Developer Portal

Build on Yurlie. Integrate 30+ developer, network, JSON, and encoding tools into your applications, microservices, and CI/CD pipelines via our REST API.

API Documentation Get Started Free →

Developer Resources

Everything you need to integrate Yurlie tools into your workflow.

API Reference

Complete REST API endpoint reference with request/response examples for all 30+ tools.

View API Docs

API Keys

Generate and manage API keys from your dashboard. Start with 100 free requests per day.

Manage Keys

Usage & Analytics

Monitor your API usage, track request volume, and view rate limit status in real-time.

View Usage

Plans & Pricing

Compare Free, Pro, and Business plans. Scale from 100 to 100,000 requests per day.

See Plans

Quick Start

Get your first API response in under 2 minutes.

Create a free account

Generate an API key

Go to Dashboard → API Keys and create your first key.

Make your first request

Use your key in the X-API-Key header and call any endpoint.

Example: Calculate CIDR subnetbash

curl -X POST https://api.yurlie.app/v1/network/cidr \
  -H "X-API-Key: yurlie_live_YOUR_KEY_HERE" \
  -H "Content-Type: application/json" \
  -d '{"cidr": "10.0.0.0/24"}'

Responsejson

{
  "cidr": "10.0.0.0/24",
  "ip": "10.0.0.0",
  "prefix": 24,
  "netmask": "255.255.255.0",
  "wildcard_mask": "0.0.0.255",
  "first_usable_ip": "10.0.0.1",
  "last_usable_ip": "10.0.0.254",
  "total_ips": 256,
  "usable_hosts": 254
}

API Categories

27+ REST API endpoints organized by category. Every tool available in the web UI is also available as an API.

7 endpoints

Network & IP Tools

CIDR calculation, subnet splitting, IP range conversion, IPv4/IPv6 conversion, wildcard masks, and AWS VPC planning.

5 endpoints

JSON & Data Tools

JSON formatting, validation, minification, JSON↔CSV conversion, and data transformation.

7 endpoints

Encoding & Security

Base64 encode/decode, URL encoding, HTML entity encoding, and JWT token decoding.

8 endpoints

Developer Utilities

UUID generation, hash computation, regex testing, timestamp conversion, text diff, SQL/XML formatting, and cron parsing.

Authentication & Rate Limits

API Key Authentication

Include your API key in the X-API-Key HTTP header on every request. Keys can be created, rotated, and revoked from your Dashboard.

Rate Limits

Free100 req/day10/sec burst

Pro15,000 req/day60/sec burst

Business100,000 req/dayUnlimited

Common Integration Scenarios

Developers use the Yurlie API to power these workflows:

CI/CD Pipelines

Validate JSON configs, compute file hashes, and verify network ranges in your build pipelines.

Internal Dashboards

Embed subnet calculations, UUID generation, and timestamp conversion into admin panels.

CLI Tooling

Build command-line tools that call Yurlie API for CIDR calculations, regex testing, or SQL formatting.

SaaS Platforms

Offer developer utilities as built-in features in your platform without building from scratch.

DevOps Automation

Automate network IP planning, AWS VPC subnet calculations, and config validation.

Education & Training

Build interactive coding labs and networking exercises powered by real-time API responses.

Frequently Asked Questions

What is the Yurlie Developer Portal?

The Yurlie Developer Portal is the central hub for third-party developers who want to integrate Yurlie's 30+ developer and network tools into their own applications, scripts, or platforms via REST API.

How do I get started with the API?

Create a free account, generate an API key from your dashboard, and include it in the X-API-Key header on every request. You get 100 free API calls per day to start with.

Is there a free tier?

Yes. The Free plan includes 100 API requests per day with a burst limit of 10 requests per second. No credit card required.

What authentication method is used?

Yurlie API uses API key authentication. Include your key in the X-API-Key HTTP header on every request. Keys can be generated and revoked from your dashboard.

What is the base URL for API requests?

The production API base URL is https://api.yurlie.app. All endpoints follow the pattern /v1/{category}/{action}.

Are there rate limits?

Yes. Free plan: 100 requests/day (10/sec burst). Pro: 15,000/day (60/sec burst). Business: 100,000/day (unlimited burst). Rate limit headers are included in every response.

Start building on Yurlie today

Create a free account and get your API key in under a minute. No credit card required.

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