Esig API
6.6#11 in electronic signature apisFrom ₹20,000 a yearFree planWebAPI
VisitEsig API vs OpenSign
What both publish
| Fact | Esig API | OpenSign |
|---|---|---|
| API | Business Pro and Enterprise include API access and webhooks for agreement lifecycle events. | OpenSign exposes a REST API authenticated with an x-api-token header and provides sandbox, production and EU endpoints. |
| Integrations | The homepage names Slack, Google, Outlook, HubSpot, Stripe, Notion, Dropbox, Salesforce, Zapier, Teams, and QuickBooks as tools in its ecosystem. | The Professional plan lists Zapier integration, Dropbox import and custom Gmail or SMTP sending. |
| Intended users | The maker describes Personal for solo operators, Standard for small teams, Business Pro for operations-heavy teams, and Enterprise for companies needing admin control. | The documentation describes the product as designed for individuals and businesses, from startups to large corporations. |
| Product | Esig is an e-signature service for preparing, sending, signing, and tracking agreements. | OpenSign describes itself as an open-source PDF e-signature solution for signing, storing, and securing documents. |
Esig API plans
- PersonalFree
- Standard₹20,000 a year
- Business Pro₹34,000 a year
- EnterprisePriced on request
OpenSign plans
- FreeFree
- Professional$9.99 a month
- Teams$19.99 a month
- EnterprisePriced on request
Pick Esig API if…
You want what its maker publishes above — check its page for the details.
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.