MYCE (Manage Your Customer Engagement)

Amazon & D2C glossary · Harpy Media

MYCE (Manage Your Customer Engagement) is a free email marketing tool inside Seller Central that lets eligible sellers send campaigns directly to their followers and past buyers. For a marketplace that historically guarded customer contact data, it is the closest thing to a brand’s own audience list.

What is MYCE?

MYCE (Manage Your Customer Engagement) is a free email marketing tool inside Seller Central that lets eligible sellers send campaigns directly to their followers and past buyers. For a marketplace that historically guarded customer contact data, it is the closest thing to a brand’s own audience list.

Campaign templates go to segments like Brand Followers; sellers use them to announce launches, share exclusive discounts, and stay in front of people who already bought. Every order driven by a campaign is an order that did not have to be bought again from the advertising auction.

Why MYCE changes the economics of repeat sales

Repeat purchase on Amazon has traditionally been won with fresh advertising — the brand pays to reach people who already bought from it. MYCE changes that: a campaign pushes an offer straight to those audiences at zero media cost, converting existing demand instead of renting it.

The side effects compound. A campaign that drives a burst of orders also reads to the ranking systems as conversion and velocity, so a well-timed email can lift a new product’s organic placement the way an ad campaign would — without the spend. For launches and seasonal pushes, it is the cheapest velocity available on the platform.

Campaign performance is measurable: conversion is simply orders from the campaign over emails delivered, and net profit is gross campaign revenue minus discounts and cost of goods. Run those numbers for every campaign and the channel’s value becomes explicit.

Using campaigns without burning the list

The audience is an asset, and it is depreciating by the send. Offers that do not carry genuine value train the audience to ignore or unsubscribe; low engagement metrics accumulate, and the platform may throttle future campaign reach. The failure mode of email is not a bounce — it is being tuned out.

So the discipline is frequency and substance: send sparingly, when there is something real — a launch, a genuine event-based deal, a meaningful new variant — and keep the offer proportionate to the audience’s interest. A smaller list that opens is worth more than a large one being exhausted.

In practice

A seller launching a heavier-duty variant of a $40 resistance band set skips the $1,000 top-of-search budget and runs a MYCE campaign instead: an email to the Brand Followers segment with a 20% launch code. It reaches 5,000 engaged users, opens at around 15%, and produces 150 immediate orders. The burst of conversion velocity lifts the new ASIN’s organic rank — at zero advertising cost.

How Harpy Media helps

Owned-audience marketing is part of how we build repeat revenue on Amazon: MYCE campaign planning around launches and events, offer design that respects the list, and the conversion maths tracked per send so the channel keeps earning its place.

MYCE FAQ

Is MYCE free?

Yes — Manage Your Customer Engagement campaigns carry no media cost. The only investment is the offer attached (the discount that makes the audience act), which is why offer design, not budget, decides whether campaigns work.

Who can I send MYCE campaigns to?

Eligible seller accounts can target audiences assembled by Amazon — commonly brand followers, and in some cases past buyers within the platform’s permitted segments. You are emailing through Amazon’s system to these Amazon-held audiences, not exporting contact data.

Does MYCE replace PPC?

No — it complements it. Ads buy reach to new demand; MYCE converts audiences you have already earned. The pairing works because campaign-driven conversions raise the listing’s momentum, which then makes the paid traffic cheaper to buy.