's answer can hold

domain, subdomains, company name, LinkedIn URL, industry, industry code, country, city, state, founded, employee count range, company type, associated members, description, specialties

## TechnologyChecker's plans (6)

- [TechnologyChecker, free, Free, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/technologychecker/free-free-post-v1-companies-batch/llms.txt): $0.00 per 1,000, 46% complete, stored
- [TechnologyChecker, $89 monthly, Pro, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/technologychecker/89-monthly-pro-post-v1-companies-batch/llms.txt): $8.90 per 1,000, 46% complete, stored
- [TechnologyChecker, $249 monthly, Scale, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/technologychecker/249-monthly-scale-post-v1-companies-batch/llms.txt): $4.98 per 1,000, 46% complete, stored
- [TechnologyChecker, $890 yearly, Pro, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/technologychecker/890-yearly-pro-post-v1-companies-batch/llms.txt): $7.417 per 1,000, 46% complete, stored
- [TechnologyChecker, $2,490 yearly, Scale, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/technologychecker/2490-yearly-scale-post-v1-companies-batch/llms.txt): $4.15 per 1,000, 46% complete, stored
- [TechnologyChecker, contact us, Enterprise, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/technologychecker/contact-us-enterprise-post-v1-companies-batch/llms.txt): 46% complete, stored

## TechnologyChecker's calls (2)

- `POST /v1/companies/batch`: [TechnologyChecker, free, Free, POST /v1/companies/batch](https://datacircle.dev/company-enrichment-apis/technologychecker/free-free-post-v1-companies-batch/llms.txt)
- `GET /v1/company/{domain}`: [TechnologyChecker, free, Free, GET /v1/company/{domain}](https://datacircle.dev/company-enrichment-apis/technologychecker/free-free-get-v1-company-domain/llms.txt)

## Similar plans of other providers

- [Coresignal, free](https://datacircle.dev/company-enrichment-apis/coresignal/free/llms.txt): $0.00 per 1,000, 100% complete, stored
- [The Companies API, free, Free, GET /v2/companies/{domain}](https://datacircle.dev/company-enrichment-apis/the-companies-api/free/llms.txt): $0.00 per 1,000, 92% complete, stored
- [ZoomInfo, free](https://datacircle.dev/company-enrichment-apis/zoominfo/free/llms.txt): $0.00 per 1,000, 92% complete, stored
- [UpLead, free](https://datacircle.dev/company-enrichment-apis/uplead/free/llms.txt): $0.00 per 1,000, 69% complete, stored

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-20.

- https://technologychecker.io/docs/api-reference/company-data/batch-company-lookup-api
- https://technologychecker.io/docs/api-reference/credits
- https://technologychecker.io/docs/api-reference/openapi.json
- https://technologychecker.io/docs/api-reference/rate-limits
- https://technologychecker.io/pricing
- https://technologychecker.io/terms-of-use