The API-First Digital Signature Platform

Secure Digital Signatures
Integrated Into Your Business

Integrate legally-binding signatures into your products and workflows with an API designed for security, reliability, and unparalleled ease of use.

99.9% Uptime SLA
SOC 2 Compliant
24/7 Support

Comprehensive Digital Signature Solutions

From simple document signing to complex, automated workflows, Permado provides the tools you need to secure your digital processes.

Advanced Electronic Signatures

Create cryptographically secure signatures that ensure document authenticity and non-repudiation for legal compliance.

Multi-Format Document Support

Securely sign the documents that run your business, from PDFs and contracts to XML invoices and JSON data structures.

Built for Performance

Our platform is designed for enterprise scale with sub-second response times, batch processing, and comprehensive webhook support.

Core Platform Capabilities

Leverage a comprehensive suite of tools designed for robust security, auditability, and legal compliance across your organization.

Document Signing

Cryptographically sign documents with PKI certificates and advanced signature standards.

PDF • XML • JSON • Binary

Signature Validation

Verify signature authenticity, certificate chains, and document integrity in real-time.

Chain Validation • OCSP • CRL

Timestamping

Apply RFC 3161 trusted timestamps to prove when documents were signed.

RFC 3161 • TSA • Audit Trails

Certificate Management

Manage digital certificates, keys, and HSM integrations through unified APIs.

PKI • HSM • Cloud KMS

Batch Processing

Process thousands of documents simultaneously with optimized performance.

Bulk Operations • Queues

Compliance Standards

Meet international regulations with eIDAS, ESIGN Act, and PIPEDA compliance.

eIDAS • ESIGN • PIPEDA

Audit & Reporting

Comprehensive audit trails and compliance reporting for all signature operations.

Logs • Reports • Analytics

Long-Term Validation

Ensure signatures remain valid over time with archive-grade validation services.

LTV • Archive • Preservation

Seamless Integration

Simple for Developers, Powerful for Business

Get started with just a few API calls. Our robust tools and comprehensive documentation accelerate your time to market.

1

Authenticate & Setup

Get your API keys and configure your certificates or use our managed PKI service for instant setup.

2

Upload & Sign

Send documents to our API endpoints for signing, timestamping, and validation using simple REST calls.

3

Receive & Validate

Get signed documents with embedded signatures and validation reports for compliance and audit purposes.

A Glimpse of Our Simple API

Your developers can sign a PDF document with just a few lines of code.

# Sign a PDF document
curl -X POST https://api.permado.com/v1/sign \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"document": "base64_encoded_pdf",
"certificate_id": "cert_12345",
"signature_format": "PAdES-B-LTV"
}'

Enterprise-Grade Features

Built for scale, security, and seamless integration into your existing infrastructure.

Multiple Signature Standards

Support for PAdES, XAdES, CAdES, and JAdES signature formats with full compliance validation.

HSM & Cloud KMS Integration

Secure key storage with Hardware Security Modules and cloud-based key management services.

High-Performance Processing

Process thousands of documents per minute with auto-scaling infrastructure and optimized algorithms.

RFC 3161 Timestamping

Trusted timestamping services for long-term signature validity and legal proof of signing time.

RESTful APIs & SDKs

Comprehensive APIs with SDKs for Python, Java, .NET, Node.js, and more programming languages.

Comprehensive Validation

Real-time certificate validation with OCSP, CRL checking, and trust chain verification.

Why Choose Permado?

Experience the benefits of a modern, cloud-native digital signature service designed for today's enterprise needs.

Lightning Fast Performance

Sub-second response times with global CDN distribution and optimized signature algorithms for maximum throughput.

Bank-Grade Security

FIPS 140-2 Level 3 HSMs, end-to-end encryption, and zero-knowledge architecture ensure maximum security.

Developer-First Experience

This focus means your team can integrate faster, saving you time and resources for a quicker return on investment.

Global Compliance Ready

Pre-configured for eIDAS, ESIGN Act, and other international regulations with automated compliance reporting.

Enterprise Scalability

Auto-scaling infrastructure handles millions of signatures per day with guaranteed 99.9% uptime SLA.

24/7 Expert Support

Dedicated technical support team with cryptography and PKI expertise, available around the clock.

Flexible Pricing for Every Scale

Start free and scale with transparent, usage-based pricing designed for modern businesses.

Developer

Perfect for testing and small-scale applications

Free /month
  • 1,000 signatures/month
  • All signature formats (PAdES, XAdES, CAdES)
  • REST API access
  • Community support
Start Free
Most Popular

Business

For growing companies and production use

$99 /month
  • 50,000 signatures/month
  • All signature formats + JAdES
  • RFC 3161 timestamping
  • Priority support
  • SLA guarantee
Start Trial

Enterprise

For large-scale deployments and custom needs

Custom
  • Unlimited signatures
  • On-premise deployment options
  • Custom integrations
  • Dedicated support manager

All plans include signature validation, certificate management, and comprehensive audit logs.

Usage overage: $0.005 per additional signature

Ready to Build with Permado?

Schedule a personalized demo with our experts to see how Permado can streamline your workflows and enhance your application's security.