Instantly

Instantly.ai is a web-based sales engagement and cold email platform for B2B sales teams, founders, and agencies that need to find prospects, run high-volume outreach, and manage replies without sacrificing deliverability.

Key capabilities include:

• Unlimited sending accounts with automated warmup and deliverability tooling (account rotation, health monitoring, inbox placement support, suppression lists)
• AI Copilot for lead targeting, sequence drafting and personalization, reply classification and triage, plus performance insights
• SuperSearch B2B lead database with verification, enrichment, and waterfall sourcing to build targeted prospect lists
• Sales cadences and inbox workflow including condition-based subsequences, spin syntax for variations, a unified inbox (Unibox), and multichannel support (email, SMS, calls)

Pricing: Flat-fee paid plans with a free trial (no credit card required).

What makes it notable: it supports scaling outbound without per-seat fees, combines lead intelligence, deliverability, outreach, and CRM-style pipeline tracking in one place, and emphasizes inbox placement controls for large-volume cold email programs.