iOSiOS SDK referencesAsk a question|Copy page|View as Markdown|More actionsDocusign provides two iOS SDK references. See the descriptions below for details about the contents of each reference. Complete SDK referenceGet information on all iOS SDK classes and methods. This reference covers online signing, where the signer has an active internet connection, and offline signing, where the user signs using a cached template or envelope.Direct API call referenceThis reference covers classes and methods to use when you want to make direct eSignature REST API calls from the SDK, in order to use API functionality not implemented in iOS SDK methods. It does not support offline signing.