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Decision snapshot

Fast-read signals for fit, pricing, and trust.

Category
Email & Communication
Best for
ai email writer
Pricing
Paid
Access
Free trial available

What is this tool?

SDRs and small outbound teams who already hold prospect lists get a researched opening line for each person from Warmer, without reading every profile by hand. Size the plan by people rather than emails, because every lead processed uses one credit, and note that API access and email validation start at Professional. The 14-day trial needs no card, so the lines can be tried on a real list before paying.

By QT Desk
Read full overview

Sign up with Google or a work email, upload a CSV of prospects, and Warmer processes each person as one lead: it gathers profile and company data, writes the personalisation options and, on plans that include it, validates the email address. The finished list downloads as a CSV, goes to Mailshake through the built-in connection, or, from Professional up, is pulled through Warmer's RESTful API, whose documentation link leads to the account sign-in.

Prices sit in the pricing section of Warmer's home page, in bare dollar figures with no currency code. Plans are billed in advance, monthly or annually, and renew automatically. The terms of service and privacy policy are both dated January 2021.

Uploaded content stays the user's property, with Warmer receiving a licence to use it for the service, and the user is responsible for having the rights to process the personal data in their lists. The privacy policy names OpenAI for content generation and Stripe for payments and says data is encrypted; the acceptable-use terms forbid sending spam or unsolicited messages.

Is this right for you?

Quick fit check against how you actually work.

ai email writer
Choose this if
  • You run cold outbound from prospect lists and want each lead researched and given a written opening line
  • You send through Mailshake, or your sequencer imports CSV files
  • Your monthly volume fits an allowance of 500, 2,500 or 10,000 leads
Consider alternatives if
  • You want an ongoing free plan; the home page's pricing section lists only paid plans after the trial
  • You need native two-way sync with a CRM; apart from Mailshake, Warmer documents CSV export rather than named connections
  • You need API access or email validation on the entry plan, since both start at Professional
  • You want to read the API documentation or current, detailed data-processing terms before paying; the API docs need a login and the legal pages date from January 2021

Key features

What you can actually do with this tool.

Enrichment before writing

Each lead is filled in from social profiles (job title, company details, recent activity) and from company data (size, industry, recent news, funding) before any line is written.

Five lines per lead, two kinds

Every processed lead returns five personalisation options. 'LinkedIn AI' lines are written with generative AI, which the vendor says gives more varied results; 'LinkedIn Standard' lines are built from facts on the profile such as education, awards or tenure. Profiles with little information may get Standard lines only.

Email validation

Addresses are tested for deliverability before you send, to cut bounces; validation is included from the Professional plan up.

Mailshake or a file

Warmer calls itself an official Mailshake partner, and the connection is made from Settings > Integrations. Otherwise results leave as a CSV for any sales tool, with JSON export and a RESTful API from Professional.

Integrations

Tools and platforms this connects with.

Mailshake

Plans & pricing

Pricing tiers and what's included in each.

Growth

$59 /month, or $590 /year (the home page labels the annual price 'save $118'); bare '$' as printed
  • 500 credits a month; one credit is one lead processed
  • LinkedIn profile data, company enrichment, AI personalisation and CSV export
  • About $0.12 per lead, in the vendor's own approximation

Professional

$119 /month, or $1,190 /year ('save $238')
  • 2,500 credits a month
  • Everything in Growth plus included email validation, API access and priority processing
  • About $0.05 per lead, in the vendor's own approximation

Scale

$249 /month, or $2,490 /year ('save $498')
  • 10,000 credits a month
  • Everything in Professional plus custom API limits, priority support and a dedicated account manager
  • About $0.02 per lead, in the vendor's own approximation
Official pricing pagePricing may have changed. Always verify before purchasing.

Frequently asked

Common questions about this tool, answered.

What does one credit buy?

One person processed. A CSV of 25 leads uses 25 credits, and each lead comes back with five personalisation options. The home page puts the cost at about $0.12 per lead on Growth, $0.05 on Professional and $0.02 on Scale, its own rounded figures.

Does Warmer still write outreach copy?

Yes, at the level of the personalised line. Alongside the enrichment data, each lead gets AI-generated 'LinkedIn AI' lines or 'LinkedIn Standard' lines assembled from profile facts, and the help centre notes that sparse profiles may only produce Standard lines.

Can I cancel, and are refunds given?

The trial can be ended without charge, and Warmer's help centre describes cancelling a paid subscription at any time with one click in Billing Settings. Refunds are not automatic: the terms say requests are considered case by case through support.