ZenMux

zenmux.ai

An AI gateway providing a unified OpenAI-, Anthropic-, and Vertex AI-compatible API to access 100+ AI models from multiple providers.

The ZenMux API uses Bearer token authentication; has freemium pricing; offers a free tier ($0 fixed monthly Builder plan tier available; free model trials (e.g. Grok 4.5) and promotional free credits); rate limits: Subscription plans: 10-15 RPM with weekly quota cap; Pay-As-You-Go: unlimited rate/concurrency. Exceeding limits returns 422.. Verified 2026-07-27 with per-field source links.

AI & Machine Learning Verified 2026-07-27 medium confidence

Base URL

https://zenmux.ai/api/v1

zenmux.ai ↗

Auth

Bearer token

zenmux.ai ↗

Free tier

$0 fixed monthly Builder plan tier available; free model trials (e.g. Grok 4.5) and promotional free credits

zenmux.ai ↗

Pricing model

freemium

zenmux.ai ↗

Pricing

Subscription (Builder Plan): fixed monthly fee of $0 / $20 / $100 / $200; Pay-As-You-Go: token-level usage-based billing with +10% top-up credit bonus

zenmux.ai ↗

Rate limits

Subscription plans: 10-15 RPM with weekly quota cap; Pay-As-You-Go: unlimited rate/concurrency. Exceeding limits returns 422.

zenmux.ai ↗

OpenAPI spec

not documented null

no source

MCP server

not documented null

no source