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What is EUDIPLO?

EUDIPLO is a lightweight, open-source middleware layer that bridges your IT systems with the European Digital Identity Wallet (EUDI Wallet) ecosystem.

Whether you're building services for government, education, healthcare, or the private sector—EUDIPLO lets you interact with EUDI Wallets using simple JSON-based APIs, without having to implement complex identity protocols yourself.

EUDIPLO stands for EUDI Protocol Liaison Operator

The name EUDIPLO is inspired by diplomat — because this middleware acts as a translator and trusted go-between. It speaks fluent EUDI specs on one side and down-to-earth JSON on the other, making sure your backend doesn't have to become a protocol expert overnight.

Why EUDIPLO?

Connecting to the EUDI Wallet ecosystem is technically demanding:

  • You must understand OID4VCI, OID4VP, SD-JWT VC, mDOC (ISO 18013-5), and OAuth-based status protocols.
  • Libraries are scattered, often incomplete or language-specific.
  • Hosted services can lead to vendor lock-in or obscure how your data is processed.

EUDIPLO solves these problems by acting as a protocol abstraction layer you can run yourself, integrate over HTTP, and configure via JSON.

Key Capabilities

Capability Description
🛂 Issuance Issue credentials to users through the EUDI Wallet
🧾 Presentation Request credentials from users and verify them
🔄 Cross-Flow Support Request credentials as part of an issuance flow
🔐 Secure by Default Built-in support for secure key handling and OAuth-based status checking
🧱 Plug and Play Integrates with your backend over HTTP; no requirement to use a specific programming language
🖥️ Web Client Included Comes with a ready-to-use web interface for easy testing and interaction
⚙️ JSON Configurable Set up templates, trust roots, and issuers through JSON files
🇪🇺 Wallet Compatible Works with multiple wallets
✅ OIDF Conformant Tested against the OpenID Foundation conformance suite for OID4VCI and OID4VP
👥 Multi-Tenant Support Isolate configurations for different tenants or clients

Try EUDIPLO

curl -fsSL https://eudiplo.dev/install.sh | bash
eudiplo demo

npx @eudiplo/cli demo

Both options run the same EUDIPLO CLI.

  • Standalone CLI: native executable, no Node.js required.
  • npm package: @eudiplo/cli, requires Node.js 22+.
  • The demo requires Docker and Docker Compose.
  • eudiplo demo creates a local demo deployment for evaluation, not production.

Continue with:

Where Does It Fit?

Here’s how EUDIPLO fits into your infrastructure:

EUDIPLO Overview

📺 Watch the Webinar

Learn more about EUDIPLO in our recorded webinar (September 17, 2025), featuring a deep dive into features, architecture, and live Q&A:

EUDIPLO Webinar

Watch on YouTube

🤝 Community Call

Join our bi-weekly community call every Thursday:

Participate via Zoom

For more details on credential issuance and verification, check out:
📘 Configure credentials
📘 Verify credentials

Who is it For?

EUDIPLO is built for:

  • 🏛️ Government services that need to verify official documents.
  • 🎓 Universities and schools that issue or validate diplomas.
  • 🏥 Health systems managing patient identity or insurance.
  • 🏢 Private sector apps that want to integrate trustable identity with minimal complexity.

If your organization needs to connect to the EUDI Wallet ecosystem—without reinventing the wheel—EUDIPLO is your gateway.