Dropbox Sign API vs Upsign

Dropbox Sign API lets developers add electronic signature workflows to their own websites and applications. Embedded request, signing, and template-management steps can appear in iFrames, with custom branding for senders and signers. Reusable templates can hold preloaded data for recurring signature processes. The service connects with Dropbox, Microsoft Word, Salesforce, Google Drive, HubSpot, Slack, and other CRM, storage, and productivity tools. Its listed security provisions include OAuth 2.0, 2FA, AES 256-bit encryption at rest, and non-editable audit trails that time-stamp document actions. Dropbox Sign lists SOC 2 Type II, ISO 27001, eIDAS, and GDPR compliance. Its signatures are legally binding in the United States, European Union, United Kingdom, and many other countries. SDKs are available for Python, Ruby, PHP, Java, NodeJS, and C#, and development help is available through documentation, the Help Center, and email support engineers. Senders and signers can use the service end-to-end in 22 languages. Free plans are listed; paid pricing starts at $75/mo. More than 500 requests per month requires contacting sales.

Upsign is electronic signature software for sending, signing, and tracking documents. Senders can set signer and approver order, monitor signing status, send reminders, send documents in bulk, and create reusable templates. Recipients can view, approve, sign, and complete documents from a phone or computer without creating an account; guided steps are intended to help people who are not technical. An audit trail records document history, including views and signatures. A searchable library offers free legal contracts and forms to download or send for signature. Upsign is available on Android, iOS, and the web. Personal allows one user, Team allows up to five, and Business lists unlimited users; all three include unlimited documents. Business also lists user groups, approval workflows, signing groups, bulk signing, and dedicated integration support. Business and Enterprise are described as options for organizations needing integrations, but no specific integrations are named. The plans list a free plan and a 30-day trial. Personal costs $12 a month, Team $24 a month, and Business $45 a month, all billed monthly.