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Found 162 Skills
AI Agent native API provider — no API keys, no signups, no subscriptions. Just pay with USDC per request via x402 to instantly access Twitter, Instagram, and more.
Implement Stripe Billing for subscriptions, recurring payments, invoicing, and usage-based pricing. Use when: (1) Creating subscription plans (flat, tiered, per-seat, usage-based), (2) Managing subscription lifecycle (trials, upgrades, downgrades, cancellations), (3) Generating and customizing invoices, (4) Implementing metered/usage-based billing, (5) Setting up customer portal for self-service, (6) Configuring dunning and revenue recovery, (7) Applying coupons and promotion codes. Triggers on: subscription, recurring billing, invoice, usage-based, metered billing, SaaS pricing, subscription plan, trial, dunning, proration, customer portal, coupon, promotion code, billing cycle.
Payment gateway integration. Providers: SePay (Vietnamese: VietQR, bank transfer, cards), Polar (global SaaS: subscriptions, usage-based billing). SDKs: Node.js, PHP, Python, Go, Laravel, Next.js. Capabilities: checkout flows, subscription management, webhooks, QR code generation, benefit automation, tax compliance. Actions: integrate, implement, configure, handle payments/subscriptions/webhooks. Keywords: payment gateway, SePay, Polar, VietQR, bank transfer, subscription, usage-based billing, checkout, webhook, QR code, API key, OAuth2, product management, customer portal, tax compliance, MoR, recurring payment, invoice. Use when: integrating payment processing, implementing checkout, managing subscriptions, handling payment webhooks, generating payment QR codes, building billing systems.
Guide for handling Shopify Webhooks, including configuration, verification, and processing. Use this skill when the user needs to set up webhook subscriptions, verify authentic requests, or handle event payloads.
Guide for implementing Shopify's Billing API in Remix apps using @shopify/shopify-app-remix. Covers subscriptions, one-time purchases, usage-based billing, discounts, and the project's billing implementation patterns.
Spring for GraphQL - building GraphQL APIs with Spring Boot. Covers queries, mutations, subscriptions, @BatchMapping, DataLoader, and security. USE WHEN: user mentions "spring graphql", "@QueryMapping", "@MutationMapping", "@SubscriptionMapping", "@BatchMapping", "GraphQL Spring Boot", "N+1 GraphQL" DO NOT USE FOR: REST APIs - use standard Spring MVC, standalone GraphQL - use `graphql-java` skill
Sitecore Marketplace SDK API reference. Use when the user asks about SDK methods, types, queries, mutations, subscriptions, or how to use any Sitecore Marketplace SDK API.
Convex reactive backend expert: schema design, TypeScript functions, real-time subscriptions, auth, file storage, scheduling, and deployment.
Provides expertise for building full-stack applications with Convex backend and Next.js frontend, including schema design, type-safe functions, authentication, server rendering, and real-time subscriptions. Use when building or debugging Convex + Next.js applications, implementing real-time features, or needing guidance on Convex Auth, preloadQuery patterns, or function design.
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.
Implement payment integrations with SePay (Vietnamese payment gateway with VietQR, bank transfers, cards) and Polar (global SaaS monetization platform with subscriptions, usage-based billing, automated benefits). Use when integrating payment processing, implementing checkout flows, managing subscriptions, handling webhooks, processing bank transfers, generating QR codes, automating benefit delivery, or building billing systems. Supports authentication (API keys, OAuth2), product management, customer portals, tax compliance (Polar as MoR), and comprehensive SDK integrations (Node.js, PHP, Python, Go, Laravel, Next.js).
Load PROACTIVELY when task involves payments, billing, or subscriptions. Use when user says "add payments", "integrate Stripe", "set up subscriptions", "add a checkout flow", or "handle billing webhooks". Covers Stripe, LemonSqueezy, and Paddle integration, checkout sessions, subscription lifecycle management, webhook verification and handling, customer portal, metered billing, refunds, and PCI compliance considerations.