29 skills · sorted by relevance
Integrate PayPal into online checkout flows with one-time payments, subscriptions, refunds, and payment notifications. Includes client-side buttons, server-side payment handling, and sandbox testing to check the purchase flow before using live credentials.
エクスプレスチェックアウト、サブスクリプション、返金管理をサポートするPayPal決済処理を統合します。PayPal決済の実装、オンライン取引の処理、Eコマースチェックアウトフローの構築時に使用します。
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Prepare overdue invoice reminders using accounting records and recent payment data. Adjust each message to the customer's payment history, flag possible payments for checking, and send through PayPal or queue email drafts after approval.
Use sales history and seasonal patterns to decide what to promote over the next 30 days. Get prioritized product recommendations, content angles, and offer ideas based on best sellers, slow movers, and recent trends.
Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.
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Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.
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Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management. Use when implementing PayPal payments, processing online transactions, or building e-commerce checkout flows.
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Integrate external services by finding supported APIs and SDKs, the libraries used to call them. Use context-matic to check authentication, data definitions, and available methods, then guide implementation and record completed integration milestones.
Prepare accountant review materials from closed books: US quarterly estimated tax calculations or year-end contractor payment lists. The output records assumptions, flags missing W-9 forms containing taxpayer details, and highlights payment processor records that need review.
Draft customer replies using order details, payment status, support history, and refund policies, matching the owner's writing style. With connected tools, prepare approved refunds and identify Shopify orders that need attention before customers contact support.
Reconcile accounting records with payment service payouts, identify discrepancies, possible duplicates, and missing receipts, then prepare a plain-English profit and loss summary with an Excel workbook and a one-page PDF for month-end review.
Payment processing integration with Stripe and PayPal for Flutter
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Payment processing integration with Stripe and PayPal for Flutter
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Create a one-page Monday briefing that combines cash, sales, sales opportunities, saved performance reports, and upcoming commitments. Identify one priority for the week using connected services or data supplied through pasted text and uploaded files.
Prepare for payroll by forecasting cash, drafting overdue invoice reminders to address shortfalls, and checking timesheets for anomalies. Produce a validated payroll worksheet or stage approved inputs in Gusto, leaving final payroll submission to the owner.
Prepare accountant review materials from reconciled books, including US quarterly estimated payments and 1099-NEC contractor reporting candidates. The skill checks book closure first and documents assumptions, missing information, and deadlines without filing anything.
Bring cash, sales, deals, upcoming commitments, and urgent messages into a one-page business brief for small business owners. Use connected tools or owner-supplied figures to show changes, specific risks, and today's most important action.
Builds a 30/60/90-day cash flow forecast from accounting records, payment services, or CSV data. Uses historical payment timing to estimate uncertainty, flags specific cash risks, and delivers a chat summary, forecast page, and downloadable Excel workbook.
Coordinate month-end reconciliation, owner sign-off, and a 30/60/90-day cash forecast based on closed books. Combine the results into a reporting packet with financial explanations and open items, with approval required before external delivery.
Hunting skill for business logic vulnerabilities. Built from 12 public bug bounty reports. Covers coupon-race-stacking (Instacart, Stripe, Reverb), negative-quantity-in-cart price tampering (Upserve, Eternal/Zomato), decimal/fraction price-field overflow (Shipt), client-side checkout amount trust on PayPal redirect (WordPress.org), price-per-unit mass-assignment (Krisp), and archived-price swap / cart-TOCTOU (Stripe). Use when hunting business logic — heavy emphasis on financial-impact-demonstrated cases.
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Integrate Stripe, PayPal, and payment processors. Handles checkout flows, subscriptions, webhooks, and PCI compliance. Use PROACTIVELY when implementing payments, billing, or subscription features.
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Integrates payment processing with Stripe, PayPal, or Square including subscriptions, webhooks, and PCI compliance. Use when implementing checkout flows, recurring billing, or handling refunds and disputes.
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Test payment and checkout flows end to end against PSP sandboxes — Stripe first, with the general pattern for Adyen/Braintree/PayPal. Covers Stripe test-mode card numbers and their decline codes, the 3DS/SCA challenge flow and its nested-iframe handling in Playwright, test clocks for subscription/billing-cycle simulation, webhook testing (stripe listen/trigger, signature verification, idempotency), failed/retried payments and refunds, and never using real cards. Use when: "test Stripe checkout," "payment test," "3DS test," "test webhook signature," "test subscription renewal," "test clock," "refund test," "decline card test," "checkout E2E." Not for: General API contract testing of non-payment endpoints — api-testing. PCI-DSS/regulatory compliance audit — compliance-testing. Related: api-testing, playwright-automation, compliance-testing, test-data-management, qa-project-context.
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This skill applies the first-principles engineering and capital allocation frameworks of Elon Musk (CEO of Tesla and SpaceX, founder of X.com / PayPal). Reach for this skill whenever the user is facing complex manufacturing bottlenecks, evaluating existential risks, debating free speech vs. censorship, dealing with bureaucratic overregulation, or trying to accelerate ambitious technical timelines. It is highly effective for situations involving hardware production, AI symbiosis, radical innovation, and aggressive execution. Use this skill proactively when discussing multi-planetary expansion, government efficiency, or scaling prototypes to mass production, even if the user doesn't explicitly name him.
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