Datacircle

Canonical pricing: company discovery API, POST /api/v1/lookup

Canonical's siteThis page as plain textCompany discovery API: the best of 80+ providers comparedCanonical: company discovery API alternatives

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23% complete: 3 of the 13 fields on our checklistSee the 13 fields
$0.00per 1,000 companiesWe haven't run Canonical through our company discovery API benchmark yet.This plan is free. We rank 899 plans for company discovery APIs by price. Half the plans cost $1.00 per 1,000 companies or less. See the best free company discovery API plan.StackScan's $189 monthly plan is the cheapest paid plan per 1,000 companies. StackScan's $189 monthly plan charges nothing per call. You get as many companies as StackScan's rate limit allows.PeopleSearch.im's $5 pack covers any number of companies. PeopleSearch.im's $5 pack costs less up front than StackScan's $189 monthly plan.GetProspect, Hunter and PeopleSearch.im are the best company discovery API providers in the Datacircle benchmark.
Type a number to see the cheapest Canonical plan for that many companies. The table below then sorts the other plans by what each costs.
Plan: Free one of Canonical's 7 plans
Call: POST /api/v1/lookup one of Canonical's 3 calls for this API
API: Company discovery API one of Canonical's 5 APIs

About this item

  • Stored. You get companies from Canonical's database. Canonical doesn't say how old the data is.
  • 3 of the 13 fields on our checklist. Description, Employees, Headquarters.
  • Nothing to pay. You get 250 credits, enough for 250 pages. Calls stop once your credits run out.
  • One call. You send name to POST /api/v1/lookup. You can also send k and disambiguation_mode. The call returns the matching companies.
  • Who can get it: with conditions. Keep data: during the Subscription Term. Use data: with conditions.

Canonical: company discovery API alternatives

Canonical alternatives: other company discovery API providers by price

We list other providers' plans closest to this plan in price per 1,000 companies. Each plan in the table gives stored data.

This planCanonical, free, POST /api/v1/lookupGetProspect, freeHunter, free, POST /discoverPeopleSearch.im, freeAnVendor, free, POST /v1/leads/searchBigdata.com, free
$ per 1,000 companies$0.00$0.00$0.00$0.00$0.00$0.00
Completeness23%62%54%38%23%31%
Billingfreefreefreefreefreefree
Pay$0$0$0$0$0$0
Enough for250 pagesno limit2,160,000 pages a monthno limitno limitnot published
Freshnessstoredstoredstoredstoredstoredstored
Who can get itanyone aged 18 or over with the legal capacity to enter a binding contract, no card requiredanyone 16 or overanyone 18 or overnew accountsanyone 18 or over, for their own internal business purposesanyone at least 18 years old (an individual, or a business through its admin), self sign-up, no card required

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

  1. trycanonical.ai
  2. trycanonical.ai/api/v1/openapi.json
  3. trycanonical.ai/documentation/rate-limits
  4. trycanonical.ai/documentation/reference
  5. trycanonical.ai/pricing
  6. trycanonical.ai/refund-policy
  7. trycanonical.ai/terms

Product details

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

  • Description
  • Industry, not in the answer
  • Type and status, not in the answer
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees
  • Social profiles, not in the answer
  • 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 companies$0.00
Perpage, size not stated
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Search companies (natural language) · Search companies (NL or structured) · Find similar companies · Get company details · Find people · Look up people by name
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchDisambiguate free-text company names into canonical domains before chaining into search, similar, or details calls.
Data
Freshnessstored
Keep dataduring the Subscription Term
Use datalicence "to access and use the Service and Content solely for your internal personal or business use as expressly permitted by the Service". "You agree that you will not, and will not permit any third party to: copy, reproduce, modify, translate, adapt, create derivative works of, publicly display, publish, distribute, sell, sublicense or otherwise exploit any portion of the Service or the Content, except as expressly permitted by these Terms, redistribute, resell, lease, share, host or otherwise make available the Service or any Content (in original or derivative form) to or for the benefit of any third party, including by way of any service bureau, data feed, white-label or syndication arrangement, use the Service or Content to train, fine-tune, evaluate, benchmark or otherwise develop any artificial intelligence, machine learning or large language model, or to create any product or service that is competitive with the Service, scrape, crawl, harvest, index, mine or otherwise extract data or Content from the Service by automated or manual means, except via interfaces and to the extent expressly authorised by us in writing, [...] circumvent, disable, interfere with or attempt to bypass any security, authentication, rate-limiting, billing, usage tracking or access-control feature of the Service, [...] remove, obscure or alter any proprietary notice, attribution or branding contained in the Service or the Content"
Plan
Pay$0
You get250 credits
Enough for250 pages
Rate limit
Per day1,000
Per second0.33
Batch10
Speed
Answerin the call
The call
You sendname. Optional: k, disambiguation_mode
MethodPOST
Path/api/v1/lookup
About the plan
PlanFree
Who can get itanyone aged 18 or over with the legal capacity to enter a binding contract, no card required
The 11 fields the plan's answer can hold

name, domain, headquarters, description, employee count, primary candidate, match type, payload richness, confidence, auto resolve recommended, primary candidate domain

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