> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.navipartner.com/entria-api/entria-api-reference/membership/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.navipartner.com/_mcp/server.

# Membership

> Documentation for NaviPartner's NP Retail, NP Attractions, NP Hospitality, NP Store Assistant and Entria products, plus their REST APIs, built on Microsoft Dynamics 365 Business Central.


## API Docs

- Membership [Check whether a membership card number is valid](https://docs.navipartner.com/entria-api/entria-api-reference/membership/get-get-membership-card-by-number.md)
- Membership [List the alterations available for a membership card](https://docs.navipartner.com/entria-api/entria-api-reference/membership/get-get-membership-alterations.md)
- Membership [Search for members by email address](https://docs.navipartner.com/entria-api/entria-api-reference/membership/get-find-members.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://docs.navipartner.com/entria-api/entria-api-reference/membership/openapi.json)
- [OpenAPI YAML](https://docs.navipartner.com/entria-api/entria-api-reference/membership/openapi.yaml)