Developer Reference · Webhooks · REST API · GraphQL

Build with confidence.

Complete API documentation for integrating document sealing and verification into your platform. Free tier includes webhooks, REST API, and GraphQL support for developers.

REST API

HTTP endpoints for document sealing, verification, and credential management

Webhooks

Real-time event notifications for seal completions, verifications, and status changes

GraphQL API

Query language for flexible document and credential lookups

Client SDKs

Official libraries for TypeScript, Python, Ruby, and Go with typed responses and auto-retry

Developer Support

Get in touch

Tell us what you're building. We answer integration, schema, auth, rate-limit, SDK, and pricing questions — usually within a business day.

Work email

Company (optional)

Role (optional)

Topic (optional)

Message (optional)

No spam, unsubscribe anytime. We respect your privacy.