Firma.dev

Automated

E-signature API for developers that lets you embed legally-binding document signing into any application with pay-per-use pricing.

Firma.dev has 1 plan: paid plans from €0.049. We last read its pricing page on 6 October 2026. We have not recorded a price change.

Firma.dev plans and prices

usage based

€0.049

Cheapest e-signature API — Only €0.049 per envelope, no minimums, no contracts.
Effortless Integration — Add signing workflows in minutes, just a few lines of code.
Ultra-Low Pricing — Only a few cents per envelope.
Fully White-Labeled — Embed e-signatures seamlessly with your own branding and UX.
Regulated & Secure — ESIGN, UETA & eIDAS compliant, with audit trails and certificates of completion.
Developer-first Toolkit — Swagger/OpenAPI docs, pre-built UI components, webhook events, and sample apps.
Complete REST API for SaaS Platforms — Built specifically for SaaS companies to embed e-signatures seamlessly.
Manage unlimited teams — Complete data isolation per team, Custom branding and white-labeling.

Show all 17 features

Event Stream Access — Access real-time events for all team activities and document status changes.
Create unlimited teams — Custom branding and white-labeling, Team-specific webhook configurations.
Document lifecycle events — Signing progress notifications, Team activity monitoring.
Track signing progress — Real-time status updates, Detailed signing progress.
Create reusable document templates — Define signature and form fields.
Retrieve all templates — Paginated results, Filter by creation date.
Real-time notifications for signing events
White-Label Embedding for SaaS — Enhance your platform with a fully integrated, hassle-free document signing solution.
Universal Compatibility with Multiple Frameworks — Works with JS, React, Vue.js, Angular and mobile apps.

Last 1 recorded changes

Date	Plan	Change	Old	New	Δ%
Sep 3, 2026	Pay-per-use	Reclassified	€0.029	€0.049	—

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