# List Customers

**GET /api/customers.json**

Retrieve a paginated list of customers.

**Also: Retrieve a Customer by Phone Number** — pass `phone_number` to return that contact's details.


## Servers
- Production: https://application.textline.com (Production)



## Parameters


### Query parameters

- **phone_number** (string)
  If set, retrieve that contact instead of listing customers.



## Responses
### 200
OK

#### Body: application/json (object)
- **customer** (object)



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