One technology report pays for the month
Single website lookups are free on Ful.io — forever.
Individual
- Exportable company lists (CSV)
- Country, TLD & industry filters
- Bulk domain lookup
Professional
- REST API & MCP server
- HubSpot CRM enrichment
- Priority support
Business
- 10x API throughput
- Higher bulk limits
- Onboarding assistance
Upgrade when you need more technology reports, bulk lookups, or API access. No contracts, cancel anytime.
One dataset, powering every plan
Every account, free or paid, queries the same live web-technology intelligence dataset. You only pay for volume and the tools you use.
Technology reports
Every company using a technology, filtered by country, TLD, vertical and socials.
Technology lookup
The full stack of any website: CMS, frameworks, analytics, payments, hosting.
Country & region
Detected country, state or region and hreflang signals for every domain.
Industry verticals
Business vertical classification to segment and target by industry.
Domain popularity
Global popularity ranking so you can prioritise the domains that matter most.
Compare technologies
Market reach and regional footprint of any two technologies, side by side.
API & MCP
The same data programmatically, or connected to an AI agent over MCP.
CRM & extensions
Push to HubSpot, or identify any site's stack from your browser toolbar.
Always fresh
Continuously re-crawled, so technology signals update as the web changes.
Every detail, side by side
| Feature | Free | Individual | Professional | Business |
|---|---|---|---|---|
| Monthly credits | ||||
| Technology reports | – | 2 | 5 | Unlimited |
| Single technology lookups | Unlimited | Unlimited | Unlimited | Unlimited |
| Bulk lookup credits | 25 | 2,500 | 10,000 | 20,000 |
| API credits | – | – | 2,000 | 20,000 |
| Reports & export | ||||
| Exportable technology reports (CSV) | – | ✓ | ✓ | ✓ |
| Bulk website lookup (CSV upload) | ✓ | ✓ | ✓ | ✓ |
| Developer & integrations | ||||
| REST API access | – | – | ✓ | ✓ |
| MCP server (AI agents) | – | – | ✓ | ✓ |
| HubSpot CRM enrichment | – | – | ✓ | ✓ |
| Support | ||||
| Support | Community | Priority | Priority + onboarding | |
| Cancel anytime | ✓ | ✓ | ✓ | ✓ |
Need more than Business?
Custom credit volumes, dedicated infrastructure, and tailored data pipelines. From $799+/mo.
Trusted by businesses worldwide
Ful.io has been a game-changer for our market research. Instantly analyzing what technologies our competitors use has helped us make informed decisions about our own stack.
Before, our R&D team tried BuiltWith, then built our own. With Ful.io, we save both time and money, and it changed how we look at traffic and identify prospects.
Any ecommerce platform not using Ful.io is seriously missing out. Figuring out the technologies a company uses, and the speed we can draw in new clients now… Ful.io is amazing.
Billing & credits, answered
What counts as a credit?
How big is a technology report?
Do unused credits roll over?
What happens if I run out of a credit type?
Can I upgrade, downgrade, or cancel anytime?
Is there a discount for annual billing?
Which plans include API, MCP & CRM enrichment?
Start free. Upgrade when you're ready.
25 technology lookups every month, no card required. Scale up the moment you need reports or API access.