YAMM

Mail merge from Gmail, done simply.

None readiness

About

What is YAMM

YAMM plugs into Gmail and Google Sheets to let you send personalized email campaigns to a list of contacts without leaving your existing Google Workspace. You build your template in Gmail, pull recipient data from a Google Sheet, and YAMM handles personalization markers, scheduling, and delivery. It's aimed at solo operators, early-stage founders, and SDRs who already live in Google Workspace and don't want to onboard a separate email platform. The standout capability is real-time campaign tracking — opens, clicks, bounces, and unsubscribes all write back directly into your Google Sheet, so your list stays current without manual cleanup. Where it falls short is sequencing depth: YAMM handles single-send campaigns well but isn't built for multi-step drip sequences or complex conditional logic that a dedicated sales engagement platform would cover.

Outreach

Capabilities

Key features

Cold email sender

schedules and delivers outbound sequences at scale

Native CRM integration

first-party connectors, no middleware required

Workflow

multi-step sequences, event-driven triggers, templates library

Our verdict

Vanderbuild take

For a founder or SDR already inside Google Workspace, YAMM is the lowest-friction way to run a personalized email campaign — it doesn't ask you to leave Gmail or learn a new tool. On the agentic readiness front, there's no API and MCP status is unknown, so you can't drive this from an agent without scraping the UI — it's a human-in-the-loop tool by design. Free or near-free, low risk to test — the Personal plan is $25/year and the free tier gets you started with no commitment. The honest limitation is that YAMM is a single-send tool at heart; if you need multi-step sequences, conditional branching, or reply detection that triggers follow-ups automatically, you'll outgrow it quickly and need to move to a dedicated sales engagement platform.

Mateusz Sekta

Founder, vanderbuild

The wedge

Agentic stack profile

API

Not public

No public programmatic access.

No public API. Not usable from an agent without scraping.

Agentic readiness

None

Not usable from an agent without scraping.

No public API. UI-only. Not usable from an agent without scraping, which we don't recommend.

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

YAMM alternatives

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

YAMM(this tool)

Pricing: Freemium
Budget: $
Best for: Founder, SDR / BDR

Readiness: None
API: No

Instantly

Pricing: Workspace-based
Budget: $$
Best for: SDR / BDR, Founder

Readiness: Native
MCP: Yes
API: REST

Saleshandy

Pricing: Freemium
Budget: $$
Best for: SDR / BDR, Agency

Readiness: Native
MCP: Yes
API: REST

Answers

Frequently asked questions

Does YAMM have a public API?

No — there's no publicly documented API as of today. YAMM is operated through its UI.

How much does YAMM cost?

YAMM: pricing is freemium, expect entry tier ($) spend. Full pricing page: https://yamm.com/pricing/.

Who is YAMM best for?

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

Quick spec

APINo

ReadinessNone

Stack roleSequencer

Pricing

Freemium

Vendor pricing →

Ideal customer

Growth stage

Early-stage startup · Growth-stage

Company size

Solo · SMB (1-50)

Best for

Founder · SDR / BDR