# Authentication



# Link to IAM Guide

Follow this link to go to the specific IAM Guide  
[https://dome-marketplace.github.io/iam-guide/](https://dome-marketplace.github.io/iam-guide/)

# DOME Verifiable Credentials (LEAR)

### How to implement

> using wallets, OIDC4VC&amp;VP. verification etc.

## Integration API (TMForum)

> Samples &amp; tutorials for implementing core federation scenarios using the TMForum APIs (with focus on semantics and workflow, beyond the API reference)
> 
> Some content also required for the Knowledgebase, which should be added here as well:
> 
> - How to: autenticate the marketplace on the shared data layer
> - How to: retrieve DOME ecosystem notifications
> - How to: retrieve a list of products from the shared catalog
> - How to: retrieve the product description from the shared catalog
> - How to: retrieve the product price model from the shared catalog
> - How to: push a product on the shared catalog
> - How to: retrieve an order from other marketplaces
> - How to: push a provisioning status on the shared data layer
> - How to: push metering information on the shared data layer
> - How to: push billing information on the shared data layer
> - How to: retrieve billing information on the shared data layer