How to issue verifiable completion certificates programmatically (free API, public verify page)

Short summary

A walkthrough for issuing cryptographically verifiable completion certificates via Attestify, a free API by Novadyne. Each certificate gets an Ed25519 signature and a public verify_url that anyone can check without an account. The post includes a single HTTP POST call for issuance, n8n integration, and an honest comparison against full credentialing platforms, W3C Verifiable Credentials, and plain PDF generators.

• •Attestify API issues Ed25519-signed certificates with public verify URLs in one HTTP call, no signup required
• •Integrates via LMS webhooks, n8n nodes, or cron batch processing
• •Compares against Certifier, Sertifier, W3C VC standards, and plain PDF generators

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