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Firma.dev

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Embed legally binding e-signatures into your app

From €100/mo, billed monthly, free trial
Paid E-Signature API Tools Developer Tools
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Tracked since 2026

The Bottom Line

Price
From €100/mo, billed monthly, free trial. Compare plans

Key facts

  • Embed e-signatures directly into applications via a simple REST API.
  • Offers ultra-low, pay-per-envelope pricing with no minimums or contracts.
  • Provides white-labeling, team management, and compliance for SaaS platforms.

Pros

  • Extremely low cost per envelope compared to alternatives, with no minimums or contracts.
  • Designed for developers with easy integration, comprehensive API documentation, and pre-built UI components.
  • Supports full white-labeling and team isolation, ideal for SaaS and reseller models.
  • Compliant with major e-signature regulations (ESIGN, UETA, eIDAS, GDPR).
  • Offers unlimited free testing with real documents before incurring costs.

Cons

  • Priority support is an additional paid add-on.
  • May require development resources to integrate the API into existing applications.

What is Firma.dev?

Firma.dev offers an electronic signature API designed specifically for developers and SaaS companies. It allows users to embed document signing capabilities directly into their applications, eliminating the need for redirects or external accounts. The service emphasizes ease of integration with a simple REST API, comprehensive documentation, and pre-built UI components. This API is built for scalability and white-labeling, enabling SaaS platforms to manage unlimited teams, apply custom branding, and even resell e-signature services. It adheres to major compliance standards like ESIGN, UETA, eIDAS, and GDPR, ensuring secure and legally enforceable digital signatures. The pricing model is pay-as-you-go per envelope, with no minimums or subscription fees, making it a cost-effective solution for integrating e-signature functionality.
Data compiled by Toolradar Pricing checked · How we evaluate
Source firma.dev

Key Features

  • REST API for e-signatures
  • White-labeling and custom branding
  • Unlimited team management with data isolation
  • Real-time event streaming and webhooks
  • Document template creation and management
  • Document sending and status tracking
  • Audit trails and certificates of completion
  • Customer workspaces for isolated data and analytics

Pricing Plans

Free Trial

Pricing checked Oct 23, 2026. Source: firma.dev/pricing, read Oct 23, 2026

Firma.dev plans and prices, checked October 2026
Plan Price Details
Pay-as-you-go

€0.029 / envelope

  • Unlimited teams included
  • Full API access from day one
  • Test with real documents, free
+8 more
  • Flat fee for everyone, forever
  • No minimums
  • No contracts
  • No per-seat fees
  • Embedded editors
  • Webhooks
  • Compliance built in (ESIGN, UETA, eIDAS, GDPR)
  • Unlimited testing with real documents
Priority Support

€100 / Month

  • Guaranteed 1 business day response times via email
Calculate your cost View full pricing

Is Firma.dev worth the price?

Great value

Firma.dev's pay-as-you-go model at €0.029 per envelope is exceptionally fair and transparent, offering ultra-low pricing compared to many e-signature providers.

The lack of minimums, contracts, and per-seat fees makes it highly accessible. This pricing is best for developers and businesses with fluctuating or low-to-medium e-signature volumes who prioritize cost-efficiency and API-first integration.

Hidden Costs & Gotchas

Priority support is an extra €100/month

Full Firma.dev pricing: every plan, hidden costs and alternatives

How Firma.dev's pricing compares

Firma.dev starts at €100/mo, billed monthly. Its direct competitors are priced on a different basis (per user, or in another currency), so each entry price below is shown with its own unit and currency and is not ranked against the others.

Firma.dev
€100/mo, billed monthly
SignNow
$8/user/mo, billed monthly
PandaDoc
$19/user/mo, billed monthly
HelloSign
$15/user/mo, billed monthly

Entry paid plan, monthly price (billing term shown per row), in each tool's own currency. Pricing checked Oct 23, 2026.

Email me when Firma.dev changes its price

One email per change, found on the vendor's own pricing page. Unsubscribe any time.

Firma.dev by the numbers

Toolradar data: Firma.dev's entry paid plan (€100/mo, billed monthly) ranks #10 of 13 for price among the Developer Tools tools with a verified entry price and no stated unit, where the median is €54.08/mo. As of Nov 2026.

Firma.dev compared with 1851 Developer Tools tools on Toolradar, as of Nov 2026
Metric Firma.dev Peer median Position (1 is best)
Entry paid plan €100/mo, billed monthly €54.08/mo #10 of 13 tools with no stated price unit, verified price
Free plan No 80% have one n/a
Listed as an alternative to 1 tool 1 #893 of 1851 (joint)

Each position is counted among the tools that have data for that row, as noted under it. A lower entry price ranks higher; prices are read on vendor pages and compared only with tools priced on the same basis. All Developer Tools data · How we compute this. Advertising and placement fees are not inputs to any position.

Cite this: Toolradar, “Firma.dev by the numbers”, Nov 2026.

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Best Firma.dev Alternatives

Top alternatives based on features, pricing, and user needs.

SignNow logo
SignNow Paid

Affordable e-signature solution for businesses of all sizes

4.5
PandaDoc logo
PandaDoc Freemium

Automate proposals, quotes, and contracts with e-signatures and analytics

4.1
HelloSign logo
HelloSign Free

Get documents signed online with a simple, legally-binding e-signature solution

3.7
See all e-signature tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Firma.dev vs SignNow Head-to-head: features, pricing, who wins Firma.dev vs PandaDoc Head-to-head: features, pricing, who wins Firma.dev vs HelloSign Head-to-head: features, pricing, who wins

Explore More

Firma.dev FAQ

How does Firma.dev facilitate embedding e-signatures into an application?

Firma.dev provides an electronic signature API that developers can integrate directly into their applications. It offers a simple REST API and pre-built UI components to streamline the process, allowing for document signing within the app interface.

Which teams would benefit most from using Firma.dev?

Firma.dev is best suited for development teams and SaaS companies looking to embed legally binding e-signature capabilities directly into their software. Its white-labeling and team isolation features are particularly beneficial for platforms managing multiple clients or reselling services.

How is Firma.dev priced?

Firma.dev uses a pay-as-you-go pricing model based on the number of envelopes used. There are no minimums, subscription fees, or contracts required, making it a flexible option for integrating e-signature functionality.

Can Firma.dev be customized to match a company's branding?

Yes, Firma.dev supports full white-labeling, allowing companies to apply custom branding to the e-signature experience. This feature is designed for SaaS platforms and resellers who need to maintain their brand identity within their applications.

What kind of compliance standards does Firma.dev meet for e-signatures?

Firma.dev adheres to major compliance standards for electronic signatures, including ESIGN, UETA, eIDAS, and GDPR. This ensures that the digital signatures processed through the API are secure and legally enforceable.

How does Firma.dev compare to HelloSign?

Firma.dev offers an extremely low cost per envelope with no minimums or contracts, which can be a more cost-effective solution compared to alternatives like HelloSign. It is specifically designed for developers and SaaS companies to embed e-signatures directly into their applications with full white-labeling.

How does Firma.dev pricing compare with other Developer Tools tools?

Firma.dev's entry paid plan (€100/mo, billed monthly) ranks #10 of 13 for price among the Developer Tools tools with a verified entry price and no stated unit, where the median is €54.08/mo. Prices are read on each vendor's own pricing page and compared only with tools priced on the same basis. Source: Toolradar, Nov 2026.

Source: firma.dev

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