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JsRates

JsRates gives you full control over complex shipping rules, but may require technical knowledge.

Checked 5 Oct 2026 Reviewed by Alex Listed since July 2024

Screenshot of JsRates

At a glance

Starts at $19 per month Includes access to the full feature set, support for multiple variants with different shipping rates per variant in the same app subscription plan.
Free tier No
Platforms Web, iOS, API, VS Code
Best for Merchants with custom shipping needs

4.0 out of 5

Scored by Alex after real use

Our verdict

With JsRates, merchants have total flexibility in setting up unique shipping rates. It suits teams comfortable with JavaScript or working with developers. However, it might be too advanced for those seeking simpler solutions.

✓What it does well

CustomizableLet you write complex shipping rules in JavaScript.
ReliableHandles heavy checkout traffic accurately.
Developer-friendlyIncludes an environment for building and testing custom logic.

✕Where it falls short

Limited documentationSome users find the setup process challenging without extensive docs.
Not all-inclusiveRequires additional third-party API integration, which may incur extra costs.
High barrier for non-technical usersSuits technical teams but not those who prefer pre-built solutions.

Key features

JS editorAllows writing and testing custom shipping rules in a code editor.
Real-time testsRun payload tests against your actual checkout data.
Free setup helpProvides free assistance during initial installation and configuration.
Payload TestingRun tests against real checkout data.