//One-liner
Firma.dev is a developer-first e-signature API with pay-as-you-go pricing starting at €0.029 per envelope.

//Short description
Firma.dev is an e-signature API built for developers who need to add document signing to their products without the overhead. With embedded editors, Customer Workspaces for multi-tenant apps, and pricing at €0.029 per envelope, it's the most affordable way to ship compliant e-signatures. No contracts, no minimums.

//Long description
Firma.dev is an e-signature API designed for SaaS teams and developers who want to embed document signing directly into their products. The platform includes embedded template and signing editors, Customer Workspaces for multi-tenant isolation, white-labeling with custom email domains, and support for anchor tags and conditional fields. Firma.dev is designed to support compliance with eIDAS (SES and AES), the ESIGN Act, UETA, and GDPR. Infrastructure is EU-hosted on AWS (Paris and Stockholm). Pricing starts at €0.029 per envelope with no contracts, no monthly minimums, and 25 free envelopes to get started. Firma.dev is built and operated by 1600 Holdings.