Fast4signFast4sign
Fast4sign

Fast4sign

Legal electronic signature platform with facial recognition, WhatsApp integration, and API for secure contract management.

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About

Fast4Sign provides a comprehensive platform for electronic and digital signatures, enabling users to sign PDFs and manage contracts online with legal validity. The service emphasizes security and efficiency through features like facial recognition, seamless WhatsApp and email sending, and robust API integration for streamlined document workflows, all supported by a complete audit trail.

Technology stack

detected 2026-06-18
Est. monthly stack spend~$130/mo
EmailSelf-hosted
Hosting
self_managed
Stack
Bootstrap
Analytics
Google Tag Manager
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Frequently asked

What does Fast4sign do?

Fast4Sign provides a comprehensive platform for electronic and digital signatures, enabling users to sign PDFs and manage contracts online with legal validity. The service emphasizes security and efficiency through features like facial recognition, seamless WhatsApp and email sending, and robust API integration for streamlined document workflows, all supported by a complete audit trail.

Where is Fast4sign headquartered?

Fast4sign is headquartered in São Paulo, Brazil.

What industry does Fast4sign operate in?

Fast4sign operates in LegalTech, Fintech, Enterprise Software, Workflow Automation, Digital Signature, Contract Management.

How many employees does Fast4sign have?

Fast4sign has approximately 5 people on record.