Insights & Resources
Notes on buying inbound calls: voice AI, ring pools, real-time bidding, and tracing each call to its sale.
Call Attribution From Click to Sale: One Record per Caller
Follow one inbound call from click to sale: what a per-visitor tracking number carries, how the voice agent uses the form, and how callbacks keep their click.
Pay-Per-Call Has a Lemons Problem. Here Is How Buyers Fix It
Call sources often know more about each call than buyers do. How Akerlof's market for lemons plays out in pay-per-call, and which checks put facts back in view.
Judge Call Sources by Policies That Last, Not Day-One Sales
Same-day sales give a noisy view of call sources. Compare sample sizes and mature cohorts, then judge each source by policies still in force at 90 days.
The Loop With a Gate: How Q Optimizer Runs the Autoresearch Pattern on Call Buying
Karpathy left an agent running overnight and woke up to 700 changes. TapQuality runs the same pattern on your campaigns: the metric is CPA, locked rules score every experiment, and you approve what ships.
Meet TapQuality: The AI-Native Call Platform for World-Class Marketers
TapQuality is a buy-side RTB platform for inbound phone calls. Real-time bidding, checks before every bid, billing only on billable calls, and an AI analyst, built for buyers.
RTB vs. Direct Call Buying: Which Model Wins?
A head-to-head comparison of real-time bidding exchanges and direct publisher deals for inbound call buying. Pricing, quality control, scale, optimization speed, and attribution compared.
What Is Propensity Scoring for Inbound Calls?
Propensity scoring predicts caller quality before the auction runs. Learn how it works, what signals it uses, and how it reduces CPA for call buyers.
How to Close the Loop on Google Ads Call Conversions
Google Ads optimizes for clicks, not sales. Here is how to feed call conversion data back to Smart Bidding so Google optimizes for the calls that actually make money.