OpenAI-compatible AI API relay for multiple AI models with prepaid wallet billing
Open-source AI gateway you run yourself
Stage
Not given
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Founded
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Based in
HK
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Pricing model
Paid
Open source
Pricing
Chat models from $0.019708 per million tokens; Image models from $0.00386 per image; Video models from $0.016 per second; Audio models from $0.00291 per request; Embedding models from $0.019 per million tokens. Example rates: Grok 4.6 at $1.9 input/$5.7 output per million tokens, Claude Opus 5.5 at
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Key features
OpenAI-compatible base URL and SDK support
197 AI models across 30 brands
Chat, image, video, audio and embedding models
Prepaid wallet billing with per-token pricing
Minimum $1 top-up with multiple payment methods
Alipay, Stripe, Antom and cryptocurrency payments
Dashboard with usage and spending records
Seven-language interface
API keys and spending limits management
Public API status page for provider availability
Single sign-on with OpenID Connect and two-factor authentication
Format translation through KPP canonical format, allowing any SDK to call any model
Spend and token budgets with hard limits that are never skipped
Complete request logging with status, tokens, cost, timing and content when permitted
Encrypted provider key storage with AES-256-GCM
Web console for managing organizations, projects, members, roles and request logs
Stateless Rust gateway for horizontal scaling
Support for 14 built-in AI providers
Docker Compose deployment with Caddy, PostgreSQL, Valkey and ClickHouse
Error reporting that names unsupported fields instead of silently dropping them
What makes it different
Single API key and endpoint for 197 models from 30 brands
OpenAI SDK compatibility with one-line URL change
Global payment options including cryptocurrency and Alipay
Transparent per-model pricing visible before API calls
Support for emerging AI providers and latest models
OpenID Connect single sign-on and two-factor authentication included in the open-source code, not an enterprise edition
Hard budgets with worst-case reserves for every request to prevent burst overruns
Single MIT-licensed repository for gateway, console, KPP and UI library with no separate enterprise version
Rust gateway architecture with no interpreter on the hot path for performance
TokenMix
Kaeso