Getting Started with PayPal Server SDK

Introduction

⚠️ Beta Release Notice

This version is considered a beta release. While we have done our best to ensure stability and functionality, there may still be bugs, incomplete features, or breaking changes in future updates.

Important Notes

• Available Features: This SDK currently contains only 3 of PayPal's API endpoints. Additional endpoints and functionality will be added in the future.
• API Changes: Expect potential changes in APIs and features as we finalize the product.

Information

The PayPal Server SDK provides integration access to the PayPal REST APIs. The API endpoints are divided into distinct controllers:

• Orders Controller: Orders API v2
• Payments Controller: Payments API v2
• Vault Controller: Payment Method Tokens API v3 Available in the US only.

Find out more here: https://developer.paypal.com/docs/api/orders/v2/

Install the Package

Run the following command from your project directory to install the package from npm:

npm install @paypal/[email protected]

For additional package details, see the Npm page for the @paypal/[email protected] npm.

Initialize the API Client

Note: Documentation for the client can be found here.

The following parameters are configurable for the API Client:

| Parameter | Type | Description | | --- | --- | --- | | environment | Environment | The API environment. Default: Environment.Sandbox | | timeout | number | Timeout for API calls.Default: 0 | | httpClientOptions | Partial<HttpClientOptions> | Stable configurable http client options. | | unstableHttpClientOptions | any | Unstable configurable http client options. | | logging | PartialLoggingOptions | Logging Configuration to enable logging | | clientCredentialsAuthCredentials | ClientCredentialsAuthCredentials | The credential object for clientCredentialsAuth |

HttpClientOptions

| Parameter | Type | Description | | --- | --- | --- | | timeout | number | Timeout in milliseconds. | | httpAgent | any | Custom http agent to be used when performing http requests. | | httpsAgent | any | Custom https agent to be used when performing http requests. | | retryConfig | Partial<RetryConfiguration> | Configurations to retry requests. |

RetryConfiguration

| Parameter | Type | Description | | --- | --- | --- | | maxNumberOfRetries | number | Maximum number of retries. Default: 0 | | retryOnTimeout | boolean | Whether to retry on request timeout. Default: true | | retryInterval | number | Interval before next retry. Used in calculation of wait time for next request in case of failure. Default: 1 | | maximumRetryWaitTime | number | Overall wait time for the requests getting retried. Default: 0 | | backoffFactor | number | Used in calculation of wait time for next request in case of failure. Default: 2 | | httpStatusCodesToRetry | number[] | Http status codes to retry against. Default: [408, 413, 429, 500, 502, 503, 504, 521, 522, 524] | | httpMethodsToRetry | HttpMethod[] | Http methods to retry against. Default: ['GET', 'PUT'] |

The API client can be initialized as follows:

const client = new Client({
  clientCredentialsAuthCredentials: {
    oAuthClientId: 'OAuthClientId',
    oAuthClientSecret: 'OAuthClientSecret'
  },
  timeout: 0,
  environment: Environment.Sandbox,
  logging: {
    logLevel: LogLevel.Info,
    logRequest: {
      logBody: true
    },
    logResponse: {
      logHeaders: true
    }
  },
});

Environments

The SDK can be configured to use a different environment for making API calls. Available environments are:

Fields

| Name | Description | | --- | --- | | Production | PayPal Live Environment | | Sandbox | Default PayPal Sandbox Environment |

Authorization

This API uses the following authentication schemes.

• Oauth2 (OAuth 2 Client Credentials Grant)

List of APIs

• Orders
• Payments
• Vault

Classes Documentation

• ApiResponse
• ApiError
• PartialLoggingOptions
• PartialRequestLoggingOptions
• PartialResponseLoggingOptions
• LoggerInterface