Reliable Access to Your eSignature Workflows
When you're sending an agreement for signature or integrating eSignatures into your application, you need a platform you can rely on. Indigo e-Sign is built to support businesses with secure online document signing and API-based workflows, with a 99.9% Uptime SLA for its API offering.
99.9% Uptime SLA
Indigo e-Sign provides a 99.9% Uptime SLA for its API platform.
This is designed to give businesses greater confidence when using Indigo e-Sign as part of their applications and document workflows.
Continuous health checks and cloud microservices ensure that your mission-critical signing processes stay responsive around the clock.
Our cloud architecture is engineered for uninterrupted signature requests, signer routing, and webhook execution.
Available From Any Device
Indigo e-Sign works directly through the browser, so users can access their signing workflows without installing additional software.
Signers and senders never need to download plugins or install apps. Everything runs smoothly in modern web browsers (Chrome, Edge, Safari, Firefox).
Signers can open signing requests from a computer, tablet, or smartphone and complete their documents online anywhere, anytime.
Reliable API Workflows
Businesses can integrate Indigo e-Sign into their own applications using REST APIs. This allows businesses to connect electronic signing with their existing applications and workflows.
The API supports creating signature requests, adding signers, sending documents, and tracking document status programmatically.
Receive automated push updates straight to your server endpoints the instant a document action takes place.
Real-Time Document Updates
Indigo e-Sign provides webhook notifications for important signing events. Developers can receive updates when a request is sent, viewed, signed, or completed without continuously polling the document status.
Built for Business Workflows
Indigo e-Sign supports document workflows for businesses across areas such as contracts, HR documents, sales agreements, vendor agreements, and other documents that require signatures.
Users can upload documents, add signers, send signing requests, and track progress from the platform in real time.
Tailored for legal, sales, finance, real estate, and human resources workflows with zero bottlenecks.
Availability and Security Work Together
Availability is only useful when the platform also protects the documents being handled. Indigo e-Sign combines its availability and API capabilities with multi-layered security controls.
All API requests and document transmissions are protected by modern transport-layer encryption.
Document files and completion certificates are sealed with 256-bit AES encryption standard.
Signers access documents via unique, expiring cryptographic tokens without account setup required.
Organization permission tiers control which team members can create, review, and sign documents.
Immutable event logs track exact UTC timestamps, IP addresses, and participant identity records.
SHA-256 cryptographic hashing immediately detects any unauthorized post-signature document tampering.
Availability FAQs
Keep Your Signing Workflows Moving
Whether you're sending documents from the Indigo e-Sign platform or integrating eSignatures into your own application, Indigo provides tools designed to keep your document workflows connected.