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Mailrook pricing and alternatives: cached company enrichment API

Mailrook's sitellms.txtBest cached company enrichment API in 2026
46% complete: 6 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companies
Plan: Free forever one of Mailrook's 6 plans
Call: GET /v1/enrich/{input} Mailrook's only call
API: Cached company enrichment API one of Mailrook's 2 APIs

About this item

  • Stored. You get company profiles from Mailrook's database. Mailrook doesn't say how old its data is.
  • 6 of the 13 key fields we check. Industry, Type and status, Technologies, Employees, Social profiles, Headquarters.
  • Nothing to pay. You get 25 credits a day, enough for about 12 calls. Unused credits expire: resets daily at midnight UTC.
  • One call. You send input to GET /v1/enrich/{input}. You can also send fields and include. The call returns the company profile.
  • Anyone can get it. Keep data: no API terms. Use data: no API terms.

Mailrook: cached company enrichment API alternatives

We list other providers' plans closest to this plan in price per 1,000 companies. Each plan in the table gives stored data, not live data, like this plan.

This planMailrook, freeHunter, freeGetProspect, free, Free, POST /v2/companies/enrichAnyAPI, free, Starting balance, POST /v1/run/company_enrichment.prospeograph8, free
$ per 1,000$0.00$0.00$0.00$0.00$0.00
Completeness46%100%69%85%23%
Billingfreefreefreefreefree
Pay$0$0$0$0$0
Enough forabout 12 calls a day250 calls a monthno limitabout 1 call, oncenot published
Freshnessstoredstoredstored (technologies: 30 days)storedstored
Who can get itanyoneanyone 18 or overanyone 16 or overone new account each: anyone 18 or over, for business or professional use, not in an embargoed jurisdiction or on a restricted-party listverified companies with a work email (personal addresses such as Gmail are not accepted), for internal business purposes

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.

  1. mailrook.com
  2. mailrook.com/docs/api
  3. mailrook.com/domain-enrichment-api
  4. mailrook.com/email-validation-api
  5. mailrook.com/legal/privacy
  6. mailrook.com/legal/terms

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
  • Type and status
  • Images, not in the answer
  • Technologies
  • Employees
  • Social profiles
  • Headquarters
  • 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$0.00
Billingfree
Aggregators
Aggregatorsnone
Charges
Repeat freenever
Percall
Also pays forfrom the same budget: Validate a single email · Submit a batch of emails · Upload a file for batch validation
Not found
$ per 1,000$0.00
In their words
Their pitchEverything Behind a Domain, in One Call. What the company does — sector, niche, who it sells to and how, read from its own homepage — plus registrar and registrant, domain age, MX and nameserver records, SPF and DMARC policy, catch-all status and detected tech stack. Structured JSON from a single request.
Data
Freshnessstored
Keep datano API terms
Use datano API terms
Plan
Pay$0
You get25 credits a day
Enough forabout 12 calls a day
Expiresresets daily at midnight UTC
Rate limit
Batch1
Speed
Answerin the call
Median1.64 s
The call
You sendinput. Optional: fields, include
MethodGET
Path/v1/enrich/{input}
About the plan
PlanFree forever
Who can get itanyone
The 58 fields the plan's answer can hold

domain, website URL, website title, website reachable, crawl blocked, CMS, e-commerce platform, tracking pixels, analytics tools, marketing tools, chat widgets, affiliate tools, email security, Twitter handle, Instagram handle, Facebook handle, YouTube handle, TikTok handle, LinkedIn handle, GitHub handle, name, industry, size range, company type, founded year, city, state, country code, category level, category source, sector, sector label, niche, niche label, customer type, customer type label, business model tags, business model tag labels, category confidence, category reason, category reason label, category checked at, taxonomy version, category detail, has SPF, has DMARC, nameserver hosts, A record IP, ASN, ASN organization, registrar, registrant organization, registrant country, domain created at, domain expires at, domain age days, response code, response message

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