emSigner API
6.8#13 in digital signature api software$0.99 one-timeAndroidiOSWebAPI
VisitemSigner API vs OpenSign
What both publish
| Fact | emSigner API | OpenSign |
|---|---|---|
| Integrations | The maker names Salesforce and SAP connectors and describes using outbound REST calls from CRM or ERP systems. | The Professional plan lists Zapier integration, Dropbox import and custom Gmail or SMTP sending. |
| Intended users | The maker describes emSigner as a secure eSignature workflow solution for companies of different sizes and for workflows involving employees, vendors, and customers. | The documentation describes the product as designed for individuals and businesses, from startups to large corporations. |
emSigner API plans
- Professional API envelope plan$0.99, paid once
- Essential$1, paid once
- ProfessionalPriced on request
OpenSign plans
- FreeFree
- Professional$9.99 a month
- Teams$19.99 a month
- EnterprisePriced on request
Pick emSigner API if…
emSigner API suits organizations that want to route document-signing workflows through their systems. The maker describes use across companies of different sizes and workflows involving employees, vendors, and customers.
Pick OpenSign if…
OpenSign may suit individuals and businesses that need PDF signing, reusable templates, or API-based signing workflows. It also offers self-hosting instructions for those who want to run it on Linux, macOS, or Windows.