⚡ DevToolKit API

21 developer utility endpoints. Email validation, SEO analysis, DNS lookups, screenshots, and more. Pay with Lightning — instant access.

🔒 No KYC • No Signup • Pay & Use
21
API Endpoints
⚡
Lightning Payments
<100ms
Avg Response

🎯 Pay Per Use

1,500 sats
≈ $1 USD • 100 API calls
  • All 21 endpoints
  • No subscription
  • No account needed
  • Instant activation

🚀 Hobby Plan

12,000 sats/mo
≈ $9 USD • 1,000 requests/day
  • All 21 endpoints
  • 1,000 requests per day
  • JSON responses
  • Email support

💎 Pro Plan

40,000 sats/mo
≈ $29 USD • 10,000 requests/day
  • All 21 endpoints
  • 10,000 requests per day
  • Priority support
  • Bulk data access

📊 Remote Jobs Dataset

10,000 sats
≈ $7 USD • One-time purchase
  • 150+ remote job listings
  • CSV + JSON formats
  • Updated daily
  • Company, title, salary data

🆓 Try Free — 50 Requests/Day

No payment needed. Just grab a free API key.

How It Works

⚡

1. Choose a Plan

Pick pay-per-use or a monthly plan

📱

2. Scan QR Code

Pay the Lightning invoice with any wallet

🔑

3. Get API Key

Instantly receive your API key

🚀

4. Start Building

Use all 21 endpoints immediately

21 Endpoints Included

GET /email/validate/:email
Email validation (syntax + MX + disposable)
GET /seo/analyze?url=
SEO analysis with 0-100 scoring
GET /screenshot?url=
Website screenshots (Chromium)
GET /qr/generate?text=
QR code generation (PNG)
GET /dns/lookup/:domain
Full DNS records lookup
GET /headers/inspect?url=
HTTP header security audit
POST /text/analyze
Sentiment analysis + keywords
GET /jobs/remote?search=
Remote job listings (150+)
GET /github/trending
GitHub trending repos
POST /shorten
URL shortener + click tracking
GET /whois/:domain
WHOIS domain lookup
GET /ssl/:domain
SSL certificate checker
GET /speed?url=
Website speed test (TTFB)
POST /json/validate
JSON formatter & validator
GET /color/:hex
Color converter (hex→RGB/HSL)
GET /hash?text=&algo=
Hash generator (MD5/SHA)
GET /uuid?count=
UUID v4 generator
GET /timestamp
Current timestamps (all formats)
GET /ip/info
IP geolocation info

📖 Full API Documentation →

💛 Support DevToolKit

If you find these tools useful, send a tip!

⚡ devtoolkit@coinos.io

Built by a developer, for developers. No tracking, no cookies, no BS.

API Docs • Free Tools • Blog • ETH: 0xB636C30d9ec21f91Cf8D11B00b6B9805e6e8AA92