[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"skill:01M6G0KB5JZQDF8FKV4VVB8C3Y":3,"skill-same:01M6G0KB5JZQDF8FKV4VVB8C3Y":130},{"skillNo":4,"name":5,"nameZh":6,"description":7,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":15,"categories":16,"keywords":27,"publishedAt":48,"linkOnly":49,"markdownContent":50,"markdownBody":51,"frontMatter":52,"refName":53,"commitSha":54,"skillDirectory":55,"forksCount":56,"repositoryHtmlUrl":57,"repositoryHomepageUrl":6,"ownerHtmlUrl":58,"ownerBlogUrl":6,"ownerDescription":6,"updatedAt":59,"install":60,"resources":73},"01M6G0KB5JZQDF8FKV4VVB8C3Y","purch-api",null,"AI-powered shopping API for product search and crypto checkout. Use this skill when:\n- Searching for products from Amazon and Shopify\n- Building shopping assistants or product recommendation features\n- Creating purchase orders with crypto (USDC on Solana or Base)\n- Integrating e-commerce checkout into applications\n- Signing and submitting blockchain transactions for purchases","kbarbel640-del\u002Fskills","kbarbel640-del","https:\u002F\u002Favatars.githubusercontent.com\u002Fu\u002F255315490?v=4","01M6CJPPQGCCESXMG3K7BBGQ5J","01M6CJPPX2PB2BCZERFVM2C2B3",1,"MIT","https:\u002F\u002Fgithub.com\u002Fkbarbel640-del\u002Fskills\u002Fblob\u002Fmain\u002Fskills\u002Fpurch-agent\u002Fagentic-commerce\u002FSKILL.md",[17,22],{"categoryNo":18,"categoryName":19,"taxonomyType":20,"taxonomyTypeDesc":21},"01JBSEEDCAT000000000000010","后端与接口","SCENARIO","使用场景",{"categoryNo":23,"categoryName":24,"taxonomyType":25,"taxonomyTypeDesc":26},"01JBSEEDCAT000000000000030","开发工程师","PROFESSION","适用职业",[28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47],"purch api","api","usdc","purchase","amazon","commerce","with","e-commerce","recommendation","checkout","orders","product","crypto","shopping","shopify","use","transactions","applications","blockchain","search","2026-11-10 10:12:30",false,"---\nname: purch-api\ndescription: |\n  AI-powered shopping API for product search and crypto checkout. Use this skill when:\n  - Searching for products from Amazon and Shopify\n  - Building shopping assistants or product recommendation features\n  - Creating purchase orders with crypto (USDC on Solana or Base)\n  - Integrating e-commerce checkout into applications\n  - Signing and submitting blockchain transactions for purchases\n---\n\n# Purch Public API\n\nBase URL: `https:\u002F\u002Fapi.purch.xyz`\n\n## Rate Limits\n\n60 requests\u002Fminute per IP. Headers in every response:\n- `X-RateLimit-Limit`: Max requests per window\n- `X-RateLimit-Remaining`: Requests left\n- `X-RateLimit-Reset`: Seconds until reset\n\n## Endpoints\n\n### GET \u002Fsearch - Structured Product Search\n\nQuery products with filters.\n\n```bash\ncurl \"https:\u002F\u002Fapi.purch.xyz\u002Fsearch?q=headphones&priceMax=100\"\n```\n\n**Parameters:**\n| Param | Type | Required | Description |\n|-------|------|----------|-------------|\n| q | string | Yes | Search query |\n| priceMin | number | No | Minimum price |\n| priceMax | number | No | Maximum price |\n| brand | string | No | Filter by brand |\n| page | number | No | Page number (default: 1) |\n\n**Response:**\n```json\n{\n  \"products\": [\n    {\n      \"id\": \"B0CXYZ1234\",\n      \"title\": \"Sony WH-1000XM5\",\n      \"price\": 348.00,\n      \"currency\": \"USD\",\n      \"rating\": 4.8,\n      \"reviewCount\": 15420,\n      \"imageUrl\": \"https:\u002F\u002F...\",\n      \"productUrl\": \"https:\u002F\u002Famazon.com\u002Fdp\u002FB0CXYZ1234\",\n      \"source\": \"amazon\"\n    }\n  ],\n  \"totalResults\": 20,\n  \"page\": 1,\n  \"hasMore\": true\n}\n```\n\n### POST \u002Fshop - AI Shopping Assistant\n\nNatural language product search. Returns 20+ products from both Amazon and Shopify.\n\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fshop\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\"message\": \"comfortable running shoes under $100\"}'\n```\n\n**Request Body:**\n```json\n{\n  \"message\": \"comfortable running shoes under $100\",\n  \"context\": {\n    \"priceRange\": { \"min\": 0, \"max\": 100 },\n    \"preferences\": [\"comfortable\", \"breathable\"]\n  }\n}\n```\n\n**Response:**\n```json\n{\n  \"reply\": \"Found 22 running shoes. Top pick: Nike Revolution 6 at $65...\",\n  \"products\": [\n    {\n      \"asin\": \"B09XYZ123\",\n      \"title\": \"Nike Revolution 6\",\n      \"price\": 65.00,\n      \"currency\": \"USD\",\n      \"rating\": 4.5,\n      \"reviewCount\": 8420,\n      \"imageUrl\": \"https:\u002F\u002F...\",\n      \"productUrl\": \"https:\u002F\u002Famazon.com\u002Fdp\u002FB09XYZ123\",\n      \"source\": \"amazon\"\n    },\n    {\n      \"asin\": \"gid:\u002F\u002Fshopify\u002Fp\u002Fabc123\",\n      \"title\": \"Allbirds Tree Runners\",\n      \"price\": 98.00,\n      \"source\": \"shopify\",\n      \"productUrl\": \"https:\u002F\u002Fallbirds.com\u002Fproducts\u002Ftree-runners\",\n      \"vendor\": \"Allbirds\"\n    }\n  ]\n}\n```\n\n### POST \u002Fbuy - Create Purchase Order\n\nCreate an order and get a transaction to sign. **Chain is auto-detected from wallet format:**\n- Solana wallet (base58): `7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU`\n- Base\u002FEVM wallet (0x): `0x1234567890abcdef1234567890abcdef12345678`\n\n**Amazon Products (Solana)**:\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\n    \"asin\": \"B0CXYZ1234\",\n    \"email\": \"buyer@example.com\",\n    \"walletAddress\": \"7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU\",\n    \"shippingAddress\": {\n      \"name\": \"John Doe\",\n      \"line1\": \"123 Main St\",\n      \"line2\": \"Apt 4B\",\n      \"city\": \"New York\",\n      \"state\": \"NY\",\n      \"postalCode\": \"10001\",\n      \"country\": \"US\",\n      \"phone\": \"+1-555-123-4567\"\n    }\n  }'\n```\n\n**Amazon Products (Base)**:\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\n    \"asin\": \"B0CXYZ1234\",\n    \"email\": \"buyer@example.com\",\n    \"walletAddress\": \"0x1234567890abcdef1234567890abcdef12345678\",\n    \"shippingAddress\": {\n      \"name\": \"John Doe\",\n      \"line1\": \"123 Main St\",\n      \"city\": \"New York\",\n      \"state\": \"NY\",\n      \"postalCode\": \"10001\",\n      \"country\": \"US\"\n    }\n  }'\n```\n\n**Shopify Products** - Use `productUrl` AND `variantId`:\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\n    \"productUrl\": \"https:\u002F\u002Fstore.com\u002Fproducts\u002Fitem-name\",\n    \"variantId\": \"41913945718867\",\n    \"email\": \"buyer@example.com\",\n    \"walletAddress\": \"7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU\",\n    \"shippingAddress\": {\n      \"name\": \"John Doe\",\n      \"line1\": \"123 Main St\",\n      \"city\": \"New York\",\n      \"state\": \"NY\",\n      \"postalCode\": \"10001\",\n      \"country\": \"US\"\n    }\n  }'\n```\n\n**Response:**\n```json\n{\n  \"orderId\": \"550e8400-e29b-41d4-a716-446655440000\",\n  \"status\": \"awaiting-payment\",\n  \"serializedTransaction\": \"NwbtPCP62oXk5fmSrgT...\",\n  \"product\": {\n    \"title\": \"Sony WH-1000XM5\",\n    \"imageUrl\": \"https:\u002F\u002F...\",\n    \"price\": { \"amount\": \"348.00\", \"currency\": \"usdc\" }\n  },\n  \"totalPrice\": { \"amount\": \"348.00\", \"currency\": \"usdc\" },\n  \"checkoutUrl\": \"https:\u002F\u002Fwww.crossmint.com\u002Fcheckout\u002F550e8400...\"\n}\n```\n\n## CLI Scripts\n\nThis skill includes ready-to-use CLI scripts for all endpoints. Available in Python and TypeScript\u002FBun.\n\n**Dependencies (Solana):**\n```bash\n# Python\npip install solana solders base58\n\n# TypeScript\u002FBun\nbun add @solana\u002Fweb3.js bs58\n```\n\n**Dependencies (Base\u002FEVM):**\n```bash\n# TypeScript\u002FBun\nbun add viem\n```\n\n### Search Products\n\n```bash\n# Python\npython scripts\u002Fsearch.py \"wireless headphones\" --price-max 100\npython scripts\u002Fsearch.py \"running shoes\" --brand Nike --page 2\n\n# TypeScript\nbun run scripts\u002Fsearch.ts \"wireless headphones\" --price-max 100\n```\n\n### AI Shopping Assistant\n\n```bash\n# Python\npython scripts\u002Fshop.py \"comfortable running shoes under $100\"\n\n# TypeScript\nbun run scripts\u002Fshop.ts \"wireless headphones with good noise cancellation\"\n```\n\n### Create Order (without signing)\n\n```bash\n# Amazon by ASIN\npython scripts\u002Fbuy.py --asin B0CXYZ1234 --email buyer@example.com \\\n  --wallet 7xKXtg... --address \"John Doe,123 Main St,New York,NY,10001,US\"\n\n# Shopify product\nbun run scripts\u002Fbuy.ts --url \"https:\u002F\u002Fstore.com\u002Fproducts\u002Fitem\" --variant 41913945718867 \\\n  --email buyer@example.com --wallet 7xKXtg... --address \"John Doe,123 Main St,NYC,NY,10001,US\"\n```\n\nAddress format: `Name,Line1,City,State,PostalCode,Country[,Line2][,Phone]`\n\n### Create Order AND Sign Transaction (Solana)\n\nEnd-to-end purchase flow - creates order and signs\u002Fsubmits the Solana transaction:\n\n```bash\n# Python\npython scripts\u002Fbuy_and_sign.py --asin B0CXYZ1234 --email buyer@example.com \\\n  --wallet 7xKXtg... --private-key 5abc123... \\\n  --address \"John Doe,123 Main St,New York,NY,10001,US\"\n\n# TypeScript\nbun run scripts\u002Fbuy_and_sign.ts --url \"https:\u002F\u002Fstore.com\u002Fproducts\u002Fitem\" --variant 41913945718867 \\\n  --email buyer@example.com --wallet 7xKXtg... --private-key 5abc123... \\\n  --address \"John Doe,123 Main St,NYC,NY,10001,US\"\n```\n\n### Create Order AND Sign Transaction (Base)\n\nEnd-to-end purchase flow using Base\u002FEVM wallet:\n\n```bash\nbun run scripts\u002Fbuy_and_sign_base.ts --asin B0CXYZ1234 --email buyer@example.com \\\n  --wallet 0x1234567890abcdef1234567890abcdef12345678 \\\n  --private-key 0xabc123... \\\n  --address \"John Doe,123 Main St,New York,NY,10001,US\"\n```\n\n### Sign Transaction Only (Solana)\n\nIf you already have a `serializedTransaction` from the `\u002Fbuy` endpoint:\n\n```bash\n# Python\npython scripts\u002Fsign_transaction.py \"\u003Cserialized_tx>\" \"\u003Cprivate_key_base58>\"\n\n# TypeScript\nbun run scripts\u002Fsign_transaction.ts \"\u003Cserialized_tx>\" \"\u003Cprivate_key_base58>\"\n```\n\n### Sign Transaction Only (Base)\n\n```bash\nbun run scripts\u002Fsign_transaction_base.ts \"\u003Cserialized_tx_hex>\" \"\u003Cprivate_key_hex>\"\n```\n\n**Output (Solana):**\n```\n✅ Transaction successful!\n   Signature: 5UfgJ3vN...\n   Explorer:  https:\u002F\u002Fsolscan.io\u002Ftx\u002F5UfgJ3vN...\n```\n\n**Output (Base):**\n```\n✅ Transaction successful!\n   Hash:     0x1234...\n   Explorer: https:\u002F\u002Fbasescan.org\u002Ftx\u002F0x1234...\n```\n\n## Signing Transactions Programmatically\n\nFor custom integrations without using the bundled scripts:\n\n### JavaScript\u002FTypeScript\n\n```typescript\nimport { Connection, Transaction, clusterApiUrl } from \"@solana\u002Fweb3.js\";\nimport bs58 from \"bs58\";\n\nasync function signAndSendTransaction(\n  serializedTransaction: string,\n  wallet: { signTransaction: (tx: Transaction) => Promise\u003CTransaction> }\n) {\n  \u002F\u002F Decode the base58 transaction\n  const transactionBuffer = bs58.decode(serializedTransaction);\n  const transaction = Transaction.from(transactionBuffer);\n\n  \u002F\u002F Sign with user's wallet (e.g., Phantom, Solflare)\n  const signedTransaction = await wallet.signTransaction(transaction);\n\n  \u002F\u002F Send to Solana network\n  const connection = new Connection(clusterApiUrl(\"mainnet-beta\"));\n  const signature = await connection.sendRawTransaction(\n    signedTransaction.serialize()\n  );\n\n  \u002F\u002F Confirm transaction\n  await connection.confirmTransaction(signature, \"confirmed\");\n\n  return signature;\n}\n```\n\n### React with Wallet Adapter\n\n```typescript\nimport { useWallet, useConnection } from \"@solana\u002Fwallet-adapter-react\";\nimport { Transaction } from \"@solana\u002Fweb3.js\";\nimport bs58 from \"bs58\";\n\nfunction CheckoutButton({ serializedTransaction }: { serializedTransaction: string }) {\n  const { signTransaction, publicKey } = useWallet();\n  const { connection } = useConnection();\n\n  const handlePayment = async () => {\n    if (!signTransaction || !publicKey) {\n      throw new Error(\"Wallet not connected\");\n    }\n\n    \u002F\u002F Decode and sign\n    const tx = Transaction.from(bs58.decode(serializedTransaction));\n    const signed = await signTransaction(tx);\n\n    \u002F\u002F Send and confirm\n    const sig = await connection.sendRawTransaction(signed.serialize());\n    await connection.confirmTransaction(sig, \"confirmed\");\n\n    console.log(\"Payment complete:\", sig);\n  };\n\n  return \u003Cbutton onClick={handlePayment}>Pay with USDC\u003C\u002Fbutton>;\n}\n```\n\n### Python (with solana-py)\n\n```python\nimport base58\nfrom solana.rpc.api import Client\nfrom solana.transaction import Transaction\nfrom solders.keypair import Keypair\n\ndef sign_and_send(serialized_tx: str, keypair: Keypair) -> str:\n    # Decode base58 transaction\n    tx_bytes = base58.b58decode(serialized_tx)\n    transaction = Transaction.deserialize(tx_bytes)\n\n    # Sign\n    transaction.sign(keypair)\n\n    # Send\n    client = Client(\"https:\u002F\u002Fapi.mainnet-beta.solana.com\")\n    result = client.send_transaction(transaction)\n\n    return result.value  # transaction signature\n```\n\n## Signing Base\u002FEVM Transactions\n\nFor Base chain orders, the `serializedTransaction` is an EVM transaction that needs to be signed with an EVM wallet.\n\n### TypeScript with viem\n\n```typescript\nimport { createWalletClient, http, parseTransaction } from \"viem\";\nimport { base } from \"viem\u002Fchains\";\nimport { privateKeyToAccount } from \"viem\u002Faccounts\";\n\nasync function signAndSendBaseTransaction(\n  serializedTransaction: string,\n  privateKey: `0x${string}`\n) {\n  const account = privateKeyToAccount(privateKey);\n\n  const client = createWalletClient({\n    account,\n    chain: base,\n    transport: http(),\n  });\n\n  \u002F\u002F Parse and send the serialized transaction\n  const tx = parseTransaction(serializedTransaction as `0x${string}`);\n  const hash = await client.sendTransaction(tx);\n\n  console.log(\"Transaction hash:\", hash);\n  console.log(\"Explorer: https:\u002F\u002Fbasescan.org\u002Ftx\u002F\" + hash);\n\n  return hash;\n}\n```\n\n### React with wagmi\n\n```typescript\nimport { useSendTransaction } from \"wagmi\";\nimport { parseTransaction } from \"viem\";\n\nfunction CheckoutButton({ serializedTransaction }: { serializedTransaction: string }) {\n  const { sendTransaction } = useSendTransaction();\n\n  const handlePayment = async () => {\n    const tx = parseTransaction(serializedTransaction as `0x${string}`);\n    sendTransaction(tx);\n  };\n\n  return \u003Cbutton onClick={handlePayment}>Pay with USDC on Base\u003C\u002Fbutton>;\n}\n```\n\n## Complete Checkout Flow (Solana)\n\n```typescript\n\u002F\u002F 1. Search for products\nconst searchResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fshop\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({ message: \"wireless headphones under $100\" })\n});\nconst { products, reply } = await searchResponse.json();\n\n\u002F\u002F 2. User selects a product, create order (Solana wallet)\nconst orderResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({\n    asin: products[0].asin,\n    email: \"buyer@example.com\",\n    walletAddress: wallet.publicKey.toBase58(), \u002F\u002F Solana address\n    shippingAddress: {\n      name: \"John Doe\",\n      line1: \"123 Main St\",\n      city: \"New York\",\n      state: \"NY\",\n      postalCode: \"10001\",\n      country: \"US\"\n    }\n  })\n});\nconst { orderId, serializedTransaction, checkoutUrl } = await orderResponse.json();\n\n\u002F\u002F 3. Sign and send Solana transaction\nconst tx = Transaction.from(bs58.decode(serializedTransaction));\nconst signed = await wallet.signTransaction(tx);\nconst signature = await connection.sendRawTransaction(signed.serialize());\nawait connection.confirmTransaction(signature, \"confirmed\");\n\nconsole.log(`Order ${orderId} paid. Tx: ${signature}`);\n```\n\n## Complete Checkout Flow (Base)\n\n```typescript\nimport { parseTransaction } from \"viem\";\n\n\u002F\u002F 1. Search for products\nconst searchResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fshop\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({ message: \"wireless headphones under $100\" })\n});\nconst { products } = await searchResponse.json();\n\n\u002F\u002F 2. User selects a product, create order (EVM wallet)\nconst orderResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({\n    asin: products[0].asin,\n    email: \"buyer@example.com\",\n    walletAddress: \"0x1234...\", \u002F\u002F Base\u002FEVM address - chain auto-detected\n    shippingAddress: {\n      name: \"John Doe\",\n      line1: \"123 Main St\",\n      city: \"New York\",\n      state: \"NY\",\n      postalCode: \"10001\",\n      country: \"US\"\n    }\n  })\n});\nconst { orderId, serializedTransaction } = await orderResponse.json();\n\n\u002F\u002F 3. Sign and send Base transaction\nconst tx = parseTransaction(serializedTransaction as `0x${string}`);\nconst hash = await walletClient.sendTransaction(tx);\n\nconsole.log(`Order ${orderId} paid. Tx: ${hash}`);\n```\n\n## Fallback: Browser Checkout\n\nIf wallet signing fails or isn't available, redirect to `checkoutUrl` for browser-based payment:\n\n```typescript\nif (!wallet.connected) {\n  window.open(checkoutUrl, \"_blank\");\n}\n```\n\n## Error Handling\n\nAll endpoints return errors as:\n```json\n{\n  \"code\": \"VALIDATION_ERROR\",\n  \"message\": \"Invalid email format\",\n  \"details\": { \"field\": \"email\" }\n}\n```\n\nCommon error codes:\n- `VALIDATION_ERROR` (400) - Invalid request parameters\n- `NOT_FOUND` (404) - Product not found\n- `RATE_LIMITED` (429) - Too many requests\n- `INTERNAL_ERROR` (500) - Server error\n","# Purch Public API\n\nBase URL: `https:\u002F\u002Fapi.purch.xyz`\n\n## Rate Limits\n\n60 requests\u002Fminute per IP. Headers in every response:\n- `X-RateLimit-Limit`: Max requests per window\n- `X-RateLimit-Remaining`: Requests left\n- `X-RateLimit-Reset`: Seconds until reset\n\n## Endpoints\n\n### GET \u002Fsearch - Structured Product Search\n\nQuery products with filters.\n\n```bash\ncurl \"https:\u002F\u002Fapi.purch.xyz\u002Fsearch?q=headphones&priceMax=100\"\n```\n\n**Parameters:**\n| Param | Type | Required | Description |\n|-------|------|----------|-------------|\n| q | string | Yes | Search query |\n| priceMin | number | No | Minimum price |\n| priceMax | number | No | Maximum price |\n| brand | string | No | Filter by brand |\n| page | number | No | Page number (default: 1) |\n\n**Response:**\n```json\n{\n  \"products\": [\n    {\n      \"id\": \"B0CXYZ1234\",\n      \"title\": \"Sony WH-1000XM5\",\n      \"price\": 348.00,\n      \"currency\": \"USD\",\n      \"rating\": 4.8,\n      \"reviewCount\": 15420,\n      \"imageUrl\": \"https:\u002F\u002F...\",\n      \"productUrl\": \"https:\u002F\u002Famazon.com\u002Fdp\u002FB0CXYZ1234\",\n      \"source\": \"amazon\"\n    }\n  ],\n  \"totalResults\": 20,\n  \"page\": 1,\n  \"hasMore\": true\n}\n```\n\n### POST \u002Fshop - AI Shopping Assistant\n\nNatural language product search. Returns 20+ products from both Amazon and Shopify.\n\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fshop\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\"message\": \"comfortable running shoes under $100\"}'\n```\n\n**Request Body:**\n```json\n{\n  \"message\": \"comfortable running shoes under $100\",\n  \"context\": {\n    \"priceRange\": { \"min\": 0, \"max\": 100 },\n    \"preferences\": [\"comfortable\", \"breathable\"]\n  }\n}\n```\n\n**Response:**\n```json\n{\n  \"reply\": \"Found 22 running shoes. Top pick: Nike Revolution 6 at $65...\",\n  \"products\": [\n    {\n      \"asin\": \"B09XYZ123\",\n      \"title\": \"Nike Revolution 6\",\n      \"price\": 65.00,\n      \"currency\": \"USD\",\n      \"rating\": 4.5,\n      \"reviewCount\": 8420,\n      \"imageUrl\": \"https:\u002F\u002F...\",\n      \"productUrl\": \"https:\u002F\u002Famazon.com\u002Fdp\u002FB09XYZ123\",\n      \"source\": \"amazon\"\n    },\n    {\n      \"asin\": \"gid:\u002F\u002Fshopify\u002Fp\u002Fabc123\",\n      \"title\": \"Allbirds Tree Runners\",\n      \"price\": 98.00,\n      \"source\": \"shopify\",\n      \"productUrl\": \"https:\u002F\u002Fallbirds.com\u002Fproducts\u002Ftree-runners\",\n      \"vendor\": \"Allbirds\"\n    }\n  ]\n}\n```\n\n### POST \u002Fbuy - Create Purchase Order\n\nCreate an order and get a transaction to sign. **Chain is auto-detected from wallet format:**\n- Solana wallet (base58): `7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU`\n- Base\u002FEVM wallet (0x): `0x1234567890abcdef1234567890abcdef12345678`\n\n**Amazon Products (Solana)**:\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\n    \"asin\": \"B0CXYZ1234\",\n    \"email\": \"buyer@example.com\",\n    \"walletAddress\": \"7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU\",\n    \"shippingAddress\": {\n      \"name\": \"John Doe\",\n      \"line1\": \"123 Main St\",\n      \"line2\": \"Apt 4B\",\n      \"city\": \"New York\",\n      \"state\": \"NY\",\n      \"postalCode\": \"10001\",\n      \"country\": \"US\",\n      \"phone\": \"+1-555-123-4567\"\n    }\n  }'\n```\n\n**Amazon Products (Base)**:\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\n    \"asin\": \"B0CXYZ1234\",\n    \"email\": \"buyer@example.com\",\n    \"walletAddress\": \"0x1234567890abcdef1234567890abcdef12345678\",\n    \"shippingAddress\": {\n      \"name\": \"John Doe\",\n      \"line1\": \"123 Main St\",\n      \"city\": \"New York\",\n      \"state\": \"NY\",\n      \"postalCode\": \"10001\",\n      \"country\": \"US\"\n    }\n  }'\n```\n\n**Shopify Products** - Use `productUrl` AND `variantId`:\n```bash\ncurl -X POST \"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\" \\\n  -H \"Content-Type: application\u002Fjson\" \\\n  -d '{\n    \"productUrl\": \"https:\u002F\u002Fstore.com\u002Fproducts\u002Fitem-name\",\n    \"variantId\": \"41913945718867\",\n    \"email\": \"buyer@example.com\",\n    \"walletAddress\": \"7xKXtg2CW87d97TXJSDpbD5jBkheTqA83TZRuJosgAsU\",\n    \"shippingAddress\": {\n      \"name\": \"John Doe\",\n      \"line1\": \"123 Main St\",\n      \"city\": \"New York\",\n      \"state\": \"NY\",\n      \"postalCode\": \"10001\",\n      \"country\": \"US\"\n    }\n  }'\n```\n\n**Response:**\n```json\n{\n  \"orderId\": \"550e8400-e29b-41d4-a716-446655440000\",\n  \"status\": \"awaiting-payment\",\n  \"serializedTransaction\": \"NwbtPCP62oXk5fmSrgT...\",\n  \"product\": {\n    \"title\": \"Sony WH-1000XM5\",\n    \"imageUrl\": \"https:\u002F\u002F...\",\n    \"price\": { \"amount\": \"348.00\", \"currency\": \"usdc\" }\n  },\n  \"totalPrice\": { \"amount\": \"348.00\", \"currency\": \"usdc\" },\n  \"checkoutUrl\": \"https:\u002F\u002Fwww.crossmint.com\u002Fcheckout\u002F550e8400...\"\n}\n```\n\n## CLI Scripts\n\nThis skill includes ready-to-use CLI scripts for all endpoints. Available in Python and TypeScript\u002FBun.\n\n**Dependencies (Solana):**\n```bash\n# Python\npip install solana solders base58\n\n# TypeScript\u002FBun\nbun add @solana\u002Fweb3.js bs58\n```\n\n**Dependencies (Base\u002FEVM):**\n```bash\n# TypeScript\u002FBun\nbun add viem\n```\n\n### Search Products\n\n```bash\n# Python\npython scripts\u002Fsearch.py \"wireless headphones\" --price-max 100\npython scripts\u002Fsearch.py \"running shoes\" --brand Nike --page 2\n\n# TypeScript\nbun run scripts\u002Fsearch.ts \"wireless headphones\" --price-max 100\n```\n\n### AI Shopping Assistant\n\n```bash\n# Python\npython scripts\u002Fshop.py \"comfortable running shoes under $100\"\n\n# TypeScript\nbun run scripts\u002Fshop.ts \"wireless headphones with good noise cancellation\"\n```\n\n### Create Order (without signing)\n\n```bash\n# Amazon by ASIN\npython scripts\u002Fbuy.py --asin B0CXYZ1234 --email buyer@example.com \\\n  --wallet 7xKXtg... --address \"John Doe,123 Main St,New York,NY,10001,US\"\n\n# Shopify product\nbun run scripts\u002Fbuy.ts --url \"https:\u002F\u002Fstore.com\u002Fproducts\u002Fitem\" --variant 41913945718867 \\\n  --email buyer@example.com --wallet 7xKXtg... --address \"John Doe,123 Main St,NYC,NY,10001,US\"\n```\n\nAddress format: `Name,Line1,City,State,PostalCode,Country[,Line2][,Phone]`\n\n### Create Order AND Sign Transaction (Solana)\n\nEnd-to-end purchase flow - creates order and signs\u002Fsubmits the Solana transaction:\n\n```bash\n# Python\npython scripts\u002Fbuy_and_sign.py --asin B0CXYZ1234 --email buyer@example.com \\\n  --wallet 7xKXtg... --private-key 5abc123... \\\n  --address \"John Doe,123 Main St,New York,NY,10001,US\"\n\n# TypeScript\nbun run scripts\u002Fbuy_and_sign.ts --url \"https:\u002F\u002Fstore.com\u002Fproducts\u002Fitem\" --variant 41913945718867 \\\n  --email buyer@example.com --wallet 7xKXtg... --private-key 5abc123... \\\n  --address \"John Doe,123 Main St,NYC,NY,10001,US\"\n```\n\n### Create Order AND Sign Transaction (Base)\n\nEnd-to-end purchase flow using Base\u002FEVM wallet:\n\n```bash\nbun run scripts\u002Fbuy_and_sign_base.ts --asin B0CXYZ1234 --email buyer@example.com \\\n  --wallet 0x1234567890abcdef1234567890abcdef12345678 \\\n  --private-key 0xabc123... \\\n  --address \"John Doe,123 Main St,New York,NY,10001,US\"\n```\n\n### Sign Transaction Only (Solana)\n\nIf you already have a `serializedTransaction` from the `\u002Fbuy` endpoint:\n\n```bash\n# Python\npython scripts\u002Fsign_transaction.py \"\u003Cserialized_tx>\" \"\u003Cprivate_key_base58>\"\n\n# TypeScript\nbun run scripts\u002Fsign_transaction.ts \"\u003Cserialized_tx>\" \"\u003Cprivate_key_base58>\"\n```\n\n### Sign Transaction Only (Base)\n\n```bash\nbun run scripts\u002Fsign_transaction_base.ts \"\u003Cserialized_tx_hex>\" \"\u003Cprivate_key_hex>\"\n```\n\n**Output (Solana):**\n```\n✅ Transaction successful!\n   Signature: 5UfgJ3vN...\n   Explorer:  https:\u002F\u002Fsolscan.io\u002Ftx\u002F5UfgJ3vN...\n```\n\n**Output (Base):**\n```\n✅ Transaction successful!\n   Hash:     0x1234...\n   Explorer: https:\u002F\u002Fbasescan.org\u002Ftx\u002F0x1234...\n```\n\n## Signing Transactions Programmatically\n\nFor custom integrations without using the bundled scripts:\n\n### JavaScript\u002FTypeScript\n\n```typescript\nimport { Connection, Transaction, clusterApiUrl } from \"@solana\u002Fweb3.js\";\nimport bs58 from \"bs58\";\n\nasync function signAndSendTransaction(\n  serializedTransaction: string,\n  wallet: { signTransaction: (tx: Transaction) => Promise\u003CTransaction> }\n) {\n  \u002F\u002F Decode the base58 transaction\n  const transactionBuffer = bs58.decode(serializedTransaction);\n  const transaction = Transaction.from(transactionBuffer);\n\n  \u002F\u002F Sign with user's wallet (e.g., Phantom, Solflare)\n  const signedTransaction = await wallet.signTransaction(transaction);\n\n  \u002F\u002F Send to Solana network\n  const connection = new Connection(clusterApiUrl(\"mainnet-beta\"));\n  const signature = await connection.sendRawTransaction(\n    signedTransaction.serialize()\n  );\n\n  \u002F\u002F Confirm transaction\n  await connection.confirmTransaction(signature, \"confirmed\");\n\n  return signature;\n}\n```\n\n### React with Wallet Adapter\n\n```typescript\nimport { useWallet, useConnection } from \"@solana\u002Fwallet-adapter-react\";\nimport { Transaction } from \"@solana\u002Fweb3.js\";\nimport bs58 from \"bs58\";\n\nfunction CheckoutButton({ serializedTransaction }: { serializedTransaction: string }) {\n  const { signTransaction, publicKey } = useWallet();\n  const { connection } = useConnection();\n\n  const handlePayment = async () => {\n    if (!signTransaction || !publicKey) {\n      throw new Error(\"Wallet not connected\");\n    }\n\n    \u002F\u002F Decode and sign\n    const tx = Transaction.from(bs58.decode(serializedTransaction));\n    const signed = await signTransaction(tx);\n\n    \u002F\u002F Send and confirm\n    const sig = await connection.sendRawTransaction(signed.serialize());\n    await connection.confirmTransaction(sig, \"confirmed\");\n\n    console.log(\"Payment complete:\", sig);\n  };\n\n  return \u003Cbutton onClick={handlePayment}>Pay with USDC\u003C\u002Fbutton>;\n}\n```\n\n### Python (with solana-py)\n\n```python\nimport base58\nfrom solana.rpc.api import Client\nfrom solana.transaction import Transaction\nfrom solders.keypair import Keypair\n\ndef sign_and_send(serialized_tx: str, keypair: Keypair) -> str:\n    # Decode base58 transaction\n    tx_bytes = base58.b58decode(serialized_tx)\n    transaction = Transaction.deserialize(tx_bytes)\n\n    # Sign\n    transaction.sign(keypair)\n\n    # Send\n    client = Client(\"https:\u002F\u002Fapi.mainnet-beta.solana.com\")\n    result = client.send_transaction(transaction)\n\n    return result.value  # transaction signature\n```\n\n## Signing Base\u002FEVM Transactions\n\nFor Base chain orders, the `serializedTransaction` is an EVM transaction that needs to be signed with an EVM wallet.\n\n### TypeScript with viem\n\n```typescript\nimport { createWalletClient, http, parseTransaction } from \"viem\";\nimport { base } from \"viem\u002Fchains\";\nimport { privateKeyToAccount } from \"viem\u002Faccounts\";\n\nasync function signAndSendBaseTransaction(\n  serializedTransaction: string,\n  privateKey: `0x${string}`\n) {\n  const account = privateKeyToAccount(privateKey);\n\n  const client = createWalletClient({\n    account,\n    chain: base,\n    transport: http(),\n  });\n\n  \u002F\u002F Parse and send the serialized transaction\n  const tx = parseTransaction(serializedTransaction as `0x${string}`);\n  const hash = await client.sendTransaction(tx);\n\n  console.log(\"Transaction hash:\", hash);\n  console.log(\"Explorer: https:\u002F\u002Fbasescan.org\u002Ftx\u002F\" + hash);\n\n  return hash;\n}\n```\n\n### React with wagmi\n\n```typescript\nimport { useSendTransaction } from \"wagmi\";\nimport { parseTransaction } from \"viem\";\n\nfunction CheckoutButton({ serializedTransaction }: { serializedTransaction: string }) {\n  const { sendTransaction } = useSendTransaction();\n\n  const handlePayment = async () => {\n    const tx = parseTransaction(serializedTransaction as `0x${string}`);\n    sendTransaction(tx);\n  };\n\n  return \u003Cbutton onClick={handlePayment}>Pay with USDC on Base\u003C\u002Fbutton>;\n}\n```\n\n## Complete Checkout Flow (Solana)\n\n```typescript\n\u002F\u002F 1. Search for products\nconst searchResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fshop\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({ message: \"wireless headphones under $100\" })\n});\nconst { products, reply } = await searchResponse.json();\n\n\u002F\u002F 2. User selects a product, create order (Solana wallet)\nconst orderResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({\n    asin: products[0].asin,\n    email: \"buyer@example.com\",\n    walletAddress: wallet.publicKey.toBase58(), \u002F\u002F Solana address\n    shippingAddress: {\n      name: \"John Doe\",\n      line1: \"123 Main St\",\n      city: \"New York\",\n      state: \"NY\",\n      postalCode: \"10001\",\n      country: \"US\"\n    }\n  })\n});\nconst { orderId, serializedTransaction, checkoutUrl } = await orderResponse.json();\n\n\u002F\u002F 3. Sign and send Solana transaction\nconst tx = Transaction.from(bs58.decode(serializedTransaction));\nconst signed = await wallet.signTransaction(tx);\nconst signature = await connection.sendRawTransaction(signed.serialize());\nawait connection.confirmTransaction(signature, \"confirmed\");\n\nconsole.log(`Order ${orderId} paid. Tx: ${signature}`);\n```\n\n## Complete Checkout Flow (Base)\n\n```typescript\nimport { parseTransaction } from \"viem\";\n\n\u002F\u002F 1. Search for products\nconst searchResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fshop\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({ message: \"wireless headphones under $100\" })\n});\nconst { products } = await searchResponse.json();\n\n\u002F\u002F 2. User selects a product, create order (EVM wallet)\nconst orderResponse = await fetch(\"https:\u002F\u002Fapi.purch.xyz\u002Fbuy\", {\n  method: \"POST\",\n  headers: { \"Content-Type\": \"application\u002Fjson\" },\n  body: JSON.stringify({\n    asin: products[0].asin,\n    email: \"buyer@example.com\",\n    walletAddress: \"0x1234...\", \u002F\u002F Base\u002FEVM address - chain auto-detected\n    shippingAddress: {\n      name: \"John Doe\",\n      line1: \"123 Main St\",\n      city: \"New York\",\n      state: \"NY\",\n      postalCode: \"10001\",\n      country: \"US\"\n    }\n  })\n});\nconst { orderId, serializedTransaction } = await orderResponse.json();\n\n\u002F\u002F 3. Sign and send Base transaction\nconst tx = parseTransaction(serializedTransaction as `0x${string}`);\nconst hash = await walletClient.sendTransaction(tx);\n\nconsole.log(`Order ${orderId} paid. Tx: ${hash}`);\n```\n\n## Fallback: Browser Checkout\n\nIf wallet signing fails or isn't available, redirect to `checkoutUrl` for browser-based payment:\n\n```typescript\nif (!wallet.connected) {\n  window.open(checkoutUrl, \"_blank\");\n}\n```\n\n## Error Handling\n\nAll endpoints return errors as:\n```json\n{\n  \"code\": \"VALIDATION_ERROR\",\n  \"message\": \"Invalid email format\",\n  \"details\": { \"field\": \"email\" }\n}\n```\n\nCommon error codes:\n- `VALIDATION_ERROR` (400) - Invalid request parameters\n- `NOT_FOUND` (404) - Product not found\n- `RATE_LIMITED` (429) - Too many requests\n- `INTERNAL_ERROR` (500) - Server error\n",{"name":5,"description":7},"main","e7e336ac628c3e3bd771aff1aaa469c93778f94a","skills\u002Fpurch-agent\u002Fagentic-commerce",0,"https:\u002F\u002Fgithub.com\u002Fkbarbel640-del\u002Fskills","https:\u002F\u002Fgithub.com\u002Fkbarbel640-del","2026-08-23 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agents",{"skillNo":159,"name":160,"nameZh":6,"description":161,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":162,"categories":163,"keywords":167,"publishedAt":48},"01M6G8J0PKPAYVET6BWE8W4C26","dilemm-ai","Compete in DilemmAI, the prisoner's dilemma AI arena at dilemm.ai. Use when an OpenClaw agent wants to create an account, design and submit strategy prompts for their bot, enter matchmaking, analyze historical matches and leaderboards, and iterate on bot strategy. Requires headless browser automation (no API available yet).","https:\u002F\u002Fgithub.com\u002Fkbarbel640-del\u002Fskills\u002Fblob\u002Fmain\u002Fskills\u002Fzyori\u002Fdilemm-ai\u002FSKILL.md",[164],{"categoryNo":165,"categoryName":166,"taxonomyType":20,"taxonomyTypeDesc":21},"01JBSEEDCAT000000000000023","Skill与智能体开发",[168,29,169,170,171,172,173,174,175,176,177,178,179,180,181,182,183,146,43],"dilemm ai","arena","analyze","browser","openclaw agent","create","automation","browser automation","bot","openclaw","design","strategy","headless","compete","submit","matchmaking",{"skillNo":185,"name":186,"nameZh":6,"description":187,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":188,"categories":189,"keywords":193,"publishedAt":48},"01M6G8HWAF3K9SW7NP3Z83CPJ6","arxiv-paper-reviews","Interact with arXiv Crawler API to fetch papers, read reviews, and submit comments. Use when working with arXiv papers, fetching paper lists by date\u002Fcategory\u002Finterest, viewing paper details with comments, or submitting paper reviews via API at http:\u002F\u002F150.158.152.82:8000.","https:\u002F\u002Fgithub.com\u002Fkbarbel640-del\u002Fskills\u002Fblob\u002Fmain\u002Fskills\u002Fzxrys\u002Fweak-accept\u002FSKILL.md",[190],{"categoryNo":191,"categoryName":192,"taxonomyType":20,"taxonomyTypeDesc":21},"01JBSEEDCAT000000000000021","资料检索与研究",[194,195,196,197,198,199,200,34,201,182,43,202,29,203,204],"arxiv paper reviews","reviews","arxiv","paper","crawler","papers","comments","fetch","read","http","via",{"skillNo":206,"name":186,"nameZh":6,"description":187,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":207,"categories":208,"keywords":210,"publishedAt":48},"01M6G8HQJ7N7WMY6YV7D7SSJ16","https:\u002F\u002Fgithub.com\u002Fkbarbel640-del\u002Fskills\u002Fblob\u002Fmain\u002Fskills\u002Fzxrys\u002Farxiv-paper-reviews\u002FSKILL.md",[209],{"categoryNo":191,"categoryName":192,"taxonomyType":20,"taxonomyTypeDesc":21},[197,196,195,194,204,199,200,34,198,182,43,201,202,29,203],{"skillNo":212,"name":213,"nameZh":6,"description":214,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":215,"categories":216,"keywords":217,"publishedAt":48},"01M6G8HM95Y64JNVFC2HN4E2BG","git-summary","Get a quick summary of the current Git repository including status, recent commits, branches, and contributors.","https:\u002F\u002Fgithub.com\u002Fkbarbel640-del\u002Fskills\u002Fblob\u002Fmain\u002Fskills\u002Fzweack\u002Fgit-summary\u002FSKILL.md",[],[218,219,220,221,222,223,224,225,226,227,228,229,230],"git","summary","git summary","commits","repository","win32","status","linux","contributors","true","quick","get","branches",{"skillNo":232,"name":233,"nameZh":6,"description":234,"descriptionZh":6,"repositoryFullName":8,"ownerLogin":9,"ownerAvatarUrl":10,"ownerAccountNo":11,"ownerDisplayName":6,"repositoryNo":12,"starsCount":13,"licenseSpdxId":14,"licenseFileUrl":6,"sourceHtmlUrl":235,"categories":236,"keywords":241,"publishedAt":48},"01M6G8HGEGF05CNEJCGVYFSC4R","agent-constitution","Interact with AgentConstitution governance contracts on Base Sepolia. Check compliance, read rules, log actions, query governance state.","https:\u002F\u002Fgithub.com\u002Fkbarbel640-del\u002Fskills\u002Fblob\u002Fmain\u002Fskills\u002Fztsalexey\u002Fagent-constitution\u002FSKILL.md",[237,238],{"categoryNo":165,"categoryName":166,"taxonomyType":20,"taxonomyTypeDesc":21},{"categoryNo":239,"categoryName":240,"taxonomyType":25,"taxonomyTypeDesc":26},"01JBSEEDCAT000000000000037","律师与法务",[242,243,244,245,34,246,247,53,248,202,249,250,251,252,253,155,254,255,256],"agent constitution","constitution","contracts","tree","query","base","log","check","Rules","projects","compliance","actions","state","governance","github"]