# Kernel, free, Starter allocation, POST /v1/firmographics: Company enrichment API

> Ask for headcount, revenue, or industry and get each value back with the reasoning attached, so you can see where it came from.

Kernel's Starter allocation plan for the company enrichment API costs $0.00 per 1,000 companies. We check each provider's docs for 13 fields. Kernel's docs list 4: Industry, Employees, Revenue and budgets, Parents.
We haven't run Kernel through [our company enrichment API benchmark](https://datacircle.dev/best-company-enrichment-api.txt) yet.
We rank 3,016 plans for company enrichment APIs by price. Half the plans cost $8.977 or less per 1,000 companies. This plan and 213 others tie for the lowest price per 1,000 companies of the 3,016 plans. [See the best free company enrichment API plan.](https://datacircle.dev/best-company-enrichment-api.txt)
[APIs Peru's PEN 30 (about $9) monthly plan](https://datacircle.dev/company-enrichment-apis/apis-peru/pen-30-monthly/llms.txt) covers any number of companies in Peru only. APIs Peru's PEN 30 (about $9) monthly plan costs less up front than Coldlytics's $49 monthly plan.
[GLEIF](https://datacircle.dev/company-enrichment-apis/gleif/free/llms.txt), [TrustMRR](https://datacircle.dev/company-enrichment-apis/trustmrr/free/llms.txt) and [GetProspect](https://datacircle.dev/company-enrichment-apis/getprospect/49-monthly-starter-post-v2-companies-enrich/llms.txt) are the best company enrichment API providers in the Datacircle benchmark for companies in any country.

- This page: https://datacircle.dev/company-enrichment-apis/kernel/free-starter-allocation-post-v1-firmographics
- [Company enrichment API in 2026: the best of 260+ compared](https://datacircle.dev/best-company-enrichment-api.txt)
- Get it: https://www.kernel.ai/kernel-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Request: `POST https://api.kernel.ai/rest/v1/firmographics`
- API key: with the plan, on https://www.kernel.ai/kernel-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Its API docs: https://dev.kernel.ai/api-reference/endpoint/get-firmographics?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- Sold by: Kernel (https://www.kernel.ai?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing)
- Checked: 2026-11-10

## In the answer

- Completeness: 31%
- Industry: ✓
- Employees: ✓
- Revenue and budgets: ✓
- Parents: ✓

## Price

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

## Aggregators

- Aggregators: none

## Charges

- Also pays for: from the same budget: Resolve entity · Resolve parent

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Ask for headcount, revenue, or industry and get each value back with the reasoning attached, so you can see where it came from.

## Data

- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0

## Rate limit

- Batch: 1

## Speed

- Answer: by polling or webhook

## The call

- You send: kernel_id. Optional: webhook_url
- Method: POST
- Path: /v1/firmographics

## About the plan

- Plan: Starter allocation
- Who can get it: builders Kernel approves after a request form (name, work email, company, what you want to build), access isn't instant

## The 87 fields the plan's answer can hold

Kernel ID, requested Kernel ID, remapped, retired at, operational status, operational status reasoning, operating street, operating city, operating state, operating country, operating postcode, operating location reasoning, registered street, registered city, registered state, registered country, registered postcode, registered location reasoning, headcount, entity headcount, consolidated headcount, headcount confidence, headcount reasoning, revenue in USD, entity revenue in USD, consolidated revenue in USD, revenue confidence, revenue currency, entity revenue currency, revenue in local currency, entity revenue in local currency, consolidated revenue in local currency, consolidated revenue currency, revenue reasoning, revenue source, NAICS version, NAICS sector code, NAICS sector label, NAICS subsector code, NAICS subsector label, NAICS industry group code, NAICS industry group label, NAICS industry code, NAICS industry label, NAICS national industry code, NAICS national industry label, NAICS reasoning, SIC version, SIC division code, SIC division label, SIC major group code, SIC major group label, SIC industry group code, SIC industry group label, SIC industry code, SIC industry label, SIC reasoning, NACE version, NACE section code, NACE section label, NACE division code, NACE division label, NACE group code, NACE group label, NACE class code, NACE class label, NACE reasoning, parent operating street, parent operating city, parent operating state, parent operating postcode, parent operating country, parent operating country code, parent effective revenue in USD, parent effective headcount, parent NAICS national industry, parent SIC industry code, top parent operating street, top parent operating city, top parent operating state, top parent operating postcode, top parent operating country, top parent operating country code, top parent effective revenue in USD, top parent effective headcount, top parent NAICS national industry, top parent SIC industry code

## Kernel's plans (1)

- [Kernel, free, Starter allocation, POST /v1/firmographics](https://datacircle.dev/company-enrichment-apis/kernel/free-starter-allocation-post-v1-firmographics/llms.txt): $0.00 per 1,000, 31% complete

## Kernel's calls for this API (2)

- `POST /v1/firmographics`: [Kernel, free, Starter allocation, POST /v1/firmographics](https://datacircle.dev/company-enrichment-apis/kernel/free-starter-allocation-post-v1-firmographics/llms.txt)
- `POST /v1/entity-resolution`: [Kernel, free, Starter allocation, POST /v1/entity-resolution](https://datacircle.dev/company-enrichment-apis/kernel/free-starter-allocation-post-v1-entity-resolution/llms.txt)

## Kernel's APIs (2)

- [Kernel: company hierarchy API pricing, 1 plan](https://datacircle.dev/company-hierarchy-apis/kernel/free/llms.txt)
- [Kernel: company enrichment API pricing, 1 plan, POST /v1/firmographics](https://datacircle.dev/company-enrichment-apis/kernel/free-starter-allocation-post-v1-firmographics/llms.txt)

## Kernel: company enrichment API alternatives

- [jobContext, free](https://datacircle.dev/company-enrichment-apis/jobcontext/free/llms.txt): $0.00 per 1,000, 15% complete, stored
- [GovConAPI, free trial, GET /api/v1/entities/by-cage/{cage}](https://datacircle.dev/company-enrichment-apis/govconapi/free-trial-get-api-v1-entities-by-cage-cage/llms.txt): $0.00 per 1,000, 23% complete, 1 month
- [g0v Taiwan Company, free, GET /api/bulkquery](https://datacircle.dev/company-enrichment-apis/g0v-taiwan-company/free-get-api-bulkquery/llms.txt): $0.00 per 1,000, 23% complete, 1 month (tax registry county or city, tax registry district, tax registry business name, tax registry capital, tax registry establishment date, tax registry uses uniform invoices, tax registry industry, tax registry industry code, tax registry business address, tax registry person in charge surname, tax registry head office unified business number, tax registry organization type name, tax registry unit name, tax registry authority county or city, tax registry last change reason, tax registry last change date, tax registry reason description: 1 day)
- [Latinfo, free, GET /pe/ruc/{ruc}](https://datacircle.dev/company-enrichment-apis/latinfo/free-get-pe-ruc-ruc/llms.txt): $0.00 per 1,000, 15% complete, stored
- [Jobo, free](https://datacircle.dev/company-enrichment-apis/jobo/free/llms.txt): $0.00 per 1,000, 85% complete, 180 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 2026-11-10.

- https://dev.kernel.ai/api-reference/endpoint/get-credits.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dev.kernel.ai/api-reference/endpoint/get-firmographics-job.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dev.kernel.ai/api-reference/endpoint/get-firmographics.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dev.kernel.ai/api-reference/introduction.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dev.kernel.ai/api-reference/openapi.json?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dev.kernel.ai/api-reference/schemas/firmographic-result.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://dev.kernel.ai/guides/api-keys.md?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing
- https://www.kernel.ai/kernel-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=company-enrichment-api-pricing