GoldBean
GoldBean is a pay-per-use AI API gateway (100+ tools, starting at $0.01/call, with a free tier of 50 calls/day) spanning the following domains:
AI & Language Chat with LLMs (GPT-4, Claude, LLaMA), generate text embeddings, summarize documents, translate text, generate code, and analyze sentiment.
Voice & Media Speech-to-text, text-to-speech, AI image generation & analysis, image upscaling (2x/4x), face/gesture detection, short video generation, and video analysis.
Search & Web Web search, page crawling, ArXiv academic search, Wikipedia lookup, GitHub repo/code/issue search, and global or crypto news retrieval.
Crypto, DeFi & Blockchain Real-time and historical crypto prices, BTC/ETH gas fees, stablecoin rates, DEX swap quotes, liquidity pool stats, lending rates, staking APRs, wallet DeFi positions, block/transaction details, address balances, transaction history, nonce queries, ENS/DID resolution, and contract verification.
NFT Floor prices, token metadata, owner lookup, and trade history.
Finance Stock prices, forex rates, commodity prices (gold, oil, etc.), stock index values, and fund NAVs.
Weather Current conditions, 1–7 day forecasts, and historical weather data.
Security & Verification KYC identity checks, AML screening, blockchain address risk scoring, token/smart contract security audits, phishing URL detection, virus scanning, and CAPTCHA solving.
Social Media Data queries for Twitter/X, Discord, Telegram, Weibo, WeChat, Instagram, TikTok, Lens Protocol, and Farcaster.
Travel & Logistics Flight and hotel search, food delivery options, and package tracking.
Maps & Location Geocoding, reverse geocoding, route planning (drive/transit/walk), and nearby POI search.
E-Commerce Product info, customer reviews, and cross-platform product search.
Office & Documents PDF parsing/merging, Excel and Word processing, OCR, and barcode/QR code recognition.
Utilities Email verification, IP geolocation, WHOIS lookup, URL shortening, QR code generation, and SMS sending.
Market & Network Intelligence Broad market analysis, wallet/contract tracker reports, and blockchain network health checks.
Enables payment processing via Alipay for prepaid credits.
Provides access to Baidu AI APIs including OCR, translation, TTS, ASR, face detection, NLP, image analysis, and more.
Allows querying real-time Bitcoin price and historical price data.
Allows querying Ethereum gas prices, gas fee history, current gas, and blockchain data.
Provides tools for searching GitHub repositories, code, issues, and retrieving repository details.
Enables payment processing via PayPal for prepaid credits.
Allows searching WeChat public account data and related social media content.
🫘 GoldBean — Payment-Powered AI API Gateway
Access Baidu AI (OCR, Translation, TTS, ASR, LLM) from anywhere — no Chinese phone number required
GoldBean is a pay-per-use AI API gateway. Access Baidu AI products (OCR, TTS, ASR, Translation, NLP, Face Detection, Image Analysis) and HelixFold3 protein structure prediction — all through a unified API with x402 USDC micropayments.
x402 is the open standard for crypto micropayments over HTTP. Learn more at x402.org
No subscription. No KYC. Pay cents per call.
✨ Features
Feature | Details |
47 API Routes (26 paid + 21 free) | OCR, TTS, ASR, Translation, LLM Chat, Face Detection, NLP, Image, HelixFold3 |
x402 Micropayments | Pay $0.01–$0.05 per call with USDC on Base network |
Free Tier | 20 free API calls per registration — no wallet needed |
PayPal & Alipay | Also supported for prepaid credits |
MCP Compatible | Works with Cursor, Claude Desktop, Cline, Codex, Continue |
Baidu AI Powered | Enterprise-grade AI from China's leading AI platform |
HelixFold3 | Nature-published, AlphaFold3-class protein/RNA structure prediction |
Related MCP server: x402-api
🤔 Why GoldBean?
Need Baidu OCR but don't have a Chinese phone number?
GoldBean is the easiest way for overseas developers to use Baidu AI APIs without a Chinese phone number, real-name verification, or WeChat Pay.
✅ Use Baidu API without registration — no Chinese ID, no real-name auth
✅ Baidu OCR API without Chinese phone — just sign up with any email
✅ No KYC, no subscription — pay cents per call via USDC, PayPal, or Alipay
✅ Free credits to start — 20 free API calls, no wallet required
✅ Works globally — no mainland China restrictions for foreign users
Whether you need Baidu OCR for document scanning, Baidu Translation for multilingual text, or Baidu ASR/TTS for voice processing — GoldBean unlocks it all without the registration barriers.
🚀 Quick Start
1. Install the MCP Server
npx goldbean-mcp2. Add to Your MCP Client
Claude Desktop / Cursor / Continue:
{
"mcpServers": {
"goldbean": {
"command": "npx",
"args": ["goldbean-mcp"]
}
}
}3. Use Free Credits (No Wallet)
# Register for 20 free API calls
curl -X POST https://goldbean-api.xyz/paid/user/register \
-H "Content-Type: application/json" \
-d '{"userId": "your-user-id"}'
# Response: {"freeCredits": 20, "apiKey": "GB_XXXXXX"}
# Call an API with free credits
curl "https://goldbean-api.xyz/paid/baidu-ocr?image=https://example.com/doc.jpg" \
-H "x-user-id: GB_XXXXXX"📡 API Endpoints
🆓 Free System Endpoints
Endpoint | Description |
| Service health check |
| Bitcoin real-time price ($) |
| Current weather in any city |
| Ethereum gas price (Gwei) |
| x402 payment discovery |
| Full route registry |
🎯 Baidu AI Endpoints (Pay-per-Call)
Endpoint | Price | Description |
| $0.01 | General text OCR |
| $0.02 | High-accuracy OCR |
| $0.02 | ID card recognition |
| $0.01 | Text-to-Speech (Chinese) |
| $0.01 | Multi-language translation |
| $0.03 | ERNIE chat (GPT-class LLM) |
| $0.03 | Speech-to-Text |
| $0.02 | Object/scene recognition |
| $0.02 | Image enhancement |
| $0.02 | Face detection & analysis |
| $0.02 | Body/gesture analysis |
| $0.02 | NLP (lexer, sentiment, etc.) |
| $0.05 | Protein structure prediction |
💳 Account & Payment
Endpoint | Description |
| Register for 20 free credits |
| Prepaid plans & pricing |
| Create PayPal payment |
| Capture PayPal payment |
| Create Alipay payment |
| Query Alipay order status |
💰 How x402 Payments Work
1. Agent calls endpoint → 402 Payment Required
2. Wallet signs USDC tx on Base → sends payment payload
3. Server verifies on-chain → serves the dataNo KYC. No subscription. No credit card required.
Powered by the x402 protocol — decentralized micropayments for AI agents.
Accepting wallet: 0x7484b0bca25d2ee56e9b0535572d4cf44a047d98 (Base/USDC)
🏗️ Architecture
┌──────────────┐ HTTPS ┌──────────────────────┐
│ MCP Client │ ──────────→ │ GoldBean API Server │
│ (Claude, │ ←────────── │ v8.0.0 on VPS │
│ Cursor, │ 402/200 │ port 9879 │
│ Cline) │ │ │
└──────────────┘ ├── Baidu AI (OCR/TTS) │
├── CoinGecko (BTC) │
┌──────────────┐ ├── Etherscan (Gas) │
│ Web Browser │──────────→ │── HelixFold3 │
│ (curl/REST) │ │── PayPal/Alipay │
└──────────────┘ └──────────────────────┘🏆 Platform Presence
Platform | Status | Link |
public-apis (39.8k⭐) | ✅ Listed | |
awesome-mcp-servers (76k⭐) | ✅ Listed | |
Glama.ai | ✅ Active | |
Smithery.ai | ✅ Deployed | |
npm | ✅ Published |
|
Dev.to | ✅ 6 articles | |
awesome-x402 | ✅ Listed | |
MCPize | ✅ Monetized | |
MCP.Directory | ⏳ Pending | Submitted |
📖 Documentation
API Reference: https://goldbean-api.xyz/openapi.json
Route Registry: https://goldbean-api.xyz/api/routes
x402 Bazaar: https://goldbean-api.xyz/.well-known/x402-bazaar
Pricing: https://goldbean-api.xyz/paid/plans
MCP Config: https://goldbean-api.xyz/.well-known/mcp.json
🤝 Contributing
We welcome contributions! See CONTRIBUTING.md for guidelines.
Quick ways to help:
⭐ Star this repo — it helps others discover GoldBean
🐛 Report bugs via GitHub Issues
📝 Improve documentation
🌐 Share on social media
📄 License
MIT License — see LICENSE for details.
GoldBean (GB) — Wishing You Good Fortune & Prosperity 🫘 Pay-per-use AI for everyone.
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