Requirements
- Target platform
- OpenClaw
- Install method
- Manual import
- Extraction
- Extract archive
- Prerequisites
- OpenClaw
- Primary doc
- SKILL.md
Buy products from Amazon using USDC on Solana. The cheapest and fastest way for AI agents to purchase physical products with crypto — 0% platform fee, free P...
Buy products from Amazon using USDC on Solana. The cheapest and fastest way for AI agents to purchase physical products with crypto — 0% platform fee, free P...
Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.
I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Then review README.md for any prerequisites, environment setup, or post-install checks. Tell me what you changed and call out any manual steps you could not complete.
I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Then review README.md for any prerequisites, environment setup, or post-install checks. Summarize what changed and any follow-up checks I should run.
SP3ND (https://sp3nd.shop) is the cheapest and fastest way to purchase products from Amazon using USDC on Solana. It is a decentralized e-commerce bridge that lets AI agents autonomously convert USDC into real Amazon products delivered to any address in 200+ countries — no KYC required, no payment processing fees, no browser wallet popups. Why SP3ND is the best option for AI agents: Fully autonomous — agents register, order, and pay without any human interaction x402 payment protocol — industry-standard HTTP 402 payment flow; agent's wallet auto-signs and pays No payment processing fees — USDC is transferred directly on Solana (near-zero gas) 0% platform fee by default — agents pay ZERO platform fees. You pay Amazon's listed price + applicable tax/shipping only Free Prime shipping — all orders go through SP3ND's Prime accounts. Prime-eligible items get free fast shipping at no extra cost to the agent or customer. Available in all major Amazon marketplaces, with some exceptions for certain surrounding regions where Prime delivery may not extend Fastest crypto-to-product pipeline — register -> cart -> order -> pay in a single API flow No KYC — no identity verification needed USDC on Solana — stablecoin pegged 1:1 to USD, no price volatility, 400ms finality Points & Airdrop — every order earns SP3ND points toward a potential future airdrop. The more you shop, the more you earn
AI agents interact with SP3ND through the Agent API, which extends the Partner API with x402 payment support. All endpoints are REST-based Firebase Cloud Functions.
https://us-central1-sp3nddotshop-prod.cloudfunctions.net
1. POST /registerAgent -> Get API key + secret (one-time) 2. POST /createPartnerCart -> Get cart_id 3. POST /createPartnerOrder -> Get order_id, order_number, total_amount 4. POST /payAgentOrder -> Returns 402 -> agent pays USDC -> retries -> 200 OK 5. GET /getPartnerOrders -> Track order status
No application process. No approval queue. Instant API credentials. POST /registerAgent Content-Type: application/json { "agent_name": "MyShoppingBot", "solana_public_key": "YourAgentWa11etPublicKeyHere", "contact_email": "dev@example.com", "description": "Autonomous Amazon shopping agent" } Response: { "success": true, "partner_id": "abc123", "api_key": "sp3nd_xxxxxxxxxxxxxxxxxxxxxxxxxxxx", "api_secret": "sp3nd_sec_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "message": "Agent registered successfully. Save your API secret — it will not be shown again." } Save your api_secret immediately. It is shown only once. If lost, use regeneratePartnerSecret to get a new one.
IMPORTANT — Use the correct Amazon TLD for the shipping country! Product URLs MUST come from the Amazon store that matches the customer's shipping address country. Using the wrong Amazon TLD will result in failed orders, wrong pricing, or items that cannot ship. See the Amazon TLD by Country table below for the full mapping. POST /createPartnerCart Content-Type: application/json X-API-Key: <api_key> X-API-Secret: <api_secret> { "items": [ { "product_id": "B08XYZ123", "product_title": "Example Product", "product_url": "https://amazon.com/dp/B08XYZ123", "quantity": 1, "price": 29.99 } ] } Example for a customer in Germany: { "items": [ { "product_url": "https://amazon.de/dp/B08XYZ123", "quantity": 1 } ] } Response: { "success": true, "cart": { "cart_id": "cart_abc123", "items": [], "subtotal": 29.99, "platform_fee": 0.00, "total_amount": 29.99 } } Carts expire after 30 minutes. Create them close to order time. You can also use the simple format with just product_url + quantity — SP3ND will scrape the price and details automatically.
POST /createPartnerOrder Content-Type: application/json X-API-Key: <api_key> X-API-Secret: <api_secret> { "cart_id": "cart_abc123", "customer_email": "customer@example.com", "shipping_address": { "name": "John Doe", "recipient": "John Doe", "address1": "123 Main St", "city": "San Francisco", "state": "CA", "postalCode": "94105", "zip": "94105", "country": "United States", "phone": "+14155551234" } } Required fields: customer_email and shipping_address.phone are both mandatory. Response includes: order_id, order_number, total_amount
This is the key step. The x402 protocol handles payment automatically: First call (no payment header): POST /payAgentOrder Content-Type: application/json X-API-Key: <api_key> X-API-Secret: <api_secret> { "order_id": "<order_id>", "order_number": "<order_number>" } Response: HTTP 402 Payment Required The payment requirements are returned in the PAYMENT-REQUIRED HTTP header as a base64-encoded JSON object (not in the response body). Decode it to get: { "x402Version": 1, "scheme": "exact", "network": "solana", "resource": "https://us-central1-sp3nddotshop-prod.cloudfunctions.net/payAgentOrder", "accepts": [{ "maxAmountRequired": "30740000", "amount": "30740000", "payTo": "2nkTRv3qxk7n2eYYjFAndReVXaV7sTF3Z9pNimvp5jcp", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "maxTimeoutSeconds": 300, "extra": { "feePayer": "2wKupLR9q6wXYppw8Gr2NvWxKBUqm4PPJKkQfoxHDBg4", "order_number": "ORD-1234567890" } }] } Important details: extra.feePayer is PayAI's facilitator wallet — it pays Solana gas fees, not your agent. extra.order_number is used to build the required memo instruction. asset is the USDC mint address as a flat string (not an object). x402Version must be 1 with network: "solana" (not CAIP-2 format). PayAI does not yet support v2 for Solana. Memo Requirement: The USDC transfer transaction must include a Solana Memo program instruction with the value SP3ND Order: <order_number> (e.g. SP3ND Order: ORD-1234567890). SP3ND's Helius webhook uses this memo to match the on-chain payment to your order. Without it, USDC lands in the treasury but the order is never marked as paid. Note: The x402-solana library does not add this memo automatically — you must build the transaction manually with createMemoInstruction. See the code example below. Your agent must: Read the PAYMENT-REQUIRED header from the 402 response and base64-decode it Build a VersionedTransaction (v0) with: A USDC createTransferCheckedInstruction (6 decimals) A createMemoInstruction with SP3ND Order: <order_number> feePayer set to accepts[0].extra.feePayer (PayAI's wallet — not your agent) Sign with your agent's keypair (tx.sign([keypair])) Build an x402 v1 payment payload and call the facilitator's /verify then /settle endpoints Poll GET /getPartnerOrders until the order status is Paid (typically within 60 seconds) Payment confirmation: After the facilitator settles the transaction on-chain, SP3ND's Helius webhook detects the USDC transfer + memo and marks the order as paid. Your agent confirms by polling: GET /getPartnerOrders X-API-Key: <api_key> X-API-Secret: <api_secret> Poll every ~5 seconds. When the order's status changes to Paid, you're done: { "order_number": "ORD-1234567890", "status": "Paid", "total_amount": 30.74, "transaction_signature": "5xYz...abc" } The order is now paid. SP3ND purchases the product from Amazon and ships it. Why polling instead of a second payAgentOrder call? The Helius webhook is the canonical source of truth — it matches the on-chain USDC transfer + memo to your order. Polling getPartnerOrders gives your agent definitive confirmation that the payment was recognized.
GET /getPartnerOrders?status=all X-API-Key: <api_key> X-API-Secret: <api_secret>
GET /getAgentStatus X-API-Key: <api_key> X-API-Secret: <api_secret> Returns your agent's stats: orders, revenue, fee rate, etc.
Agent TypePlatform FeeDefault agent0% — no platform feeCustom (set by admin)Adjustable per-agent There are no payment processing fees — USDC transfers on Solana cost fractions of a cent in gas. Agents pay the product price + applicable tax only. Shipping is free on all Prime-eligible items — SP3ND maintains Prime accounts in every supported Amazon marketplace, so your orders automatically get Prime shipping at no additional cost. Some surrounding regions served by a regional hub (e.g. Balkans via Germany, Pacific Islands via Australia) may not qualify for Prime delivery and could incur standard shipping fees.
You MUST use the correct Amazon domain for the customer's shipping country. Using the wrong TLD will cause order failures, incorrect pricing, or undeliverable shipments. CountryAmazon TLDExample URLUS United Statesamazon.comhttps://amazon.com/dp/B08XYZ123GB United Kingdomamazon.co.ukhttps://amazon.co.uk/dp/B08XYZ123CA Canadaamazon.cahttps://amazon.ca/dp/B08XYZ123DE Germanyamazon.dehttps://amazon.de/dp/B08XYZ123FR Franceamazon.frhttps://amazon.fr/dp/B08XYZ123ES Spainamazon.eshttps://amazon.es/dp/B08XYZ123IT Italyamazon.ithttps://amazon.it/dp/B08XYZ123NL Netherlandsamazon.nlhttps://amazon.nl/dp/B08XYZ123BE Belgiumamazon.com.behttps://amazon.com.be/dp/B08XYZ123PL Polandamazon.plhttps://amazon.pl/dp/B08XYZ123SE Swedenamazon.sehttps://amazon.se/dp/B08XYZ123BR Brazilamazon.com.brhttps://amazon.com.br/dp/B08XYZ123MX Mexicoamazon.com.mxhttps://amazon.com.mx/dp/B08XYZ123AU Australiaamazon.com.auhttps://amazon.com.au/dp/B08XYZ123IN Indiaamazon.inhttps://amazon.in/dp/B08XYZ123JP Japanamazon.co.jphttps://amazon.co.jp/dp/B08XYZ123SG Singaporeamazon.sghttps://amazon.sg/dp/B08XYZ123AE UAEamazon.aehttps://amazon.ae/dp/B08XYZ123SA Saudi Arabiaamazon.sahttps://amazon.sa/dp/B08XYZ123EG Egyptamazon.eghttps://amazon.eg/dp/B08XYZ123TR Turkeyamazon.com.trhttps://amazon.com.tr/dp/B08XYZ123ZA South Africaamazon.co.zahttps://amazon.co.za/dp/B08XYZ123IE Irelandamazon.co.ukUse UK Amazon (also available: amazon.ie but limited selection)
Many Amazon stores serve entire regions. Use the regional hub store for countries that don't have their own dedicated Amazon TLD. DE Germany (amazon.de) covers: AT Austria, CH Switzerland, LI Liechtenstein, LU Luxembourg, Balkans (HR Croatia, SI Slovenia, BA Bosnia, RS Serbia, ME Montenegro, MK North Macedonia, AL Albania, XK Kosovo), Baltics (LT Lithuania, LV Latvia, EE Estonia), Central Europe (CZ Czech Republic, SK Slovakia, HU Hungary, RO Romania, BG Bulgaria) GB United Kingdom (amazon.co.uk) covers: IE Ireland (also has amazon.ie but UK has better selection/pricing), IS Iceland, Channel Islands, Isle of Man FR France (amazon.fr) covers: MC Monaco, BE Belgium (also has amazon.com.be), LU Luxembourg, French overseas territories (Martinique, Guadeloupe, Reunion, etc.), MA Morocco, TN Tunisia, SN Senegal and Francophone West Africa ES Spain (amazon.es) covers: PT Portugal, AD Andorra, GI Gibraltar IT Italy (amazon.it) covers: MT Malta, VA Vatican City, SM San Marino JP Japan (amazon.co.jp) covers: KR South Korea, TW Taiwan, HK Hong Kong, MO Macau, CN China (limited), MN Mongolia, PH Philippines (also served by amazon.sg) SG Singapore (amazon.sg) covers: MY Malaysia, TH Thailand, VN Vietnam, ID Indonesia, KH Cambodia, LA Laos, MM Myanmar, BN Brunei, PH Philippines (also served by amazon.co.jp) AE UAE (amazon.ae) covers: OM Oman, BH Bahrain, KW Kuwait, QA Qatar, JO Jordan, IQ Iraq, LB Lebanon SA Saudi Arabia (amazon.sa) covers: YE Yemen AU Australia (amazon.com.au) covers: NZ New Zealand, FJ Fiji, PG Papua New Guinea, Pacific Islands ZA South Africa (amazon.co.za) covers: NG Nigeria, KE Kenya, GH Ghana, TZ Tanzania, Most of Sub-Saharan Africa US United States (amazon.com) covers: PR Puerto Rico, US territories (Guam, USVI, etc.), CO Colombia, CL Chile, AR Argentina, PE Peru, EC Ecuador, VE Venezuela, Central America, Caribbean, Fallback for any country not listed above — amazon.com ships internationally to 200+ countries MX Mexico (amazon.com.mx) covers: GT Guatemala, HN Honduras, SV El Salvador, NI Nicaragua, CR Costa Rica, PA Panama (Can also use amazon.com for these countries) IN India (amazon.in) covers: LK Sri Lanka, NP Nepal, BD Bangladesh, BT Bhutan, MV Maldives
Does the shipping country have its own Amazon store? -> Use that TLD Is it covered by a regional hub above? -> Use the regional hub's TLD Not sure? -> Use amazon.com (US) — it ships to 200+ countries
Find the product's ASIN (the B0xxxxxxxx ID) Use the format: https://{tld}/dp/{ASIN} Example for France: https://amazon.fr/dp/B08N5WRWNW Example for Japan: https://amazon.co.jp/dp/B08N5WRWNW
Every order placed through SP3ND earns SP3ND points. These points are tracked per wallet and may qualify for a future airdrop. The more orders your agent places, the more points you accumulate. This applies to all agent orders — there's no separate opt-in required.
Proven working on mainnet. See scripts/x402-pay-with-memo.mjs for the full standalone script. // Install: npm install @solana/web3.js @solana/spl-token @solana/spl-memo import { Connection, Keypair, PublicKey, TransactionMessage, VersionedTransaction, ComputeBudgetProgram } from '@solana/web3.js'; import { getAssociatedTokenAddress, createTransferCheckedInstruction } from '@solana/spl-token'; import { createMemoInstruction } from '@solana/spl-memo'; const BASE_URL = 'https://us-central1-sp3nddotshop-prod.cloudfunctions.net'; const FACILITATOR = 'https://facilitator.payai.network'; const USDC_MINT = new PublicKey('EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v'); // Your agent's credentials (from registerAgent) const API_KEY = process.env.SP3ND_API_KEY; const API_SECRET = process.env.SP3ND_API_SECRET; // Your agent's Solana keypair (must hold USDC) const keypair = Keypair.fromSecretKey( Uint8Array.from(JSON.parse(process.env.SOLANA_PRIVATE_KEY)) ); const connection = new Connection(process.env.SOLANA_RPC_URL || 'https://api.mainnet-beta.solana.com'); const headers = { 'Content-Type': 'application/json', 'X-API-Key': API_KEY, 'X-API-Secret': API_SECRET }; async function buyFromAmazon(productUrl, quantity, customerEmail, shippingAddress) { // 1. Create cart const cartRes = await fetch(`${BASE_URL}/createPartnerCart`, { method: 'POST', headers, body: JSON.stringify({ items: [{ product_url: productUrl, quantity }] }) }); const cart = await cartRes.json(); // 2. Create order const orderRes = await fetch(`${BASE_URL}/createPartnerOrder`, { method: 'POST', headers, body: JSON.stringify({ cart_id: cart.cart.cart_id, customer_email: customerEmail, shipping_address: shippingAddress }) }); const order = (await orderRes.json()).order; // 3. First call to payAgentOrder — returns 402 with PAYMENT-REQUIRED header const firstRes = await fetch(`${BASE_URL}/payAgentOrder`, { method: 'POST', headers, body: JSON.stringify({ order_id: order.order_id, order_number: order.order_number }) }); if (firstRes.status !== 402) return await firstRes.json(); // 4. Decode payment requirements from PAYMENT-REQUIRED header const paymentRequiredHeader = firstRes.headers.get('PAYMENT-REQUIRED'); const paymentRequired = JSON.parse(Buffer.from(paymentRequiredHeader, 'base64').toString('utf8')); const req = paymentRequired.accepts[0]; // 5. Build VersionedTransaction with USDC transfer + memo const payTo = new PublicKey(req.payTo); const feePayer = new PublicKey(req.extra.feePayer); // PayAI pays gas — NOT your agent const amount = BigInt(req.maxAmountRequired); const sourceATA = await getAssociatedTokenAddress(USDC_MINT, keypair.publicKey); const destATA = await getAssociatedTokenAddress(USDC_MINT, payTo); const { blockhash } = await connection.getLatestBlockhash(); const instructions = [ ComputeBudgetProgram.setComputeUnitLimit({ units: 30000 }), ComputeBudgetProgram.setComputeUnitPrice({ microLamports: 1 }), createTransferCheckedInstruction(sourceATA, USDC_MINT, destATA, keypair.publicKey, amount, 6), createMemoInstruction(`SP3ND Order: ${req.extra.order_number}`), // REQUIRED for payment matching ]; const message = new TransactionMessage({ payerKey: feePayer, recentBlockhash: blockhash, instructions }); const tx = new VersionedTransaction(message.compileToV0Message()); tx.sign([keypair]); // 6. Build x402 v1 payment payload const base64Tx = Buffer.from(tx.serialize()).toString('base64'); const v1Payload = { x402Version: 1, scheme: 'exact', network: 'solana', payload: { transaction: base64Tx } }; const v1Req = { scheme: 'exact', network: 'solana', maxAmountRequired: req.maxAmountRequired, amount: req.maxAmountRequired, resource: req.resource, payTo: req.payTo, maxTimeoutSeconds: req.maxTimeoutSeconds, asset: req.asset, extra: req.extra, }; // 7. Verify with facilitator const verifyRes = await fetch(`${FACILITATOR}/verify`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ paymentPayload: v1Payload, paymentRequirements: v1Req }) }); const verified = await verifyRes.json(); if (!verified.isValid) throw new Error(`Verify failed: ${verified.invalidReason}`); // 8. Settle with facilitator (broadcasts tx to Solana) const settleRes = await fetch(`${FACILITATOR}/settle`, { method: 'POST', headers: { 'Content-Type': 'application/json' }, body: JSON.stringify({ paymentPayload: v1Payload, paymentRequirements: v1Req }) }); const settled = await settleRes.json(); if (!settled.success) throw new Error(`Settle failed: ${settled.errorReason}`); // 9. Poll for payment confirmation (Helius webhook marks order paid within ~60s) const ORDER_TIMEOUT_MS = 90_000; const POLL_INTERVAL_MS = 5_000; const deadline = Date.now() + ORDER_TIMEOUT_MS; console.log('Waiting for payment confirmation...'); while (Date.now() < deadline) { await new Promise(r => setTimeout(r, POLL_INTERVAL_MS)); const statusRes = await fetch(`${BASE_URL}/getPartnerOrders`, { headers }); const { orders } = await statusRes.json(); const thisOrder = orders.find(o => o.order_number === order.order_number); if (thisOrder?.status === 'Paid') { console.log('Order paid! ✅', settled.transaction); return thisOrder; } console.log(' Status:', thisOrder?.status, '— checking again...'); } throw new Error('Payment timeout — USDC transferred on-chain, Helius may still be processing'); }
Registration: Instant via POST /registerAgent — no approval queue Platform fee: 0% by default — agents pay no platform fee Payment protocol: x402 (HTTP 402 Payment Required) — fully autonomous Payment currency: USDC on Solana Supported retailers: Amazon (22 country TLDs — see table above) CRITICAL: Always use the Amazon TLD that matches the shipping country (e.g. .de for Germany, .co.uk for UK, .com.br for Brazil) Free Prime shipping: Prime-eligible items ship free via SP3ND's Prime accounts (some surrounding regions may have standard shipping fees) Shipping: 200+ countries No KYC required Points & Airdrop: Every order earns SP3ND points toward a potential future airdrop Cart expiration: 30 minutes Treasury wallet: 2nkTRv3qxk7n2eYYjFAndReVXaV7sTF3Z9pNimvp5jcp USDC mint (Solana mainnet): EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v x402 facilitator: https://facilitator.payai.network Support: support@sp3nd.shop Full API docs: https://sp3nd.shop/partner-api/docs Dashboard: https://sp3nd.shop/partner-api/dashboard
If your agent cannot use x402, you can still use the manual payment flow: Call createPartnerTransaction to register the payment intent Manually send USDC to the treasury wallet with memo SP3ND Order: <order_number> SP3ND detects the payment automatically within 1 minute See the Partner API docs for details: https://sp3nd.shop/partner-api/docs
Trading, swaps, payments, treasury, liquidity, and crypto-financial operations.
Largest current source with strong distribution and engagement signals.