emSigner API
emSigner API: Low-cost API signing with embedded workflows, webhooks, and qualified signatures. Ranked #8 of 28 in Digital Signature API Software by our editors (6.9/10); pricing: From $0.99 · 30-day trial; best for high-volume API signing at low envelope cost.
At a glance
- Editor score6.9 / 10
- PricingFrom $0.99 · 30-day trial
- Best forHigh-volume API signing at low envelope cost
- Free planNo
- Founded2008 · Bengaluru, Karnataka, India
- Facts checked20 Sep 2026
Where it wins
- $0.99 per-envelope pricing with annual billing
- Embedded signing, webhooks, sandbox testing, and signed-document retrieval
- Supports simple, advanced, and qualified electronic signatures
Where it doesn't
- The published plan is billed annually per envelope
- Integration and feature breadth is narrower than some alternatives
- The 30-day trial is advertised for the broader emSigner product
Our verdict on emSigner API
emSigner API is a REST-based electronic-signature and document-workflow service from eMudhra Limited. It is designed for organizations that want to place signing inside applications or connect document workflows to CRM, ERP, and other business systems. The service supports document-package submission, originator and recipient authentication, workflow definition, status monitoring, signing-event notifications, and signed-document retrieval. Cloud and on-premises deployments are supported, with web, iOS, Android, API, and self-hosted platforms available.
Pricing is centered on the Professional Envelope Plan at USD 0.99 per envelope with annual billing. The plan includes REST API access, embedded signing, webhooks, demographic data verification, and liveness capture. API subscriptions require a paid envelope plan, while a 30-day trial is advertised for the broader emSigner product. This structure suits organizations that can estimate envelope volume and prefer usage-based pricing for embedded signing rather than a broad seat-based package.
The API feature set covers JWT-authenticated requests, workflow-status retrieval, webhook notifications, sandbox testing, encrypted document storage, and TLS transport. It supports simple, advanced, and qualified electronic signatures, giving teams options for different signing requirements. Integrations include Salesforce, SAP, Google Drive, and Dropbox. Buyers should choose emSigner API when API embedding, low per-envelope pricing, identity verification, and deployment flexibility are priorities. Organizations seeking a wider integration catalog or broader feature coverage may prefer an alternative with a larger ecosystem.
emSigner API pricing
All 1 emSigner API plans and prices →
emSigner API fact sheet
| Free plan | No |
|---|---|
| Paid from | Not verified |
| SDK languages | Not verified |
| Embedded signing | Yes |
| Identity verification | Yes |
| Workflow status API | Yes |
| Webhook event types | 4 |
| Signed-file retrieval | Yes |
| Sandbox environment | Yes |
| Free trial | 30 days |
| Deployment | Cloud, Self-hosted |
| Platforms | Web, iOS, Android |
| Compliance & security | SOC 2, ISO 27001, GDPR, HIPAA |
| Support | Email, Docs · 24/7 |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 4 integrations: Salesforce, SAP, Google Drive, Dropbox |
| Pricing | From $0.99 · 30-day trial (source) |
| Website | emsigner.com |
| Facts checked | 20 Sep 2026 |
emSigner API integrations
emSigner API lists 4 integrations on its own site.
- Salesforce
- SAP
- Google Drive
- Dropbox
Alternatives to emSigner API
- DocuSign eSignatureA broad eSignature platform with API automation, workflows, integrations, and mobile signing.9.2
- BoldSignA low-cost signing platform with broad workflow, integration, and API coverage.8.4
- Zoho SignA Zoho-focused signing platform with REST APIs, webhooks, SDKs, and a free tier.7.7
See all emSigner API alternatives →
emSigner API vs the competition
- emSigner API vs DocuSign eSignature
- emSigner API vs BoldSign
- emSigner API vs Zoho Sign
- emSigner API vs signNow
- emSigner API vs Foxit eSign
- emSigner API vs Xodo Sign (formerly eversign)
Compare emSigner API with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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