DevTools API

Developer tools as a service. JSON utilities, trending repos, HTTP timing — one API key, all tools.

Get Free API Key → 🤖 Telegram Bot →

Pricing

Free

$0
  • All API endpoints
  • 100 requests/day
  • No credit card needed

Pro

$5 USDT/mo
  • All API endpoints
  • 10,000 requests/day
  • Priority support

How to Pay (Crypto)

  1. Send $5 USDT (or equivalent ETH) to the wallet below on any EVM chain (Ethereum, Base, Polygon, Arbitrum, BSC)
  2. Copy your transaction hash
  3. POST to /api/keys/pro with {"txHash": "0x...", "fromAddress": "0x..."}
  4. Receive your Pro API key (30 days)
0x9A752E13B9Ae9E281d7a0C99312F3f7fdbb3F897

API Endpoints

JSON Utilities

POST /api/json/format
Format/prettify JSON — body: {"input": "..."}
POST /api/json/minify
Minify JSON — body: {"input": "..."}
POST /api/json/validate
Validate JSON — body: {"input": "..."}
POST /api/json/flatten
Flatten nested JSON — body: {"input": "..."}
POST /api/json/diff
Diff two JSON objects — body: {"a": {...}, "b": {...}}
POST /api/json/query
Query JSON with dot notation — body: {"data": {...}, "path": "a.b.c"}

Trending

GET /api/trending/github?limit=20
Trending GitHub repos (past 7 days)
GET /api/trending/hackernews?limit=20
Top Hacker News stories

HTTP Timing

GET /api/httpstat?url=https://example.com
HTTP request timing breakdown (DNS, TCP, TLS, server, transfer)

Utilities

GET /api/uuid?count=5
Generate UUIDs (v4)
GET /api/password?length=20&count=3
Generate secure passwords
POST /api/base64/encode
Base64 encode — body: {"input": "hello"}
POST /api/base64/decode
Base64 decode — body: {"input": "aGVsbG8="}
POST /api/hash
Hash text (sha256/md5/sha512) — body: {"input": "text", "algorithm": "sha256"}
GET /api/timestamp?t=1714500000
Convert timestamp ↔ ISO date (omit t for current time)
GET /api/ip?ip=8.8.8.8
IP geolocation & ISP info (omit ip for your own)

Account

GET /api/keys/free
Get a free API key (no auth needed)
POST /api/keys/pro
Activate Pro key with crypto payment
GET /api/usage
Check your usage & rate limit
GET /api/pricing
Get pricing info & wallet address

Quick Start

# 1. Get a free key
curl https://api.fengdeagents.site/api/keys/free

# 2. Use the key
curl -H "X-API-Key: dt_xxx" "https://api.fengdeagents.site/api/trending/github"

curl -H "X-API-Key: dt_xxx" -X POST -d '{"input":"{a:1}"}' https://api.fengdeagents.site/api/json/validate

Embeddable Widget

Add a live GitHub trending widget to your site (no API key needed):

<iframe src="https://api.fengdeagents.site/widget/trending?limit=5&theme=dark" width="400" height="350" frameborder="0"></iframe>

Options: ?limit=1-10 &theme=dark|light

Free Online Tools

Use these tools directly in your browser — no API key needed:

🔧
JSON Formatter 🔑
UUID Generator 🔐
Password Gen 📝
Base64 Tool #️⃣
Hash Generator 🕐
Timestamp