GoldBean - Baidu AI API Marketplace with x402 Micropayments

What is GoldBean - Baidu AI API Marketplace with x402 Micropayments?

GoldBean is a pay-per-use AI API gateway that provides access to Baidu AI products (OCR, TTS, ASR, Translation, NLP, Face Detection, Image Analysis) and HelixFold3 protein structure prediction through a unified API with x402 USDC micropayments. It is designed for overseas developers who need Baidu AI APIs without a Chinese phone number, real-name verification, or WeChat Pay.

How to use GoldBean - Baidu AI API Marketplace with x402 Micropayments?

Install the MCP server via npx goldbean-mcp and add it to your MCP client configuration (Claude Desktop, Cursor, Continue). Register for 20 free API calls using a curl POST to https://goldbean-api.xyz/paid/user/register and then use the returned API key to call endpoints. For paid calls, set up a USDC wallet on Base network, or use PayPal/Alipay for prepaid credits.

Key features of GoldBean - Baidu AI API Marketplace with x402 Micropayments

• 47 API routes (26 paid, 21 free) covering Baidu AI and HelixFold3.
• x402 micropayments with USDC on Base ($0.01–$0.05 per call).
• Free tier: 20 free API calls per registration, no wallet required.
• Supports PayPal and Alipay for prepaid credit purchases.
• MCP compatible with Cursor, Claude Desktop, Cline, Codex, Continue.
• No Chinese phone number, KYC, or subscription needed.

Use cases of GoldBean - Baidu AI API Marketplace with x402 Micropayments

• Document scanning with Baidu OCR without Chinese registration barriers.
• Multilingual text translation for global applications.
• Voice processing (ASR/TTS) for voice-enabled apps.
• Protein structure prediction via HelixFold3.
• Pay-per-use ERNIE LLM chat for AI-powered conversations.

FAQ from GoldBean - Baidu AI API Marketplace with x402 Micropayments

Do I need a Chinese phone number or real-name verification to use Baidu APIs through GoldBean?

No. GoldBean allows you to use Baidu AI APIs with any email address – no Chinese phone number, real-name authentication, or WeChat Pay is required.

How do payments work? What is x402?

The x402 protocol enables micropayments with USDC on the Base network. When an endpoint returns a 402 Payment Required status, your wallet signs a USDC transaction (typically $0.01–$0.05), and the server verifies it on-chain before serving the data. No KYC or subscription is needed.

Is there a free tier available?

Yes. Every registration receives 20 free API calls with no wallet required. You can also use PayPal or Alipay to purchase prepaid credits.

What APIs are available through GoldBean?

GoldBean offers 47 routes: Baidu OCR (general, accurate, ID card), Baidu TTS, ASR, Translation, ERNIE LLM chat, Face Detection, Body Analysis, NLP (lexer, sentiment), Image Enhancement/Recognition, and HelixFold3 protein structure prediction. Free system endpoints include health, BTC price, weather, and Ethereum gas price.

Which MCP clients are supported?

GoldBean works with Cursor, Claude Desktop, Cline, Codex, and Continue. It is listed on multiple directories including awesome-mcp-servers, Glama.ai, and Smithery.ai.