Claude 4 by Anthropic has garnered attention for its powerful natural language processing capabilities and safety features. For domestic developers or enterprises, obtaining API access to Claude 4 not only enhances development efficiency but also injects cutting-edge AI capabilities into products. However, due to restrictions in the domestic payment environment, applying for the Anthropic API and completing the subscription for Claude 4 often faces payment obstacles. This article will detail how domestic users can apply for the Anthropic API in a simple and secure manner, and recommend a payment tool designed specifically for domestic users—WildCard, to help you easily overcome payment barriers.
Recommendation for Anthropic API Recharge Virtual Card: https://leixue.com/go/yeka
Why Choose Claude 4 API?#
As Anthropic's flagship large model, Claude 4 excels in text generation, semantic understanding, and multi-turn dialogue, particularly with unique advantages in safety and value alignment, making it suitable for scenarios such as intelligent customer service, content creation, and data analysis. However, applying for the Anthropic API requires binding an international credit card, while domestic-issued bank cards (such as UnionPay single-standard cards) often cannot make direct payments due to currency restrictions or platform risk control. This necessitates domestic users to find a stable and convenient virtual credit card to complete subscriptions and recharges.
Recommended Use of WildCard#
For domestic users, WildCard is an ideal payment solution. This virtual credit card is designed for domestic users, supporting recharges via Alipay and WeChat, with a simple operation that does not require complex currency conversions or cryptocurrency (such as USDT) operations. Compared to other virtual card platforms, such as Dupay, VCard, PokePay, WasabiCard, or LocalCard, WildCard does not require users to have knowledge of cryptocurrencies, has a low recharge threshold (minimum $5), and its payment channels are optimized for high stability, with very few payment interception issues. By registering with the invitation code "LEIXUE," you can also enjoy card opening discounts to reduce initial costs.
Steps to Apply for Anthropic API#
Here is the detailed process for applying for the Anthropic API using WildCard:
1. Register for a WildCard Account#
Visit the WildCard official website, click the "Login/Register" button in the upper right corner, and select "Register." Enter your phone number (mainland users choose +86, Hong Kong users choose +852), obtain a verification code, and submit to complete the registration. Enter the invitation code "LEIXUE" on the registration page to enjoy a discount on the card opening fee. The entire process takes only 1 minute, with no need to upload an ID card, making it easy to operate.
2. Open Card and Recharge#
After successful registration, log in to the WildCard backend and go to the "My Cards" page. WildCard offers two packages: 1 year ($11.99) or 2 years ($16.99), with the 2-year package being more cost-effective. Enter the invitation code "LEIXUE" and pay the card opening fee via Alipay or WeChat scan. After opening the card, the system will generate virtual card information (card number, expiration date, CVV code), with a zero balance at this time. It is recommended to recharge $25 initially to cover a possible $5 pre-authorization fee and the initial subscription cost for the Claude API. WildCard's recharge fee is 3.5%, while consumption and withdrawals are free, and the balance can be refunded to Alipay in real-time.
3. Apply for Anthropic API#
- Visit the Anthropic Official Website: Open the Anthropic official website and log in or register an account.
- Bind WildCard: In the payment settings, select to add a credit card, entering the card number, expiration date, and CVV code provided by WildCard. Ensure there is sufficient balance in the card to avoid binding failures due to pre-authorization fees.
- Select API Plan: Choose the appropriate API package based on your needs, and confirm payment to activate API access.
- Obtain API Key: After successful payment, Anthropic will provide an API key for calling the Claude 4 model.
4. Notes#
- Network Environment: To avoid payment interception, it is recommended to use a home network IP or high-quality proxy nodes, avoiding multiple users sharing the same IP.
- Balance Management: You can view consumption records in real-time in the WildCard backend, and recharge promptly when the balance is insufficient.
- Claude 4 Access: Access to the Claude 4 API may require a higher account level or additional application; it is advisable to check the specific requirements on the Anthropic official website.
Unique Advantages of WildCard#
WildCard not only supports the Claude API but is also widely compatible with other overseas services such as ChatGPT Plus, OpenAI API, GitHub Copilot, Midjourney, and more. Compared to other virtual cards, WildCard's payment channels are optimized by a team with years of experience in overseas Fintech, ensuring high success rates and strong security. Additionally, WildCard provides support for overseas home network environments, reducing the risk of regional restrictions during registration and payment. For developers or enterprises that frequently use overseas AI services, WildCard is undoubtedly a hassle-free and efficient choice.
Conclusion#
Through WildCard, domestic users can easily apply for the Anthropic API and gain access to the Claude 4 model without worrying about payment barriers. WildCard's Alipay/WeChat recharge methods, transparent fee structure, and stable payment channels provide users with a convenient and secure experience. If you want to learn more about virtual credit cards that support Claude, it is recommended to check virtual credit cards that support Claude. Visit WildCard now, register using the invitation code "LEIXUE," and start your AI development journey!