B2B Data

Outreach deprecated relationship filtering, include-on-create, and the implicit count metadata. Here's how to migrate each one without doubling your 429 rate.

Clay charges credits whether or not a waterfall lookup hits. Cheap-first ordering, early-exit gates, and domain pre-filtering halve the burn.

Apollo bounces above 3% trigger spam penalties within a week. Filter sequences to Verified + Likely to engage; route Risky through a second-pass verifier.

The US and UK numbers look fine. It's when the territory expands — a DACH prospect list, a Singapore pilot, a batch of accounts in the Nordics — that Lusha starts returning gaps: missing phone numbers, email addresses that bounce, contacts that simply don't appear in

52% of sales professionals report ZoomInfo intent false positives. Here's how to filter WebSights IP misattribution and broad-topic noise before routing signals to your SDRs.

A cheap-first, conditional-gate recipe for a 5-step Clay waterfall that lands at 85-95% match rate on US tech lists and roughly 5.6 Data Credits per row under the post-March-2026 pricing model.

Salesforce duplicate rules enforce on the UI but bypass silently on Bulk API, Data Loader, and Apex with allowSave=true. A four-check audit catches the leak before months of dirty CRM data accumulate.