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About

Let Link My Books do all the heavy lifting for you, accurately accounting for your Amazon sales, fees, VAT and taxes. Why not save hours on your Amazon bookkeeping each month? Most Amazon sellers don’t know how to accurately account for their Amazon Sales. Link My Books makes accounting for your Amazon sales, fees and tax easy. We group the transactions that make up each of your Amazon payouts into easy to understand categories and even provide you with a default set of accounts to get you started. Of course, you can choose your own existing accounts from your chart of accounts in Xero or QuickBooks too. Don’t take our word for it – here’s the results our users are getting from our Xero Amazon Integration. Link My Books integrates directly with Amazon Seller Central and Xero or QuickBooks automating the accounting for your Amazon sales, fees and taxes.

About

Spillmark is a web-based marketing analytics and experimentation product for Amazon sellers using Meta ads. It combines data from Amazon Seller Central, Amazon Ads, Meta, and optionally Shopify through account connections or report imports to analyze sales, costs, fees, ad spend, and channel profit. Sellers can design and run geographic holdout tests that pause Meta ads in selected regions, then compare Amazon sales to estimate advertising's incremental effect. Results include uncertainty ranges and explanations of the calculations, alongside dashboards, alerts, and records of test designs. Connected-account access is read-only; the product does not change campaigns without seller approval. Spillmark also provides an MCP server and REST API for assistants and scripts. Brand-level measurement and recommendations are in private beta. Starter includes one active holdout test and alerts; Growth includes unlimited tests, live account connections when available, and branded Amazon PPC tests.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Amazon sellers

Audience

Amazon sellers

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Not Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$17 per month
Or $170 per year
Free Version Not Supported
Free Trial Supported

Pricing

$19/month
Dashboard costs $19/month. Starter costs $49/month for brands spending up to $3,000/month on Meta and includes one active holdout test, an experiment ledger, and alerts. Growth costs $199/month for brands spending over $3,000/month on Meta and includes unlimited holdout tests, live account connections when available, branded Amazon PPC tests, and scored predictions. All plans are billed monthly and can be canceled anytime.
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Very helpful, great customer services. Reasonably priced. Integration between Amazon and Xero is quick and easy. Reconciled Amazon and eBay payments quickly.

Cons

  • Nothing not to like - they are very helpful and provide a great service.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Link My Books
Founded: 2018
United Kingdom
linkmybooks.com

Company Information

Spillmark
Founded: 2026
United States
spillmark.com

Alternatives

Alternatives

MyWorks Sync

MyWorks Sync

MyWorks Software
Boardroom

Boardroom

E-Commerce Boardroom, LLC

Categories

Accounting Supported
Bookkeeping Supported
eCommerce Tools Supported

Categories

Integrations

Amazon Supported
Shopify Supported
Amazon Ads Not Supported
Amazon Seller Central Not Supported
Clearpay Supported
Etsy Supported
Klarna Supported
Meta Ads Not Supported
Model Context Protocol (MCP) Not Supported
PayPal Supported
QuickBooks Online Supported
QuickBooks Online Advanced Supported
Square Online Supported
TikTok Supported
VS1 Cloud Supported
Walmart Supported
WooCommerce Supported
Xero Supported

Integrations

Amazon Supported
Shopify Supported
Amazon Ads Supported
Amazon Seller Central Supported
Clearpay Not Supported
Etsy Not Supported
Klarna Not Supported
Meta Ads Supported
Model Context Protocol (MCP) Supported
PayPal Not Supported
QuickBooks Online Not Supported
QuickBooks Online Advanced Not Supported
Square Online Not Supported
TikTok Not Supported
VS1 Cloud Not Supported
Walmart Not Supported
WooCommerce Not Supported
Xero Not Supported
Claim Spillmark and update features and information
Claim Spillmark and update features and information