Access Australia's Largest B2B Business Database

Australia's #1 prospecting platform.

  • Largest B2B database, updated daily
  • Highly accurate contact data
  • Create highly-targeted lists
  • Enrich your CRM via API & Zapier

Trusted by thousands of Australia's top sales & recruitment teams

Boost your sales

Access Australia's largest B2B business database

HR & Recruitment

Search & track candidates. Review company job and analytics such as churn, salaries and growth.

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Sales & Marketing

Build highly targeted sales lists. Access Australia's most up-to-date contact data.

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Data Enrichment

Import lists or missing data into your database or CRM with a single connection.

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Unmatched Australian B2B Data

Enrich your data in real time

People, marketing or company records — our datasets span 15+ categories with millions of data points.

Fresh B2B data

Every record is refreshed each month so you stay ahead of competitors.

On-demand access

No hosting required. Proprietary matching logic surfaces quality data instantly.

Built to scale

Industry-leading latency for any speed or volume need.

Free trial

Sign up free and test the KnowFirst™ API against the live database.

Multiple filters

Detailed multi-axis filtering narrows down search precisely.

Historical data

2+ years of data for model training and forecasting industry trends.

// KnowFirst API

Australia's business data, on tap.

One API for 3M+ company profiles, team data, and 15+ categories of marketing & competitive intelligence. Search, enrich and stream — straight into your CRM or app.

  • Search & filter across 238M+ records
  • Real-time enrichment by domain, ABN or name
  • Webhooks for news, hires, jobs & reviews
api.knowfirst.ai/v1
live

Business B2B Data

  • Full company overview
  • Map company locations
  • Dig into company structures
  • Financial performance
  • Registered trademarks

People Data

  • Track talent movement
  • Source best-fit talent
  • Job-based lead generation
  • Salary & hiring trends
  • Key personnel records

Marketing Data

  • Social analytics
  • Organic & paid search metrics
  • Competitor follower trends
  • Review changes over time
  • Key domain information

+ Much More

  • Tech stacks & domain data
  • News & media alerts
  • Contract & tender wins
  • Award nominations
  • Finance & investment data

Using KnowFirst™

How does it work?

Built for developers, by developers. Make data-driven decisions to gain a competitive edge — in our platform or yours via API and CRM integrations.

REST API
Zapier
CRM Connectors
Web Platform
api.knowfirst.ai/v1/company
GET /v1/company?abn=53004085616
Authorization: Bearer kf_••••

{
  "name":     "Atlassian Pty Ltd",
  "industry": "Software",
  "state":    "NSW",
  "employees": 11800,
  "growth_yoy": "+12%",
  "techstack": ["AWS","React","Kafka"],
  "people": [
    { "role": "CEO",  "name": "..." },
    { "role": "CTO",  "name": "..." }
  ],
  "alerts": [
    "Press: $500m secondary",
    "Hiring spike: +180 roles"
  ]
}
200 OK · 84ms

Our customers

Trusted by businesses, loved by developers

"Using KnowFirst™ helped me put together a killer pitch to my client. The real-time alerts also made sure I had the most up-to-date information."

A
A. Waterson
Head of Marketing

"I've used many tools to gather data, but none have been as efficient and reliable as the KnowFirst™ API. I extract what I need in seconds."

M
M. Elliott
Product Developer

"KnowFirst™ gives me the leading edge. I use it to stay up to date with our company and our competitors."

T
T. Bahemia
Chief Operations Officer

"KnowFirst™ helps me when researching competitors and putting together strategic plans. One website, all the info."

C
C. Morrison
Executive Assistant to the CEO

"Using KnowFirst™ helped me put together a killer pitch to my client. The real-time alerts also made sure I had the most up-to-date information."

A
A. Waterson
Head of Marketing

"I've used many tools to gather data, but none have been as efficient and reliable as the KnowFirst™ API. I extract what I need in seconds."

M
M. Elliott
Product Developer

"KnowFirst™ gives me the leading edge. I use it to stay up to date with our company and our competitors."

T
T. Bahemia
Chief Operations Officer

"KnowFirst™ helps me when researching competitors and putting together strategic plans. One website, all the info."

C
C. Morrison
Executive Assistant to the CEO

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