Sign Relay System

A cloud-native signature request relay that provides a unified API for document signing across multiple providers.

What is Sign Relay?

Sign Relay acts as an abstraction layer between your applications and electronic signature providers. Instead of integrating directly with D4Sign (or DocuSign, Adobe Sign, etc.), you integrate once with Sign Relay, and we handle the provider-specific complexities.

Key Features

| Feature | Description | |---------|-------------| | Unified API | Single interface for all signature providers | | Async Processing | Queue-based architecture for reliable delivery | | Status Sync | Real-time webhook handling and status polling | | Rate Limiting | Built-in throttling and quota management | | Audit Logging | Complete request/response trail | | Dashboard | Real-time metrics and monitoring | | Provider Swapping | Change providers without changing your code |

System Architecture

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Quick Start

1. Create a Signature Request

curl -X POST https://sign.fibersals.com.br/v1/documents \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Contract Agreement",
    "files": ["file_123"],
    "signers": [
      {
        "name": "John Doe",
        "email": "john@example.com",
        "role": "signer"
      }
    ]
  }'

2. Check Document Status

curl https://sign.fibersals.com.br/v1/documents/doc_456/status \
  -H "Authorization: Bearer YOUR_API_KEY"

3. Download Signed Document

curl https://sign.fibersals.com.br/v1/documents/doc_456/files/file_123/download \
  -H "Authorization: Bearer YOUR_API_KEY" \
  --output signed_contract.pdf

Supported Providers

Currently supported electronic signature providers:

  • D4Sign - Brazilian provider with advanced features
  • (More providers coming soon)

Next Steps