What is Instantly?

A popular platform for sending cold email from many inboxes.

Updated Oct 22, 2026 · 1 min read

Definition

Instantly is a cold email platform. It connects many sending inboxes, warms them up, sends sequences with follow-ups, and tracks replies. It also offers a B2B lead database.

Main features

  • connect many inboxes and rotate sending between them
  • automated warm-up
  • multi-step sequences that stop when someone replies
  • a unified inbox for replies
  • campaign analytics

How lead lists get in

Campaigns import leads from a CSV. The email column is required; first name, company and custom variables power personalisation.

Using Prospect Cheap with Instantly

Prospect Cheap exports an Instantly CSV: only leads with an email, with column names Instantly recognises (email, first and last name, company, phone, website, city and more). See importing Google Maps leads into Instantly.

Alternatives and comparisons

See Instantly alternatives and Prospect Cheap vs Instantly — they do different jobs and often work together.

Example

You export 800 dentists with emails from Prospect Cheap as an Instantly CSV, upload it to a campaign, map first name and company, and send a three-step sequence from five warmed-up inboxes.

Key takeaways

  • Instantly is built for sending cold email at scale.
  • Leads import from CSV.
  • Prospect Cheap exports Instantly-ready files.

Frequently asked questions

It offers a B2B lead database. For local businesses, creators and other sources, many users import lists from tools like Prospect Cheap.

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