Instantly is a cold email platform built around one core idea: unlimited sending accounts. By rotating outreach across many warmed-up inboxes, teams can send at scale without destroying deliverability — a game-changer for agencies and high-volume outbound teams.
Product Overview
Instantly's unique value is its Unibox — a unified inbox aggregating replies from all connected accounts — and its automatic warm-up network that continuously improves sender reputation. Its B2B lead database (160M+ contacts) and AI campaign builder let teams launch outbound campaigns end-to-end within the platform.
Key Features
- Unlimited Sending Accounts: Connect unlimited email accounts and rotate sending to maximise deliverability.
- Warmup Network: Automated inbox warm-up using a real-email network of 1M+ accounts.
- Unibox: Unified inbox aggregating all replies across every connected email account.
- B2B Lead Database: 160M+ verified contacts with intent data and advanced filtering.
- AI Campaign Builder: Generate personalised email sequences with AI in minutes.
Best For
Agencies, growth hackers, and outbound-heavy SDR teams running high-volume cold email campaigns across multiple clients or domains.
Pricing
Growth at $30/month; Hypergrowth at $77/month; Light Speed at $286/month. Lead database add-on available.
Key Integrations
HubSpot, Pipedrive, Salesforce, Zapier, Slack, Webhook
Pros
- Unlimited sending accounts is a genuine differentiator
- Excellent deliverability tooling
- Very competitive pricing
- Fast-growing platform
Cons
- Less suited for complex multi-channel sequences
- Reporting lacks depth
- Not designed for inbound or full CRM use
