Pick an SDK that matches your platform and checkout product. All client SDKs use your publishable key; backend calls use your API key.

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Mobile checkout

For Bolt Managed Checkout and SSO in native apps:
SDKPackageDocs
iOS / SwiftBoltInternal via SPMiOS / Swift SDK
Android / Kotlincom.bolt:checkoutAndroid / Kotlin SDK
React Native@boltpay/react-nativeReact Native SDK
React Native targets Embeddable Checkout on the backend.

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Gaming

SDKDocs
UnityUnity overview
JavaScriptJavaScript overview
See the Gaming quickstart for payment links and webhooks.

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Marketplaces

Install the Connect SDK for seller onboarding flows: 
npm install @boltpay/bolt-connect-sdk
Full guide: Connect onboarding.

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Server SDKs

Use a Bolt server SDK for Merchant Callback and Embeddable Checkout backends, or call the REST API directly:
LanguageRepository
TypeScriptBolt-Typescript-SDK
C#Bolt-CSharp-SDK
Gobolt-go