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Instantly.ai

Cold email platform with unlimited sending accounts and AI-powered sequence optimization.

Paid·All audiences·Powered by OpenAI, Anthropic, and others·API available
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Key strengths

Cold email outreach at scaleEmail deliverability and inbox placementAI Sales Agent and AI Reply AgentLead database with 450M+ B2B contactsUnlimited email accounts and warmupMulti-mailbox management for agenciesAI-powered campaign automation
Paid only · from $47 USD/mo
San Francisco, US
Founded 2022

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Recent changes

  • Starting price: $37/mo → $47/mo
  • Models updated: OpenAI, Anthropic, and others
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Instantly — Technical Overview

Instantly is a Sales Engagement and Lead Intelligence platform built for high-volume cold email outreach. It exposes a public API, enabling developers to integrate campaign management, lead data, and reply automation into custom workflows and internal tooling.

Key technical capabilities:

  • API access for programmatic control over campaigns, leads, and account management
  • AI Sales Agent & AI Reply Agent powered by models from OpenAI, Anthropic, and others (including ChatGPT and Claude integrations)
  • Unlimited email account connections with automated inbox warmup to maintain deliverability
  • Multi-mailbox management suited for agency-scale infrastructure
  • Lead database of 450M+ B2B contacts queryable for prospecting
  • CRM export and integrations with outreach providers for downstream data flow
  • AI-powered campaign automation for sequencing, personalization, and reply handling

Pricing starts at $47/mo (Growth Outreach plan). Bundle and agency-tier plans available up to $555/mo. Credits for lead database access are sold separately.

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