PactumJS

Spec sheet

Purpose

PactumJS is a free and open-source REST API automation testing tool for all levels of a test pyramid.Read 10 Oct 2026 · pactumjs.github.io

Intended users

Its typical users are developers, QA engineers, and SDETs.Read 10 Oct 2026 · pactumjs.github.io

Audience

The site identifies developers, QA engineers, and SDETs as typical users.Read 9 Oct 2026 · pactumjs.github.io

Support

The project uses GitHub Discussions to receive feedback, discuss ideas, and answer questions.Read 10 Oct 2026 · pactumjs.github.io

License

PactumJS is released under the MIT License.Read 10 Oct 2026 · pactumjs.github.io

Backend compatibility

Tests can target backend servers regardless of the programming language used to build their APIs.Read 9 Oct 2026 · pactumjs.github.io

Backend coverage

Tests can run against REST API servers regardless of the programming language used to build those servers.Read 10 Oct 2026 · pactumjs.github.io

Converter limitation

The cURL-to-PactumJS converter is marked beta or experimental, and the site cautions that not all features may work as expected.Read 9 Oct 2026 · pactumjs.github.io

Data management

The project describes its data management as an included feature for API tests and mock server use.Read 10 Oct 2026 · github.com

HTTP testing

Its API testing features build HTTP requests and validate server responses with assertion functions.Read 9 Oct 2026 · pactumjs.github.io

Install

The README gives npm install --save-dev pactum as an installation command.Read 10 Oct 2026 · github.com

Integration testing

The integration testing guide describes passing data between dependent API calls and saving response data for reuse in tests.Read 9 Oct 2026 · pactumjs.github.io

Mock server

PactumJS can act as a standalone mock server for HTTP-based APIs.Read 10 Oct 2026 · github.com

Retry behavior

The integration testing guide says requests can be retried until a test passes or a specified condition is met, with a default maximum of one retry and a 1,000-millisecond polling interval.Read 9 Oct 2026 · pactumjs.github.io

Runtime and installation

PactumJS is a Node.js project distributed as the npm package pactum, and its quick-start page lists Node.js 10 and above as a system requirement.Read 9 Oct 2026 · pactumjs.github.io

Test runners

The project README shows using PactumJS with Mocha, Jest, or Cucumber as test runners.Read 10 Oct 2026 · github.com

Test style

It provides a clear, simple API for writing readable and maintainable component, contract, and end-to-end integration tests.Read 10 Oct 2026 · pactumjs.github.io

Testing types

It supports API, component, contract, integration, and end-to-end testing, as well as a mock server.Read 10 Oct 2026 · pactumjs.github.io

Use cases

It supports API, component, contract, integration, and end-to-end testing, as well as mock servers.Read 9 Oct 2026 · pactumjs.github.io

Plans and prices

Every PactumJS plan and price →

Where Specifiction places it

• API Testing Tools#24 of 347.8