This Ontology Java SDK supports local wallet management, digital identity management, digital asset management, deployment and invoke for Smart Contract, and communication with Ontology Blockchain. Java 8+ is required.
Microsoft has released a development kit for blockchain. The initial release extends the features of its Azure Blockchain Workbench and blockchain developer templates. It focuses on connecting interfaces, integrating data and systems, and deploying smart contracts and blockchain networks.
Veem (formerly Align Commerce) has launched its Multi-Rail API which allows applications to send international payments via modern block-chain technologies, treasury, and third-party payment processors. The Veem platform uses multi-rail payment technology including blockchain electronic rail.