Electronic Signature Software & API - BoldSign

# BoldSign: Secure and Modern E-Signature Software > BoldSign is an eSignature platform that allows people to securely sign, send, and manage contracts online from any device, while ensuring legal validity and affordability. It supports both individuals and businesses of all scales through a powerful API, an easy-to-use web application, and fully featured mobile apps. BoldSign helps organizations accelerate document workflows, reduce operational delays, and maintain compliance with global standards. Teams can create and send documents for signature, request identity verification, track progress in real time, and access detailed audit trails for every agreement. Developers can integrate BoldSign directly into applications using SDKs, REST APIs, and sandbox environments, ensuring smooth adoption for both small projects and enterprise-scale deployments. Organizations can choose regional data residency in the US, EU, or Canada, backed by enterprise-grade compliance. BoldSign is SOC 2 Type 2 certified, supports HIPAA requirements, aligns with GDPR, and provides Qualified Electronic Signatures (QES) for EU-regulated industries. Key terms: eSignature API, digital signature, electronic signature, document signing, contract signing, Qualified Electronic Signatures, PDF tools, E-Signature SDKs, bulk send contracts, HIPAA e-signature platform, best DocuSign alternative, sign documents via WhatsApp, sign documents via SMS --- ## Product & Pricing - [E-Signature Software](https://boldsign.com/): Use BoldSign to prepare, send, and sign documents online with legally binding signatures and audit trails. - [Best E-Signature Software](https://boldsign.com/best-esignature-software/): Explore resources to evaluate and choose the right e-signature solution with BoldSign. - [Best Digital Signing Software](https://boldsign.com/best-digital-signing-software/): Send documents for signature just by uploading files, assigning signers, and placing fields in BoldSign