Datacircle

Seonio pricing: similar companies API, POST /api/v1/website/similar

Seonio's siteThis page as plain textSimilar companies API: the best of 20+ providers comparedSeonio: similar companies API alternatives

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8% complete: 1 of the 13 key fields we checkSee the 13 fields
$0.00per 1,000 companiesWe haven't run Seonio through our similar companies API benchmark yet.This plan is free. We rank 135 plans for similar companies APIs by price. Half the plans cost $1.33 per 1,000 companies or less.PublicWWW's $499 monthly plan costs the least per 1,000 companies: $0.000055. PublicWWW charges for each page of results. We count 1,000,000 companies on each page to get the $0.000055 price.ZoomInfo's $45 pack covers any number of companies. ZoomInfo's $45 pack costs less up front than PublicWWW's $499 monthly plan.ScrapeAtlas, LeadMagic and Tomba are the best similar companies API providers in the Datacircle benchmark.
Type a number to see the cheapest Seonio plan for that many companies. The table below then sorts the other plans by what each costs.
Plan: Free $1 one of Seonio's 10 plans
Call: POST /api/v1/website/similar one of Seonio's 2 calls for this API
API: Similar companies API one of Seonio's 8 APIs

About this item

  • Freshness. We don't know how fresh this plan's data is.
  • 1 of the 13 key fields we check. Domain.
  • Nothing to pay. You get $1 of credit once, enough for 1,000 pages. Calls stop once your credit runs out. Unused credit expires 30 days after the account is verified.
  • One call. You send domain_name to POST /api/v1/website/similar. You can also send limit. The call returns companies similar to the company you send.
  • Who can get it: anyone with a verified account. Keep data: no limit. Use data: with conditions.

Seonio: similar companies API alternatives

Seonio alternatives: other similar companies API providers by price

The table starts with Seonio's cheapest paid plan. Next come plans from other providers with the price per 1,000 companies closest to Seonio's.

Seonio, $480 yearly, Business (yearly), POST /api/v1/website/similarPublicWWW, $49 packCompanyPulse, £29.99 monthlyScrapeAtlas, $89 packOpenMercantil, €57 monthly
$ per 1,000 companies$0.018$0.0049$0.013$0.018$0.021
Completeness8%15%0%8%0%
Billingyearlypay firstmonthlypay firstmonthly
Pay$480$49£29.99$89€57
Enough for90,000 pages a month100 pages10,000 pages a day50,000 pages5,000 pages a day
Freshnessunknownstoredunknownliveunknown
Who can get itanyone with an eligible accountanyone of legal age to form a binding contract (a login is for one person)anyone with a CompanyPulse account and an API keyanyone at least 18 and legally able to enter the agreement, a business's account holder must be authorized to bind itanyone

Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-06.

  1. seonio.com/pricing
  2. seonio.com/product/api
  3. seonio.com/product/api/website/similar
  4. seonio.com/terms

Product details

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

  • Match, not in the answer
  • Description, not in the answer
  • Industry and type, not in the answer
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees, not in the answer
  • Headquarters, not in the answer
  • Locations, not in the answer
  • Funding, not in the answer
  • Revenue, not in the answer
  • Domain
  • Followers, not in the answer
  • Contact, not in the answer
Price
$ per 1,000 companies$0.00
Perpage of 25
Billingfree
Aggregators
Aggregatorsnone
Charges
Also pays forfrom the same budget: Keyword Research · Keyword Difficulty · Keyword Intent · Keyword Demographics · Keyword Clustering · Keyword Suggestions · Keyword Metrics by Country · SERP · SERP Scraper · Scraper · Website Traffic · Website Ranking · Website Category · Website Competitors · URL Stats · URL Keywords · Website Stats · Backlink History · Backlink Table · AI Visibility Report · AI Visibility Result · Site Audit · Site Audit Result · Seonio SEO Agent · SEO Page Checker
Overage
Units caphard
Not found
$ per 1,000$0.00
In their words
Their pitchTraffic-ranked sites in the same category.
Data
Keep datano limit
Use data[...] you may use reports, API responses, and outputs generated through your account for: your internal business purposes, your own websites, products, applications, and projects, client work performed by you or your organization, integrations that use Seonio data as part of a broader product or workflow, provided that you comply with these Terms and applicable law [...] You must not: resell standalone access to Seonio, resell or sublicense API access, API keys, or your account, resell raw datasets, raw API responses, or raw outputs as a separate data product, use the Service or outputs to build a substantially similar competing service without our written permission, misrepresent Seonio outputs as official, guaranteed, real-time, or independently verified data, remove or obscure any usage restrictions, source notices, or attribution requirements that may be shown in the Service
Plan
Pay$0
You get$1
Enough for1,000 pages, once
Expires30 days after the account is verified
Rate limit
Per second5
Batch1
Speed
Answerin the call
The call
You senddomain_name. Optional: limit
MethodPOST
Path/api/v1/website/similar
About the plan
PlanFree $1
Who can get itanyone with a verified account
The 4 fields the plan's answer can hold

domain, similar site domain, monthly traffic, traffic change year over year

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