# NBSIM Open API Docs

## Docs
- [User Guide](https://apidoc-en.nbsim.com/doc-2982856.md): 
- Interface Description [API Integration Support](https://apidoc-en.nbsim.com/doc-7989079.md): 

## API Docs
- Integrated Card Interfaces [Mapping of Integrated Card IDs](https://apidoc-en.nbsim.com/api-109853458.md): Functional description: Retrieve all associated identifiers (e.g., for 3-in-1 cards) by providing any single ID from the set. 
- Integrated Card Interfaces [Retrieval of Cumulative Usage for Integrated Cards](https://apidoc-en.nbsim.com/api-109853459.md): Functional description: Query the total data consumption for all associated profiles within the integrated cards.