Datacircle

Kernel pricing: company enrichment API, POST /v1/entity-resolution

Kernel's siteThis page as plain textCompany enrichment API in 2026: the best of 260+ comparedKernel: company enrichment API alternatives

Is Kernel yours? Write to us about this page. We invite selected tool providers to our WhatsApp group.

15% complete: 2 of the 13 fields on our checklistSee the 13 fields
$0.00per 1,000 companiesWe haven't run Kernel through our company enrichment API benchmark 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.APIs Peru's PEN 30 (about $9) monthly plan 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, TrustMRR and GetProspect are the best company enrichment API providers in the Datacircle benchmark for companies in any country.
Type a number to see the cheapest Kernel plan for that many companies. The table below then sorts the other plans by what each costs.
Plan: Starter allocation Kernel's only plan
Call: POST /v1/entity-resolution one of Kernel's 2 calls for this API
API: Company enrichment API one of Kernel's 2 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 2 of the 13 fields on our checklist. Type and status, Social profiles.
  • Nothing to pay.
  • One call. You call POST /v1/entity-resolution. Every input is optional. The call returns a job. You fetch the answer once the job is done. Or the provider sends the answer to your webhook.
  • Who can get it: with conditions. Keep data: no API terms. Use data: no API terms.

Kernel: company enrichment API alternatives

Kernel alternatives: other company enrichment API providers by price

We list other providers' plans closest to this plan in price per 1,000 companies.

This planKernel, free, Starter allocation, POST /v1/entity-resolutionjobContext, freeGovConAPI, free trial, GET /api/v1/entities/by-cage/{cage}g0v Taiwan Company, free, GET /api/bulkqueryLatinfo, free, GET /pe/ruc/{ruc}
$ per 1,000 companies$0.00$0.00$0.00$0.00$0.00
Completeness15%15%23%23%15%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough fornot publishednot published700 calls, oncenot published1,296,000 calls a month
Freshnessunknownstored1 month1 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)stored
Who can get itbuilders Kernel approves after a request form (name, work email, company, what you want to build), access isn't instantanyoneanyone with an email address: a 14-day key for evaluation, not for production use, one trial per addressanyoneanyone with a GitHub or Google account, one account per person or organization

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.

  1. dev.kernel.ai/api-reference/endpoint/combined.md
  2. dev.kernel.ai/api-reference/endpoint/create-entity-resolution.md
  3. dev.kernel.ai/api-reference/endpoint/get-credits.md
  4. dev.kernel.ai/api-reference/endpoint/get-entity-resolution.md
  5. dev.kernel.ai/api-reference/introduction.md
  6. dev.kernel.ai/api-reference/openapi.json
  7. dev.kernel.ai/api-reference/schemas/entity-resolution-result.md
  8. dev.kernel.ai/guides/api-keys.md
  9. kernel.ai/kernel-api

Product details

The key fields this plan's answer can hold, then each filled column in its row on the sheet.

  • Description, not in the answer
  • Industry, not in the answer
  • Type and status
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees, not in the answer
  • Social profiles
  • Headquarters, not in the answer
  • Locations, not in the answer
  • Funding, not in the answer
  • Revenue and budgets, not in the answer
  • Parents, not in the answer
  • Phones, not in the answer
Price
$ per 1,000 companies$0.00
Percall
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Enrich firmographics · Resolve parent
Not found
$ per 1,000$0.00
In their words
Their pitchSend a messy record, a name and a domain, and get back a resolved entity. Anchored to a persistent KERN ID that survives rebrands, domain changes, and acquisitions.
Data
Keep datano API terms
Use datano API terms
Plan
Pay$0
Rate limit
Batch1
Speed
Answerby polling or webhook
The call
You sendnothing required. Optional: legal_name, trading_name, website, linkedin_url, country, city, state, postal_code, address, email, phone, external_id, company_registration_number, company_registration_country, kernel_id, match_to_linkedin, identity_bias, webhook_url
MethodPOST
Path/v1/entity-resolution
About the plan
PlanStarter allocation
Who can get itbuilders Kernel approves after a request form (name, work email, company, what you want to build), access isn't instant
The 27 fields the plan's answer can hold

Kernel ID, previous Kernel IDs, external ID, company registration number, company registration country, company registration source, identity type, identity confidence, identity reasoning, legal name, legal trading name, legal website, legal country, legal confidence, legal reasoning, trading name, trading website, trading country, trading confidence, trading reasoning, entity type, entity subtype, entity classification reasoning, LinkedIn URL, LinkedIn slug, LinkedIn match type, LinkedIn match reasoning

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