Tools· Sales & Outreach

Instantly

Sales platform for automated cold email outreach with built-in deliverability infrastructure, a B2B lead database, and AI sequence writing.

automatingexecutablekommerziell

Open provider

Description

Instantly is a platform for automated cold email outreach. At its core is the combination of a searchable B2B contact database (Supersearch, according to the provider more than 450 million entries) with filters by role, company size, tech stack, keywords, and lookalike domains, enrichment of found contacts through several data providers using a waterfall approach, and the actual sending through an unlimited number of sending accounts with built-in warmup. For the copy itself, an AI writing assistant (AI Email Writer Agent) is available, which drafts sequences. According to the provider, a feature called Copilot personalises individual emails based on recipient signals. Replies flow into a shared inbox (Unibox), where AI automatically sorts them with reply labels, and campaigns can run not only through email but also through LinkedIn or webhook steps.

The platform is consistently built around volume: pricing tiers differ mainly by monthly sending volume, number of uploaded contacts, and the Instantly credits allotted per month. Advanced deliverability infrastructure, such as the SISR system with dedicated server and IP blocks or a private deliverability network, is according to the provider reserved for higher tiers and tied there to personal support from an account manager or GTM engineer. For the AI writing features, according to the provider, five major language models are available to choose from, including offerings from OpenAI and Anthropic, or alternatively a user's own API key can be added, which means the quality of generated text also depends on the chosen model.

Instantly connects to tools already in use and exports contacts to major CRMs and outreach providers, while evaluating campaign success by opportunities, pipeline, conversions, and revenue rather than open rates alone. Anyone writing individual, highly personalised emails to a small number of selected accounts will find little value in infrastructure built for this kind of volume; there, the setup effort for warmup and sending accounts barely pays off.

Strengths

Combined lead database and sending

The Supersearch database, with according to the provider more than 450 million B2B contacts, can be filtered directly by role, company size, tech stack, keywords, and lookalike domains and is connected directly to sending.

Built-in deliverability infrastructure

An unlimited number of sending accounts and automatic warmup are included in every plan; at higher tiers, the SISR system adds dedicated server and IP infrastructure.

Waterfall enrichment

The work email of found contacts is enriched through more than five data providers using a waterfall approach. Company profile, job postings, news, and funding data are added separately.

Unified inbox with AI reply labels

Unibox brings together replies from all running campaigns in one place and sorts them automatically using AI-generated reply labels.

Multichannel sequences

Campaigns can run through LinkedIn and webhook steps in addition to email, rather than being limited to a single channel.

Assessment

AI features

AI Email Writer Agent Drafts sequences, replies, and follow-ups, and personalises individual emails based on recipient signals.
Access to multiple language models According to the provider, five major language models are available for copywriting, including offerings from OpenAI and Anthropic, or alternatively a user's own LLM API key can be added.
Web Researcher Agent Listed by the provider as Web Researcher Agent; feature scope not further described on the provider's site.
AI Reply Agent Automatically handles replies to incoming messages in Unibox.

Suitable for

Sales teams running cold email outreach at larger volume who want to bundle lead search, enrichment, and sending in one tool
Agencies and growth teams running multiple sending accounts and domains in parallel that depend on built-in deliverability infrastructure
Teams that want to measure campaign success by pipeline, conversions, and revenue rather than open rates alone
Less suitable for Less suitable for teams that only occasionally write highly personalised emails to a small number of selected accounts; there, the setup effort for sending accounts and warmup barely pays off

Limitations and notes

Volume-based pricing tiers Pricing tiers depend mainly on sending volume, uploaded contacts, and consumed Instantly credits; the exact mapping of individual features to a tier can change with the provider's offering.
AI quality depends on the chosen model Since multiple language models are available to choose from, or a user's own API key can be used, the quality of generated text also depends on the chosen model.
Advanced deliverability infrastructure only from higher tiers The SISR system with dedicated server and IP blocks, as well as a private deliverability network, are according to the provider reserved for higher tiers with personal support.
Cold email operations require diligence According to the provider, campaign success depends on a verified, low-bounce contact list, a message relevant to the recipient, and delivery to the primary inbox, all factors that go beyond the software itself.

Quick start

Define your target audience and filter for matching B2B contacts through Supersearch, for example by role, company size, or tech stack.
Set up sending accounts and activate automatic warmup before running actual sending volume.
Write a first sequence or have the Email Writer Agent draft and personalise one.
Launch the campaign and manage incoming replies through Unibox with AI reply labels.
Evaluate success through opportunities, pipeline, conversions, and revenue rather than open rates alone.

Tips

Plan enough time for warmup before actual sending, so deliverability does not suffer under too much volume from the start.
Verify contact lists through the built-in enrichment before sending and remove outdated or unsafe addresses to avoid bounces.
Add your own LLM API key when needed to control model choice and cost of AI copywriting yourself.
Use community templates as a starting point for new sequences instead of writing every sequence from scratch.

Access

Instantly is available at instantly.ai, according to the provider without a credit card required to get started. Pricing tiers are staggered by volume, from an entry tier with a few thousand emails and contacts per month up to tiers with significantly higher volume, dedicated deliverability infrastructure, and personal support from an account manager or GTM engineer.

Alternatives

n8n.io — oss

n8n

n8n is an open-source workflow automation tool that lets you orchestrate cold email sequences, lead enrichment and follow-ups yourself instead of renting a ready-made outreach platform.

mautic.org — oss

Mautic

Mautic is an open-source marketing automation tool with email campaigns, lead scoring and multi-step nurture sequences, covering the sequencer part of Instantly as a self-hosted alternative.

Last reviewed: 7 August 2026 · Pricing, plans and features are a snapshot in time. Check the provider's own page before deciding.

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