Datacircle

Ful.io: 5 company technology API plans

46% complete: 6 of the 13 key fieldsSee which

$99.50per 1,000 companiesThe median plan costs $16.50 per 1,000. This plan costs less than 15% of the 92 priced plans.
Plan: Professional one of Ful.io's 5 plans
Call: GET /api/domain-search Ful.io's only call

About this item

  • Freshness. Ful.io doesn't say how fresh a company's tech stack is.
  • 6 of the 13 key fields. Technology, Categories, About, Places, Contact, Social.
  • A monthly subscription. You pay $199 for 2,000 credits, enough for 2,000 calls. Credits are reset at the start of each billing period.
  • One call. You send domain to GET /api/domain-search. The call returns the technologies the company uses.
  • Anyone can get it. Keep data: no limit. Use data: with conditions.

Compare with similar plans

Other providers' plans with the closest prices per 1,000.

This planFul.io, $199 monthlyTechnologyChecker, $89 monthly, Pro, GET /v1/technology-lookup-liveFindymail, $49 monthlyTheirStack, $49 monthlyBuiltWith, $2,950 yearly
$ per 1,000$99.50$44.50$49.00$98.00$122.917
Completeness46%23%23%23%85%
Billingmonthlymonthlymonthlymonthlyyearly
Pay$199$89$49$49$2,950
Enough for2,000 calls a month2,000 calls a month1,000 calls a month500 calls a month2,000 results a month
Freshnessnot publishedlivenot published1 daystored
Who can get itanyoneanyone 18 or overanyone 18 or overa legal entity (the terms' User is 'the legal entity that subscribes to or accesses the Services', its Authorized Users are its employees)businesses: BuiltWith does not provide or sell data services to consumers

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. ful.io/documentation/api
  2. ful.io/faq
  3. ful.io/pricing
  4. ful.io/terms

Product details

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

  • Technology
  • Categories
  • When and where seen, not in the answer
  • Spend, not in the answer
  • Apps, not in the answer
  • About
  • Size, not in the answer
  • Places
  • Traffic, not in the answer
  • Rank, not in the answer
  • Contact
  • Social
  • Reviews, not in the answer
Price
$ per 1,000$99.50
Billingmonthly
$ a month$199
Aggregators
Aggregatorsnone
Charges
Percall
Also pays forTechnology reports (5 a month)
Not found
$ per 1,000$0.00
In their words
Their pitchLook up the technology stack of any website and check your subscription usage through a simple, authenticated REST API.
Data
Keep datano limit
Use dataWhen using our Services, you agree not to: Reproduce, distribute, or resell any content from our Services without prior written consent. Use automated methods to extract data or disrupt the Services. Engage in any unlawful, harmful, or fraudulent activities. Use our Services to transmit spam, malware, or other harmful content. [...] Ful.io may establish limits on usage, such as the number of API requests you can make. Attempts to circumvent these limitations may result in the termination of access.
Plan
Pay$199
You get2,000 credits a month
Enough for2,000 calls a month
Expiresreset at the start of each billing period
Rate limit
Batch1
Speed
Answerin the call
The call
You senddomain
MethodGET
Path/api/domain-search
About the plan
PlanProfessional
Who can get itanyone
The 16 fields the plan's answer can hold

domain, title, meta description, social profiles, domain established date, technologies, technology category, technology description, technology icon, technology website, technology slug, country, region, industry, emails, email count