This unofficial SDK is a Coinbase Go Client Library to buy, send, and accept bitcoin through the Coinbase API that supports both the API key authentication method and OAuth. The Coinbase API is a simple and powerful REST service to integrate bitcoin, litecoin and ethereum payments into your business or application. The Coinbase service is a global open financial system.
PotCoin first introduced its blockchain-based cryptocurrency to help streamline access to participation in the quickly legalizing marijuana industry. To help developers aid in that process, PotCoin offered limited access to its Payment API. Now, the company has released full access to the API.
Yodlee is extending its platform with an SDK and a new marketplace called the FinApp Store. Recently out of beta, the service enables the creation of apps that exist within the Yodlee interface, to be distributed within its partner services.
UTRUST has a bold vision: to be the PayPal of cryptocurrencies. The Swiss startup has a number of APIs in beta, and plans on launching a publicly available crypto payment platform in early 2019. The platform will enable both online and brick and mortar merchants to accept cryptocurrency payments.