Firma.dev
E-signatures API for your app averaging ~3¢ per envelope
Firma.dev launched on June 12, 2026 with 310 votes, #73 of 22,647 launches that month and more than 99% of that year's launches.
In plain words
Firma.dev is an e-signatures API that charges approximately 3 cents per envelope, significantly undercutting competitors like DocuSign. It offers pay-as-you-go pricing with no minimums or contracts, designed for developers to integrate signing capabilities quickly through a REST API with embeddable editors. The service includes a free sandbox environment for testing before any payment is required, targeting startups and SaaS teams seeking a streamlined alternative to lengthy sales processes.
written from the facts on this page · September 2026
From the sources
At €0.029 per envelope (about 3¢), Firma.dev runs about 99% cheaper than DocuSign, where one envelope can cost $4-5. Pay-as-you-go, no minimums, no contracts. Built developer-first for startups and SaaS teams who'd rather integrate signing in an afternoon than sit through a sales cycle: clean REST API, embeddable template and signing editors, integration in hours. Test everything free with a sandbox key, real docs and unlimited usage, before you pay a cent. Get an API key and start building.
E-signature API for developers. GDPR-compliant, just €0.049 per envelope. Integrate in hours, not weeks. No contracts, no minimums.
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