Using the Anthropic API to directly call Claude is not a high-threshold task, but when it comes to "how to use it smoothly in China" or "should I buy a subscription first," it starts to become a headache. Claude Code, a terminal tool, is great to use, but the official requirement for a subscription and a specific network link means that many developers have lost half of their enthusiasm by the time they finish registering an account and linking a credit card.
As a result, people have started looking for alternatives. In a few groups I'm in, the most discussed approaches are basically three: honestly subscribing to the official website, building your own relay API and using it with the Claude Code command line, or directly using a modified client like clawdfree that doesn't require a subscription. Today, I'll focus on the latter two, as they are the real solutions to the "both this and that" problem.
Building your own relay vs. using a modified client directly: which one to choose?
Building your own relay API is nothing new. The principle is simple: you buy an overseas VPS, deploy an API proxy service (e.g., using Nginx reverse proxy or a ready-made openai-api-proxy), and then point the request address of Claude Code to your own server. The advantage is that the link is controllable and data doesn't pass through third parties. The drawback is also obvious: you need to tinker with the server, handle certificates, maintain stability, and there is always the risk of the VPS being blocked.
The other path is to directly use a modified client made by others. For example, clawdfree itself is based on the official Claude Code v2.1.88 version, with the core modification being the removal of the account subscription verification module and the inclusion of built-in route optimization. All you need to do is fill in a third-party API Key, and in some cases, you don't even need to configure a Key manually to run it. This is currently the lowest-cost and fastest way to get started.
But there is one thing to note: the security and stability of a modified client depend entirely on the publisher. You cannot guarantee that it won't send some strange data packets in the background, nor can you guarantee that it will be maintained long-term. If you're just running code assistance for non-sensitive projects on your personal computer, it's not a big problem. But if it's a company's production environment or involves confidential code, I still recommend building your own relay.
Real comparison: three use cases
Let me share my actual experience. Scenario one: I just want to quickly test the terminal capabilities of Claude Code, but I don't want to spend $20 on a Claude Pro subscription. At this point, the official threshold is obviously too high, and clawdfree is almost the only plug-and-play solution. From downloading to running the first command, it can be done in five minutes.
Scenario two: I'm responsible for infrastructure in a team and want to provide a stable Claude Code call channel for a few members. In this case, I would choose to build my own relay API server, combined with unified API Key management. Although the modified client can also work, during team collaboration, you cannot control each person's client version, and troubleshooting becomes costly when issues arise.
Scenario three: I need to frequently switch between different API accounts to test usage or cost allocation. In this case, the flexibility of the modified client is higher—it usually allows you to directly specify the API endpoint. You only need to change a Key and Base URL in the configuration file, without having to modify the entire deployment architecture.
Pitfall avoidance advice: who should not take the "subscription-free" route
Not everyone is suitable for using the claude code free API relay solution. If you are very sensitive to response latency—for example, you are doing interactive code review and expect feedback within a second after each Enter—then the quality of the relay line in the modified client directly determines the lower limit of the experience. Some free or low-cost third-party API relays may limit concurrency or lower priority, and you can noticeably feel lag during peak hours.
In addition, if you are using an Anthropic API account bound to a corporate email, it is recommended not to use it on unapproved third-party clients. Although the modified client is convenient, you cannot audit its code line by line. If the API Key leaks, you bear the security risk yourself.
As for rankings like "best free claude code proxy 2026" that change frequently, I suggest not taking them too seriously. The availability of relay services often fluctuates on a weekly basis; a route that works fine today might be down tomorrow. A reliable approach is to have two or three available relay addresses on hand. Whether you use clawdfree or other tools, having a backup is never wrong.
So, how to choose?
If you just want to save on subscription fees and quickly experience the terminal capabilities of Claude Code, clawdfree is currently the most hassle-free solution. It allows you to bypass account restrictions and directly use a third-party API to run it. If you have requirements for stability, security, or team collaboration, then honestly build your own relay, or directly purchase an official subscription.
One last reminder: no matter which option you choose, remember to set usage limits for your API Key. No matter how convenient the modified client is, it can't withstand someone running tens of thousands of requests in a frenzy—the bill is always yours.
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