Lead Quality API

Don't Pay forBad Leads.

Agencies waste 30% of their budget on renters, empty homes, and fake addresses. Run your list through LeadCheck to verify Tenure, Income, and Property Type instantly.

The Validation Process

Invalid Lead

REJECT

A typical "bad" lead that wastes call centre time:

  • Tenure Social Housing ❌
  • Income < £15k (Low Affordability)
  • EPC Not Found / Invalid

Verified Lead

APPROVE

A validated lead ready for your sales team:

  • Tenure Owner-Occupied ✅
  • Income £50k+ (High Affordability) ✅
  • Property Semi-Detached (Post-1980)

Why Agencies Use LeadCheck

1. Increase Contact Rate

By filtering out invalid addresses and renters, your dialler connects with decision-makers more often. Stop calling people who legally cannot buy your product.

2. Reduce CPA

Cost Per Acquisition drops when you stop processing bad data. If you buy leads, use our API to reject bad leads in real-time before you pay for them.

3. Protect Reputation

High bounce rates and calling TPS-registered numbers harms your domain reputation. Clean data keeps your email deliverability high and your phone lines open.

Frequently Asked Questions

Can I integrate this into my landing pages?

Yes. Our API has a sub-100ms response time. You can validate a lead the moment a user clicks "Submit" on your web form.

Does this work for cold data?

Absolutely. Upload your cold marketing list (CSV) and we will flag the "Social Housing" and "Private Rental" rows so you can delete them.