Datacircle

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

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

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

15% complete: 2 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/competitors 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.
  • 2 of the 13 key fields we check. Description, Headquarters.
  • Nothing to pay. You get $1 of credit once, enough for 20 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/competitors. 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/competitorsFindymail, $2,490 yearlyLinkCensus, $149 packDiscoLike, $1,599 monthlyThe Companies API, $950 yearly
$ per 1,000 companies$1.482$1.383$1.49$1.50$1.583
Completeness15%23%15%69%92%
Billingyearlyyearlypay firstmonthlyyearly
Pay$480$2,490$149$1,599$950
Enough for1,800 pages a month1,800,000 results a year1,000 pages a month1,066,000 results a month50,000 results a month
Freshnessunknownunknownstored30 daysstored
Who can get itanyone with an eligible accountanyone 18 or overanyoneanyone 18 or over with a business email address (Gmail, Yahoo and Outlook addresses are refused), for their internal business purpose, the only plan that lets you embed the data in a customer-facing productanyone

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/competitors
  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
  • Industry and type, not in the answer
  • Images, not in the answer
  • Technologies, not in the answer
  • Employees, not in the answer
  • Headquarters
  • Locations, not in the answer
  • Funding, not in the answer
  • Revenue, not in the answer
  • Domain, not in the answer
  • Followers, not in the answer
  • Contact, not in the answer
Price
$ per 1,000 companies$0.00
Perpage of 15
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 · Similar Websites · 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 pitchThe sites competing for the same organic keywords, best first.
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 for20 pages, once
Expires30 days after the account is verified
Rate limit
Per second5
Batch1
Speed
Answerin the call
The call
You senddomain_name
MethodPOST
Path/api/v1/website/competitors
About the plan
PlanFree $1
Who can get itanyone with a verified account
The 12 fields the plan's answer can hold

target, country, keywords checked, competitor domain, competitor score, competitor domain authority, shared keywords, overlap percentage, average position, competitor organic keywords, competitor traffic, updated at

Best GTM APIs