SmartDocs API

Developer documentation

SmartDocs API

Document templates, PDF processing, and e-signing over one REST API.

Get startedAPI reference

All endpoints live under https://api.smartdocs.de/api/v1

GET /api/v1/templates

Request

curl https://api.smartdocs.de/api/v1/templates \
  -H "X-API-Key: sdk_live_…"

Response200 OK

{
  "success": true,
  "data": {
    "items": [],
    "total": 0,
    "page": 1,
    "pageSize": 20
  },
  "timestamp": "2026-06-11T09:30:12.481Z"
}

Core concepts

Three primitives, one envelope

Templates

Author once, render anywhere — versioned PDF & HTML templates with merge data

Concepts

Signing

Email, kiosk, and in-person flows with SMS OTP or link-only auth

Concepts

PDF assets

Direct-to-storage uploads, async processing, presigned delivery

Concepts

How it works

Read the quickstart →
  1. 1Get a key
  2. 2Upload or pick a template
  3. 3Start signing
  4. 4Track status

Integrations

Automate with n8n — no code

Our official n8n-nodes-smartdocs node lets you start signing from a template, react to completion in real time, and download the signed PDF — all from an n8n workflow.

n8n integrationView on npm →