# A2Agent > Unified API gateway for leading Chinese LLMs — one key for GLM, Kimi, DeepSeek, Qwen, MiniMax, and more. ## Docs - [Top Up Your A2Agent Account Balance and Manage Billing](https://docs.a2agent.me/account/billing.md): Add credits to your A2Agent account using USDT, Stripe, PayPal, or an overseas card. Your balance never expires and there is no monthly fee. - [Check A2Agent Service Status and Provider Availability](https://docs.a2agent.me/account/status.md): Monitor real-time availability and historical uptime for every A2Agent provider channel. All platform channels target 99.9% uptime. - [Monitor Your A2Agent API Usage and Spending Trends](https://docs.a2agent.me/account/usage.md): View real-time token consumption and spending for any A2Agent API key using the in-dashboard console or the privacy-safe public lookup tool. - [A2Agent API Authentication: Keys and Bearer Tokens](https://docs.a2agent.me/api-reference/authentication.md): Authenticate every A2Agent API request with a Bearer token. Learn how to pass your key via the OpenAI SDK, Anthropic SDK, or raw HTTP curl commands. - [Chat Completions Endpoint — POST /v1/chat/completions](https://docs.a2agent.me/api-reference/chat-completions.md): Send a list of messages to any A2Agent model and receive a completion. The endpoint is fully compatible with the OpenAI Chat Completions request format. - [List All Available A2Agent Models — GET /v1/models](https://docs.a2agent.me/api-reference/models-list.md): Retrieve all model IDs available on your A2Agent account. Use any returned ID as the model parameter when calling POST /v1/chat/completions. - [A2Agent API Overview: OpenAI-Compatible LLM Gateway](https://docs.a2agent.me/api-reference/overview.md): A2Agent is an OpenAI-compatible API gateway for Chinese LLMs. Point any OpenAI or Anthropic client at https://api.a2agent.me/v1 to get started. - [API Key Authentication for A2Agent Requests](https://docs.a2agent.me/authentication.md): Create and manage A2Agent API keys from the console. Pass your key as a Bearer token on every request — works with OpenAI and Anthropic-compatible clients. - [Connect Claude Code to A2Agent for Cheaper LLM Access](https://docs.a2agent.me/clients/claude-code.md): Route Claude Code through A2Agent to access DeepSeek, Kimi, GLM, and more at a fraction of the official price. One config file is all it takes. - [Use OpenAI Codex CLI with A2Agent for Cheaper Models](https://docs.a2agent.me/clients/codex.md): Redirect OpenAI's Codex CLI to A2Agent by setting two environment variables. Get DeepSeek, Kimi, GLM, and more at a fraction of official pricing. - [Use Gemini CLI with A2Agent's OpenAI-Compatible API](https://docs.a2agent.me/clients/gemini-cli.md): Point Google's Gemini CLI at A2Agent's OpenAI-compatible endpoint to use DeepSeek, Kimi, GLM, and MiniMax models with two environment variables. - [A2Agent: Frequently Asked Questions — Models and API](https://docs.a2agent.me/help/faq.md): Common questions about A2Agent models, billing, free trial credits, API error codes, privacy policy, and account eligibility answered. - [A2Agent Privacy Policy — API Data Handling and Storage](https://docs.a2agent.me/help/privacy.md): How A2Agent handles your API request data, what metadata is retained for billing, and how your API keys and account information are protected. - [A2Agent: One API Key for Every Major Chinese LLM](https://docs.a2agent.me/introduction.md): A2Agent is an API gateway for GLM, Kimi, DeepSeek, Qwen, and MiniMax — one key, OpenAI-compatible, at a fraction of official pricing. Free trial credits included. - [A2Agent Model Catalog: DeepSeek, GLM, Kimi, MiniMax & Qwen](https://docs.a2agent.me/models/overview.md): Browse all LLMs available on A2Agent — DeepSeek, GLM, Kimi, MiniMax, and Qwen — with context windows, capabilities, and model IDs. - [A2Agent Model Pricing — All LLM Per-Token Rates in USD](https://docs.a2agent.me/models/pricing.md): Per-token pricing for all 20 A2Agent models in USD per million tokens. Pay-as-you-go, no monthly subscription, and your balance never expires. - [Quickstart: Send Your First Request with A2Agent](https://docs.a2agent.me/quickstart.md): Sign up for A2Agent, create an API key, and send your first OpenAI-compatible chat completion request to GLM, Kimi, DeepSeek, Qwen, or MiniMax in under five minutes. ## Optional - [Dashboard](https://a2agent.me/login) - [Status](https://a2agent.me/status)