Audience

Amazon sellers

About Spillmark

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.

Pricing

Starting Price:
$19/month
Pricing Details:
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 Trial:
Free Trial available.

Integrations

API:
Yes, Spillmark offers API access

Ratings/Reviews

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Company Information

Spillmark
Founded: 2026
United States
spillmark.com

Videos and Screen Captures

Spillmark Overview dashboard for “Example Coffee Co.” showing revenue, contribution margin, net profit, ad spend, customer metrics, and monthly sales cards.

Spillmark Overview dashboard for “Example Coffee Co.” showing revenue, contribution margin, net profit, ad spend, customer metrics, and monthly sales cards.

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Product Details

Platforms Supported
Cloud
Training
Documentation
Support
24/7 Live Support

Spillmark Frequently Asked Questions

Q: What kinds of users and organization types does Spillmark work with?
Q: What languages does Spillmark support in their product?
Q: What kind of support options does Spillmark offer?
Q: What other applications or services does Spillmark integrate with?
Q: Does Spillmark have an API?
Q: What type of training does Spillmark provide?
Q: Does Spillmark offer a free trial?
Q: How much does Spillmark cost?

Spillmark Product Features