One API.
Every AI
Model.
Access Claude, GPT, Gemini & 50+ AI models through a single endpoint. Pay less, code more.
WORKS WITH
Quick Setup
PS> irm "https://izziapi.com/install.ps1?key=YOUR_KEY" | iex
Sets up API key and auto-configures Claude Code, Cursor, and more.
46 Supported Models
Including 17 maintained models · ultra-low fees from $0.04/1M
Access top AI models from Claude, OpenAI, Google, SambaNova, NVIDIA, Cerebras, and more.
All pricing →Llama 3.1 405B
DeepSeek R1
DeepSeek V3
Llama 3.3 70B
QwQ 32B
Qwen3 32B
Nemotron 70B
Llama 3.3 70B
Mistral 7B
Llama 3.1 8B
Nemotron 3 Super 120B
Devstral 2 123B
Gemma 3 27B
Llama 3.3 70B
Auto Router
Step 3.5 Flash
GLM 4.5 Air
GPT-5 Mini
GPT-5.1 Mini
Gemini 2.5 Flash Lite
GPT-4o Mini
GPT-5.4 Nano
Grok 4.1 Fast
Gemini 2.5 Flash
GPT-4.1 Mini
GPT-5.4 Mini
Claude Haiku 4.5
GPT-5.1
GPT-5.1 Codex
GPT-5.1
GPT-5.1 Codex
o3-mini
GPT-4.1
GPT-4o
Auto Select
Claude Sonnet 4.6
Claude Opus 4.6
Claude Sonnet 4.5
Claude Sonnet 4
Claude Opus 4
Gemini 2.5 Pro
GPT-5.2
GPT-5.4
GPT-5.2
GPT-5.4
Grok 4
Get started in minutes
Sign Up
Sign in with Google — start using 21 free maintained models instantly
Install
Run npx izziapi or clone izzi-openclaw from GitHub — auto-configure everything
Start Coding
Open terminal, run claude — works immediately with optimized pricing
Top Up
Need Claude/GPT-5? Deposit $1+ → credits added instantly. No minimum.
Why developers choose Izzi
From $0.04/M tokens. 21 free maintained models included. OpenAI + Anthropic compatible endpoints.
Routing
Automatic cost-based routing picks the best model for each request type.
Savings
30-50% cheaper than direct API access. Bulk pricing passed through to you.
Security
SOC2-aligned infrastructure with key rotation and per-key usage limits.
Caching
Smart response caching reduces repeat processing costs significantly.
Compatible
Works with Claude Code, Cursor, Cline, Windsurf, OpenClaw, and any OpenAI/Anthropic SDK.
Monitoring
Real-time usage dashboards with per-model cost breakdowns and alerts.
API Formats
Standard OpenAI and Anthropic compatible endpoints. No code changes — just set the base URL.
OpenAI Compatible
/v1/chat/completions
Full Chat Completions API with streaming, function calling, and tool use. Drop-in replacement for any OpenAI SDK.
OPENAI_BASE_URL=https://api.izziapi.com/v1 OPENAI_API_KEY=izzi-xxxxx
Anthropic Compatible
/v1/messages
Full Messages API with streaming, extended thinking, and prompt caching. Works with Claude Code, Cline, and the Anthropic SDK.
ANTHROPIC_BASE_URL=https://api.izziapi.com ANTHROPIC_API_KEY=izzi-xxxxx
Frequently Asked
Sign up for free, get your API key, and run the install command. It auto-configures Claude Code, Cursor, and other tools in seconds. Or clone izzi-openclaw from GitHub for one-click OpenClaw setup.
We negotiate bulk rates with AI providers and use optimized infrastructure to deliver premium models at lower cost. Maintained models use free-tier upstream providers with minimal markup.
Set model to 'auto' and our system auto-selects the most cost-effective model for your task. Simple prompts → fast/cheap models, complex code → Claude/GPT-5.
Our API is 100% compatible with both Anthropic and OpenAI endpoints. Claude Code, Cursor, Windsurf, Cline, Roo Code, Aider, Continue, OpenClaw, Gemini CLI, Codex CLI, and more.
No. Your topped-up balance never expires. Use it whenever you want — there's no time limit.
Bank transfer (VND VietQR), cryptocurrency (BTC, ETH, USDT via Cryptomus), and Lolzteam marketplace balance.
17+ models from SambaNova, NVIDIA NIM, OpenRouter, StepFun, Z.ai (DeepSeek R1, Llama 405B, Nemotron 70B, Qwen3 32B, QwQ 32B, and more) with ultra-low maintenance fees (from $0.04/1M tokens). Free upstream providers — you only pay infrastructure cost.
Yes! Every account (including free tier) receives 5 credits that auto-refresh every 5 hours. Paid plans get 35-400 credits per cycle with stacking up to 3x. Balance from deposits never expires.
Start building with AI today
5 free credits every 5 hours. 21 free models. No credit card required.