paypal/paypal-server-sdk
Official PayPal Server SDK for PHP. Integrates with a limited set of PayPal REST APIs (Orders, Payments, Vault, Transaction Search, Subscriptions). Supports sandbox/live environments, configurable timeouts, and optional retries/backoff.
paypal/rest-api-sdk-php for older systems, though it's deprecated)For executives: This official PayPal SDK reduces payment integration risk and accelerates time-to-market by providing a maintained, standardized solution for core PayPal services. It eliminates custom development for authentication, retries, and logging while ensuring compliance with PayPal's standards – freeing engineering resources to focus on customer-facing features rather than payment plumbing. With PayPal's direct support, we maintain confidence in reliability and future compatibility.
For engineering: This SDK provides a type-safe, object-oriented interface to PayPal's REST APIs with zero boilerplate code for common infrastructure concerns. It handles OAuth 2.0 authentication, automatic retries for transient errors, and configurable logging/proxy settings out-of-the-box. The Composer-based installation and clear documentation allow quick setup for Orders, Payments, and Subscriptions flows. While currently limited to 5 endpoints (with more planned), it's the recommended path for new PayPal integrations in PHP – we can start with covered functionality and easily extend as PayPal adds more endpoints.
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