The CoinMarketCap Swift SDK by iCell allows developers to integrate the CoinMarketCap API into their Swift applications. This SDK requires iOS 8.0+ / macOS 10.10+ / tvOS 9.0+, Xcode 9.0+, and Swift 4.0+.
Airbitz has utilized its Bitcoin Wallet Plugin API internally and through select partners for a while. Now, the company has released the API to its entire user base. Airbitz expects the API to boost cryptocurrency usage through integrations with everything from marketplaces to gift card vendors.