# Okapay > Official Okapay documentation for developers and merchants. Learn to accept global payments with cards, digital wallets, cryptocurrency, and local rails across 160+ countries using the REST API, PHP SDK, hosted checkout, subscriptions, invoicing, and payouts. - [What Is Okapay? A Global Merchant Payment Platform](https://docs.okapay.net/introduction.md): Okapay is a full-stack merchant payments platform. Accept cards, wallets, crypto, and local rails across 160+ countries with one integration. - [Okapay Quickstart: Make Your First Payment Request](https://docs.okapay.net/quickstart.md): Create your Okapay merchant account, retrieve your API key, and make your first product creation and checkout session request in minutes. - [Okapay API Authentication: Bearer Tokens and SDK Auth](https://docs.okapay.net/authentication.md): Okapay authenticates every API request with Bearer token API keys. Learn how to pass keys securely, use the PHP SDK auto-auth, and handle auth errors. - [Accept Online Payments with the Okapay Checkout API](https://docs.okapay.net/accept-payments.md): Create checkout sessions, redirect customers to hosted checkout, and handle payment success or failure using the Okapay API or PHP SDK. - [Create No-Code Payment Links with Okapay Dashboard](https://docs.okapay.net/payment-links.md): Generate shareable payment links from the Okapay dashboard. Send them via email, embed them in your site, or share on social — no coding required. - [Automate Recurring Billing with Okapay Subscriptions](https://docs.okapay.net/subscriptions.md): Automate recurring revenue with Okapay subscriptions. Create billing plans, manage subscriber lifecycles, and reduce churn with smart dunning. - [Send Branded Invoices and Get Paid Faster with Okapay](https://docs.okapay.net/invoicing.md): Create and send branded invoices from Okapay. Automate payment reminders, reconcile automatically, and sync with Xero and QuickBooks. - [Receive Payouts and Manage Settlements with Okapay](https://docs.okapay.net/payouts.md): Understand how Okapay settles your collected payments. Configure bank accounts, payout schedules, and track every transfer in the dashboard. - [Okapay Merchant ID: Find and Use It](https://docs.okapay.net/merchant-id.md): Your Okapay Merchant ID identifies your account in API paths. Learn where to find it and how to use it in checkout session requests. - [Okapay API Keys: Create, Rotate, and Secure](https://docs.okapay.net/merchant-api-keys.md): Manage your Okapay secret and publishable API keys. Learn how to create keys, use them in requests, rotate them, and keep them secure. - [Customer Profiles and Payment History in Okapay](https://docs.okapay.net/customers.md): View and manage customer profiles, payment history, and personal data in the Okapay dashboard. Understand what data is stored and how to manage it. - [View, Filter, and Export Okapay Transactions](https://docs.okapay.net/transactions.md): Browse all transactions in your Okapay account. Filter by status, date, or amount, view full details, and export records for reconciliation. - [Manage Payment Disputes and Chargebacks in Okapay](https://docs.okapay.net/disputes.md): Understand the Okapay dispute lifecycle, respond to chargebacks within deadlines, submit evidence, and follow prevention tips to reduce dispute rates. - [Okapay PHP SDK: Manage Products and Checkout Sessions](https://docs.okapay.net/integrations/php.md): Install the official Okapay PHP SDK with Composer to manage products, create checkout sessions, and verify payments. Requires PHP 8.1+. - [Configure the Okapay PHP SDK in a Laravel Application](https://docs.okapay.net/integrations/laravel.md): Configure the Okapay PHP SDK in Laravel. Set credentials via .env, register in config/services.php, and use the client in controllers and jobs. - [WordPress Payments with Okapay Plugin (Coming Soon)](https://docs.okapay.net/integrations/wordpress.md): The dedicated Okapay WordPress plugin is currently in development. Accept payments on your WordPress site today using the Okapay PHP SDK. - [Okapay Security: PCI DSS Level 1 Payment Infrastructure](https://docs.okapay.net/security.md): Learn how Okapay protects your transactions with PCI DSS Level 1 compliance, end-to-end encryption, 3D Secure, and machine learning fraud detection. - [Okapay Pricing Plans: Startup, Professional, Enterprise](https://docs.okapay.net/pricing.md): Compare Okapay pricing tiers. Startup at 5.5% up to $5K/month, Professional at 4% up to $100K/month, Enterprise with custom rates above $1M/month. This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.