302API

302API is an API proxy service that lets users access multiple AI models using a single key.

302API is an AI model API proxy service that allows users to call Claude, GPT, Gemini, and DeepSeek using a single key. It supports both OpenAI-compatible interfaces and Anthropic native interfaces through a unified base URL. The service uses direct official routing rather than shared account pools or reverse-engineered web interfaces. Users can view public model prices, billing rules, and integration tutorials on the platform. It provides clear billing with itemized token tracking for inputs, caching, and outputs in the console.

302API at a glance

Best for: Software engineer, Product manager
Runs on: API
Pricing: Freemium
Released: October 2026
Category: AI research tool
Website: 302api.com

Key features

Single key access for multiple AI models
OpenAI-compatible interface support
Anthropic native interface support
Public pricing and billing rules
Itemized token tracking for costs
Direct official routing lines

Use it for

Calling multiple AI models with one key
Integrating AI models via OpenAI or Anthropic interfaces
Tracking API token usage and billing costs

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