Side by side
emSigner API vs Upsign
Both stand on digital signature api software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
emSigner API provides signature workflows, controls, and deployment choices for organizations integrating signing into their systems. Review envelope limits and per-envelope billing, and contact the maker if you need sandbox access or Professional pricing.
Visit emSigner APIChoose Upsign if you need document signing with status tracking, reminders, and an audit trail, especially when recipients should not need accounts. Personal, Team, and Business all allow unlimited documents, with higher tiers supporting more users and organizational workflows. Look elsewhere if you need a named integration before choosing a service.
Visit UpsignThe facts
| emSigner API | Upsign | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | Android, API, iPhone, Self-hosted, Web | Android, iPhone, Web |
| Lowest paid plan | Professional API envelope plan: $0.99, paid once | Personal: $12 a month |
| Plans published | 3 | 4 |
| Maker | Not published | Not published |
| Website | emsigner.com | upsign.com |
| On digital signature api software | #19 of 28 | #15 of 28 |
emSigner API: what it does well
- REST endpoints for user, workflow, and document management
- Supports three electronic signature types
- Envelopes hold up to 10 documents
- AWS cloud and on-premise deployment options
- 30-day free trial
What to know first
- No free plan is listed
- Envelope file size is capped at 25 MB
- Professional pricing is contact-for-pricing
- Sandbox access requires contacting emSigner
Upsign: what it does well
- Recipients can sign without creating an account.
- Guided steps support recipients who are not technical.
- Audit history records views and signatures.
- Reusable templates and bulk sending support repeat workflows.
- All listed paid tiers include unlimited documents.
What to know first
- Personal is limited to one user.
- Team supports up to five users.
- Enterprise pricing requires a quote.
- Specific integrations are not named.
Alternatives to emSigner API Alternatives to Upsign The whole list