Related Products
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About
Firma.dev is the developer-first e-signature API built for startups and mid-sized SaaS companies. With a clean REST API and embeddable template and signing editors, developers can ship e-signature workflows in hours, not weeks.
Firma.dev's pricing model is straightforward: pay-as-you-go at just €0.049 (about 5 cents USD) per envelope. No monthly minimums, no contracts, no suprise fees. That's a fraction of the cost of legacy providers like DocuSign, which makes Firma.dev a strong fit for cost-sensitive teams scaling e-signature across products or customers.
Every customer gets a dedicated workspace, a secure, partitioned space for templates, documents, and envelope usage. This makes it easy to manage usage by client or environment, with no cross-tenant exposure and no complex access rules.
Firma.dev is designed with compliance in mind and aligns with key frameworks including the ESIGN Act, UETA, HIPAA, GDPR, and eIDAS. Security practices align with SOC 2 and ISO 27001 standard
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About
Experience the freedom of limitless digital signing without ever reaching for your wallet. Bring multiple people into the signing process at no extra cost. Close deals, not your wallet. Every signed document comes with a detailed completion certificate, featuring access logs, all at zero cost. Your documents deserve a safe home. Store and organize them for free in our secure OpenSign drive vault. OpenSign is an open source digital signature platform that enables secure signing of documents with ease and efficiency. It's designed to provide a free alternative to commercial e-signature services like DocuSign, offering transparency and customization opportunities to meet your unique business needs. OpenSign allows users to upload documents, request signatures, and sign documents electronically. It uses state-of-the-art cryptographic algorithms to ensure that all documents are signed securely and are legally binding in most countries.
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Supported
On-Premises
Supported
iPhone
Supported
iPad
Supported
Android
Not Supported
Chromebook
Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers and engineering teams at startups and mid-sized SaaS companies who need to embed e-signature functionality into their products. Also suits technical founders and CTOs evaluating build-vs-buy for document signing workflows.
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Audience
Anyone seeking a solution to sign, store, and secure their documents
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Not Supported
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Support
Phone Support
Not Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
€0.049 per envelope.
Pay-as-you-go at just €0.049 per envelope.
Free Version
Not Supported
Free Trial
Supported
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Pricing
$9.99 per month
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Company InformationFirma.dev
Founded: 2025
United States
firma.dev/
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Company InformationOpenSign
United States
www.opensignlabs.com
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Alternatives |
Alternatives |
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Categories |
Categories |
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Digital Signature Features
Audit Trail
Supported
Authentication
Supported
Auto Reminders
Supported
Customizable Templates
Supported
Document Analytics
Supported
Mobile Signature
Not Supported
Multi-Party Signing
Supported
Progress Tracking
Not Supported
Task Progress Tracking
Not Supported
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Integrations
Dropbox
Not Supported
Zapier
Not Supported
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