Home Explorer Connect API Documentation About
Konnex Data API

Programmatic access to 2.4M+
verified business contacts.

REST API, JSON responses, credits that never expire. Built for developers and enterprise buyers.

1.5M+
Businesses
673K+
Verified Emails
121
Industries
99.9%
Uptime

One request. Real data.

Search is free. You only spend credits when you retrieve contact details.

Request
curl -X GET \
  'https://api.konnexlabs.com/api/v1/search?industry=mortgage-broker&state=TX&city=austin' \
  -H 'Authorization: Bearer kx_live_your_api_key'
Response
{
  "total": 847,
  "limit": 25,
  "offset": 0,
  "results": [
    {
      "id": "biz_9f8e7d6c",
      "name": "CrossCountry Mortgage",
      "industry": "mortgage-broker",
      "city": "Austin",
      "state": "TX",
      "rating": 4.8,
      "has_contacts": true
    }
  ]
}

Simple credit-based pricing

Search and filter for free. Pay only when you retrieve contact details. Credits never expire.

Free
Try with real data
$0 USD
100 credits / month
Resets monthly
  • REST API access
  • All endpoints
  • 60 requests / minute
  • No credit card required
Start free
Dev
Small integrations
$65 USD
$0.19 per record
350 credits
  • REST API access
  • All endpoints
  • 60 requests / minute
  • Credits never expire
Get API key
Scale
High-volume platforms
$249 USD
$0.14 per record
1,750 credits
  • Everything in Agency
  • Dedicated support
  • 60 requests / minute
  • Credits never expire
Get API key
Volume
Enterprise-grade volume
$499 USD
$0.12 per record
4,000 credits
  • Everything in Scale
  • Bulk export support
  • 60 requests / minute
  • Credits never expire
Get API key
Enterprise
Custom solutions
Custom
~$500/month min
Custom credits
  • Everything in Volume
  • Custom rate limits
  • SLA guarantee
  • Dedicated account manager
Contact us

Credits never expire (except Free tier). No subscription required. Buy once, use whenever.

Built for developers

Everything you need to integrate verified business contact data into your product.

REST API
Standard REST endpoints. JSON responses. Works with any language or framework.
Search free
Browse and filter 2.4M+ businesses without spending a single credit.
Usage dashboard
Track your API calls, credit balance, and usage patterns in real time.
Credits never expire
Buy credits once and use them on your own schedule. No subscriptions, no pressure.