Category: Contact Data Tools

A buyer-grade definition of contact data quality using four dimensions (accuracy, recency, verification, connectability) tied to connect rate. Includes a feature gap table, weighted checklist, and decision tree with a stop condition to avoid hidden costs.

A buyer-auditor explanation of what it means to verify mobile numbers: line type, phone number validation beyond formatting, recency, and confidence levels. Includes an audit table, weighted checklist, a stop condition, and a test plan using your own list.

A buyer/auditor method to test direct dial accuracy using connect rate, data freshness, and reassignment outcomes—plus a 7-step plan you can run on your own list.

Cell phone data coverage varies by ICP fit, geography, seniority, and data freshness. This page defines coverage vs accuracy, explains match rate, and gives a step-by-step plan to test providers using your own list.

A plain-English, audit-minded guide to contact data compliance under GDPR and CCPA: permissible use, legitimate interest, retention, and opt-out handling—plus vendor due diligence and decision tools.

A senior-operator method to evaluate Swordfish data accuracy using connect rate and answer rate, with variance explained by recency, list quality, seats, and API/integration workflow.

A buyer/auditor guide to Swordfish data accuracy using the Accuracy Triad (match rate → verification → connect rate), with a reproducible test plan, variance drivers, and what to log for auditability.

A cynical buyer’s FAQ on contact data accuracy: verified contact data, direct dial, mobile vs VoIP, data freshness, compliance, permissible use, and opt-out. Includes a feature gap table, weighted checklist, and a stop-condition decision tree.

A cynical buyer’s guide to contact data pricing: credits vs unlimited, true unlimited + fair use, seat licenses, add-ons, throttling, API usage, and how to test vendors with your own list.

A cynical buyer’s guide to unlimited contact credits: what “true unlimited” and fair use actually mean, where throttling and usage limits hide, and how to test variance with your own list.