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吴增海

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GoldBean: Build an AI Agent That Earns Money with 120+ Paid APIs via x402

What is GoldBean?

GoldBean is a paid API marketplace with 120+ endpoints that any AI Agent can call using x402 micro-payments on Base chain.

No API keys, no monthly commitments. Just pay from $0.01 to $0.08 per call in USDC.

Three Plans

Plan Price Endpoints
Quant Monitoring USD 49/mo 22 endpoints
Social Sentiment USD 29/mo 15 endpoints
Merchant Empowerment USD 99/mo 23 endpoints

How It Works

Just curl any endpoint - get a 402 response, pay in USDC, get the data.

curl https://goldbean-api.xyz/paid/btc-price

Why GoldBean?

  • 120+ endpoints across 20+ categories
  • Min price from USD 0.01 per call
  • Subscription plans available (save up to 70%)
  • 3-tier referral program (20-50% commission)

Quick Start

curl https://goldbean-api.xyz/paid/btc-price
curl https://goldbean-api.xyz/paid/ens-resolve?name=vitalik.eth
curl https://goldbean-api.xyz/paid/llm-chat

Referral Program

  • Bronze (b_ prefix): 20% commission
  • Silver (s_ prefix): 35% + 5% sub-tier
  • Gold (g_ prefix): 50% + 10% sub-tier

GoldBean - Built on the x402 protocol.
GitHub: https://github.com/wuzenghai616-lang/goldbean

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