Docusign

Electronic signature and intelligent agreement management platform. Lets businesses send, sign, and track documents from any device, with AI-powered search and analysis of agreements, contract lifecycle management, and workflow automation.

Trusted by the majority of Fortune 500 companies and over a million businesses. DocuSign meets stringent global standards including ISO 27001, FedRAMP, and PCI DSS. Differentiates from alternatives like Adobe Sign and HelloSign with a unified Intelligent Agreement Management platform that covers the full lifecycle from drafting to renewal.

Key capabilities:

• REST API and official SDKs for Node.js, Python, Java, C#, and PHP
• Workflow automation without code via Maestro
• AI-powered agreement search and insights with Navigator
• Multi-channel delivery via email, SMS, and WhatsApp
• 1,000+ integrations including Salesforce, Microsoft, and Google
• Identity verification and data validation at signing

Teams rely on it for sales contract execution and renewal tracking, HR onboarding and offer letters, legal document routing, procurement workflows, and customer onboarding. Developers use the REST API and SDKs to embed eSignature in apps, automate envelope creation, and sync agreement status with CRM or internal systems.