JK
JustKalm
Developer Tools

Build with JustKalm

Everything you need to integrate product intelligence into your application. SDKs, CLI tools, webhooks, and comprehensive documentation.

Quick Start

1

Get your API key

Create an account and generate an API key from your dashboard.

2

Install the SDK

pip install justkalm
3

Make your first call

client.valuate(product)

Official SDKs

Type-safe, well-documented SDKs for every major language.

🐍

Python

v2.4.1
pip install justkalm
Async supportType hintsRetry logic
View Documentation
📦

JavaScript/TypeScript

v2.3.0
npm install @justkalm/sdk
ESM & CJSReact hooksNext.js ready
View Documentation
💎

Ruby

v1.8.2
gem install justkalm
Rails integrationActive RecordSidekiq jobs
View Documentation
🔷

Go

v1.5.0
go get github.com/justkalm/justkalm-go
Context supportConcurrency safeZero deps
View Documentation
🐘

PHP

v2.1.0
composer require justkalm/justkalm-php
Laravel supportPSR-18Guzzle
View Documentation

Java

v2.0.1
implementation "com.justkalm:sdk:2.0.1"
Spring BootAsync clientMaven/Gradle
View Documentation

Command Line Interface

Powerful CLI for scripting and automation.

npm install -g @justkalm/cli
$justkalm login# Authenticate with your API key
$justkalm valuate <product># Valuate a product from command line
$justkalm batch import.csv# Batch valuate from CSV file
$justkalm health check# Check API health and your quota
$justkalm config set region eu# Configure regional endpoint

Webhooks

Real-time event notifications to your server. Secure, reliable, with automatic retries.

Available Events

Signature Verification

HMAC-SHA256 signed payloads

Automatic Retries

Exponential backoff for 24 hours

API Features

Enterprise-grade API built for scale and reliability.

Rate Limiting

1,000 req/min (Standard), 10,000 req/min (Enterprise)

Exponential backoff recommended

Regional Endpoints

US, EU, APAC regions for data residency

api.justkalm.com, api.eu.justkalm.com

Authentication

Bearer token or API key header

Rotate keys without downtime

Idempotency

Safe retries with idempotency keys

Pass X-Idempotency-Key header

Integrations

Connect JustKalm to your existing tools.

🛒

Shopify

Available
🔌

WooCommerce

Available
☁️

Salesforce

Available

Zapier

Available
🔄

Make (Integromat)

Available
🔗

n8n

Beta

Ready to Build?

Get started with our comprehensive documentation and helpful community.