usefy 2.0.0

Usefy SDK - Thin wrapper for AI providers via Usefy proxy

Usefy SDK

Real-time cost control for AI & API platforms. Prevent budget overruns with pre-flight checks and automatic enforcement.

Features

• 🛡️ Budget Enforcement - Block requests before they cost you money
• ⚡ 12ms Latency - Minimal performance impact
• 🔄 Fail-Open - Your app keeps running if Usefy is down
• 📊 Real-time Dashboard - Monitor usage and savings
• 🔑 API Key Management - Secure authentication
• 🎯 Flexible Policies - Per-project, per-user, or custom scopes

Quick Start

1. Sign Up

Get your API key at usefy.ai/signup

2. Install

Python:

pip install usefy

JavaScript:

npm install usefy

3. Use

Python:

from usefy import UsefyClient
from openai import OpenAI

# Initialize
guard = UsefyClient(api_key="us_live_your_key_here", project_id="your_project")

# Wrap your client
client = guard.wrap_openai(OpenAI(api_key="your_openai_key"))

# Use normally - budgets enforced automatically
response = client.chat.completions.create(
    model="gpt-4",
    messages=[{"role": "user", "content": "Hello!"}]
)

JavaScript:

import { UsefyClient } from 'usefy';
import OpenAI from 'openai';

const guard = new UsefyClient({
    apiKey: 'us_live_your_key_here',
    projectId: 'your_project'
});

const openai = new OpenAI({ apiKey: process.env.OPENAI_API_KEY });
const client = guard.wrapOpenAI(openai);

const response = await client.chat.completions.create({
    model: 'gpt-4',
    messages: [{ role: 'user', content: 'Hello!' }]
});

Supported Providers

• ✅ OpenAI (GPT-4, GPT-3.5, etc.)
• ✅ Google Gemini (Pro, Flash, etc.)
• ✅ Anthropic Claude
• ✅ Azure OpenAI
• ✅ And more...

Documentation

• Quick Start Guide
• Dashboard

Architecture

┌─────────────┐
│  Your App   │
└──────┬──────┘
       │
       ▼
┌─────────────────┐
│   Usefy SDK     │  ← Pre-flight check
└──────┬──────────┘
       │
       ├─→ ✅ Allowed → OpenAI/Gemini
       │
       └─→ ❌ Blocked (budget exceeded)

Performance

• Latency: 12ms avg (P99: 45ms)
• Availability: 99.9%
• Fail-open: Yes (requests proceed if API down)

Security

• SHA-256 API key hashing
• TLS encryption
• No data retention

Pricing

• Free: 10,000 requests/month
• Pro: $29/month - 100,000 requests
• Enterprise: Custom pricing

Sign up now

Support

• Email: [e-mail]
• GitHub: github.com/sherlocq61/usefy

License

MIT License - USEFY LTD