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Mailshake

Outreach across email, phone, and social.

Outreach
For AI agents
APICapable readiness
About

What is Mailshake

Mailshake automates outreach cadences across email, LinkedIn, SMS, and phone — letting SDRs, founders, and agency teams run multi-step sequences from a single workspace. It's built for solo operators and small teams (under 50 seats) who need to move fast without a dedicated RevOps function. The standout capability is mailbox rotation combined with spam score analysis, which gives senders a practical lever for protecting deliverability as volume grows. Data Finder adds built-in prospecting so you're not forced to stitch together a separate list-building tool. That said, Mailshake is not a fit for teams that need deep reporting or territory-level analytics — the platform tracks opens, clicks, and replies, but stops well short of pipeline attribution or revenue forecasting.

Outreach
Capabilities

Key features

Multichannel outreach

email, LinkedIn, and phone in one cadence

Native CRM + team chat integration

first-party connectors, no middleware required

AI capabilities

AI-drafted personalised copy

Workflow

multi-step sequences, email + LinkedIn + phone, event-driven triggers, A/B testing

Also ships

official SDK

Webhooks + no-code automation support

fits any iPaaS or workflow chain

Our verdict

Vanderbuild take

Mailshake is a practical multichannel outreach tool for SDRs, founders, and agencies who want email-plus-LinkedIn-plus-phone sequences without stitching together three separate products. On the agentic side, the REST API is available and the readiness rating is Capable — meaning you can wrap Mailshake into your own automation layer or MCP stack cleanly, though MCP server status is unconfirmed so you'll be building that bridge yourself. Pricing is seat-based and sits at budget tier 1, making it low-risk to test even for a solo founder or a small agency running a handful of client campaigns. The honest limitation: reporting is shallow — you get open, click, and reply tracking, but there's no pipeline attribution or revenue-level analytics, so you'll need a CRM or BI layer downstream if you want to close the loop on what's actually converting.

Mateusz Sekta
Founder, vanderbuild
Learn more

Our Resources

The wedge

Agentic stack profile

API
REST

Programmatic access available.

REST API — straightforward to call from any agent or workflow tool. Rate limits and auth vary by plan.

API docs →
Agentic readiness
Capable

Solid API access — wraps cleanly for agent use.

Solid REST or SDK access. No MCP server yet, but easy to wrap in custom agent tooling. Most modern SaaS tools land here.

Stack role
Sequencer

Where this tool slots into an agentic pipeline.

Plays the role of Sequencer in an agentic pipeline. Use it to send and track multi-step outbound cadences across channels.

Compare

Mailshake alternatives

Tools that solve a similar problem — compared at a glance.

Mailshake(this tool)
Pricing
Seat-based
Budget
$
Best for
SDR / BDR, Founder
Readiness
Capable
API
REST
Overloop
Pricing
Seat-based
Budget
$$
Best for
SDR / BDR, GTM Lead
Readiness
Capable
MCP
Yes
API
REST
SendPulse
Pricing
Freemium
Budget
$
Best for
Marketing, Founder
Readiness
Native
MCP
Yes
API
REST
Answers

Frequently asked questions

Does Mailshake have a public API?

Yes — Mailshake ships a REST API. Docs: https://api-docs.mailshake.com/.

How much does Mailshake cost?

Mailshake: pricing is seat-based, expect entry tier ($) spend. Full pricing page: https://mailshake.com/pricing/.

Who is Mailshake best for?

Mailshake is built for SDR / BDR, Founder, Agency. Fits Solo, SMB (1-50)-sized teams.

How well does Mailshake fit an agentic sales stack?

Tier: Capable. Solid public API, no MCP yet — straightforward to wrap in your own agent tooling.