The GoCardless .NET Client Library is an official and simple .NET interface to the GoCardless API. GoCardless recommends using NuGet for installation. GoCardless is a service that lets users accept online payments. With the API, users can create subscriptions and automated bills. In addition, the API can read existing resources and create bills under a pre-existing authorization.
To help developers increase the security of their apps, PayPal has updated its developer portal to include a self-service credential provisioning feature that allows developers to generate their own client-secret pairs, which developers use to authenticate their apps with the PayPal API.