HomeElectronic SigningSign API v2Features and functionalityFeatures and functionality You can learn about Sign API v2 features and functionality in our feature guides. ArchiveLearn how to securely store signed documents in compliance with legal and regulatory requirements Document collectionsLearn how to manage multiple documents and signing sessions with document collections Merchant signingLearn how to implement business-to-business (B2B) signing with merchant certificates Simple text signingLearn how to implement simple text signing with Sign API v2