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

# Customers


## API Docs

- Customers [Get customer by ID, chain, and store](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/get-customer-by-id-chain-and-store.md)
- Customers [Get customer by ID and chain](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/get-customer-by-id-and-chain.md)
- Customers [Insert/update list of customers for specific store](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/insert-update-list-of-customers-for-specific-store.md)
- Customers [Delete multiple customers from specific store](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/delete-multiple-customers-from-specific-store.md)
- Customers [Insert/update list of customers for all stores](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/eccu.md)
- Customers [Delete multiple customers from all stores](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/delete-multiple-customers-from-all-stores.md)
- Customers [Delete customer from specific store](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/delete-customer-from-specific-store.md)
- Customers [Delete customer from all stores](https://fiftytwo-demo.ferndocs.com/api/master-data/reference/customers/delete-customer-from-all-stores.md)

## OpenAPI Specification

The raw OpenAPI 3.1 specification for this API is available at:
- [OpenAPI JSON](https://fiftytwo-demo.ferndocs.com/openapi.json)
- [OpenAPI YAML](https://fiftytwo-demo.ferndocs.com/openapi.yaml)