Cold Email Software for Sales Teams That Run Outbound at Scale
Smartlead is an outbound sales platform built around unlimited email-sending infrastructure: warmup, deliverability testing, lead verification, and campaign automation, wrapped with AI features (SmartAssistant, SmartAgents) and a unified inbox for managing replies across large numbers of connected mailboxes.
| Plan | Price | Included | Notable |
|---|---|---|---|
| Base | $39/month | 2,000 contacts storage, 6,000 email sends, 2,000 verified prospect emails | Unlimited email accounts, Core campaign automation and warmup |
| Pro | $94/month | 30,000 contacts storage, 90,000 email sends, 30,000 verified prospect emails | CRM access, Growth-tier features |
| Unlimited Smart | $174/month | Unlimited contacts storage, 150,000 email sends, 50,000 verified prospect emails | API & webhooks, Warmup pool included, Eligible for UltraPremium add-ons |
| Unlimited Prime | $379/month | Unlimited contacts storage, 500,000 email sends, 170,000 verified prospect emails | 3 SmartServers + OAuth, 3+ client workspaces included, Dedicated manager and Slack channel |
Checked 2026-07-31 against their pricing page. Vendors change pricing without notice.
Smartlead is a cold-email-first outbound platform: its core differentiator is unlimited connected mailboxes per plan plus infrastructure it manages for you (warmup, deliverability testing, dedicated servers), rather than a per-seat CRM. It layers AI assistants, a lead-finding module, and a master inbox on top of that sending infrastructure, and exposes campaign/lead/email-account/analytics data through a documented REST API and webhooks.
Agencies and B2B sales teams running high-volume cold email outbound across many mailboxes and, at the top tier, multiple client workspaces; the vendor markets itself from solo founders up through Fortune 500 sales orgs.
The API and webhooks are gated to the Smart plan and above ($174/mo+), so teams on the $39/mo Base plan cannot integrate programmatically. Rate limits are not published as fixed numbers - the docs say limits 'vary by subscription plan, contact customer support' - which makes capacity planning hard to do up front. Teams that want a CRM-centric, low-mailbox-count workflow rather than high-volume multi-inbox cold email are better served by a CRM-first tool; Smartlead's plan tiers are built around send volume and mailbox count, not seats or pipeline stages.
Platforms that send outbound email at volume, manage inbox rotation and warm-up, and track replies.
Category: Cold email and sequencing. Membership is decided by 3 stated tests, not by category tags — see them and the full comparison.
Appears in comparison shortlists
No OpenAPI/Swagger spec is published alongside it.
Yes, Smartlead's help center documents an official MCP server, currently supporting SSE transport only (not HTTPS) and Claude Desktop as the supported client.
Unlimited on every paid plan; Smartlead does not charge per mailbox, unlike many competitors.
No. API and webhook access is called out specifically on the Unlimited Smart plan ($174/mo) and above; it is not listed as a Base or Pro plan feature.
Smartlead's docs do not publish fixed numeric limits; they state limits vary by subscription plan and direct developers to contact support for specifics.
We could not find a GitHub organization or repository linked from Smartlead's own site or help center; MCP servers and CLIs for Smartlead that exist on GitHub are third-party community projects, not vendor-published.
The integrations page lists HubSpot, Pipedrive, Salesforce, Attio, Zoho CRM, Insightly, and GoHighLevel among others, alongside lead-gen and communication tool integrations like Clay, Slack, and Zapier.
This page tells you whether Smartlead fits. Cheetah builds and runs the system it goes into — enrichment, sequencing, CRM and the joins between them.
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