> ## Documentation Index
> Fetch the complete documentation index at: https://docs.cynopsis.co/llms.txt
> Use this file to discover all available pages before exploring further.

# Step 3 — Get Customer or CRP

This section covers the different ways to **retrieve customers and their associated CRPs** from the system.\
You can either fetch all customers, a specific customer by ID, or all CRPs belonging to a customer.

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### Endpoints in this section

* [Step 3a — Get All Primary Customers](./3a-get-all-primary-customers)\
  Retrieve a list of all primary customers within the domain. Useful for listing, searching, or pagination.

* [Step 3b — Get a Single Primary Customer](./3b-get-single-primary-customer)\
  Retrieve full details of a single primary customer by their unique `customerId`.

* [Step 3c — Get CRPs of a Customer](./3c-get-crps-of-a-customer)\
  Retrieve all **Customer Related Parties (CRPs)** that belong to a given primary customer, including their roles and particulars.