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GET
/
v1
/
customers
/
{id}
Retrieve a customer
curl --request GET \
  --url https://api.withflex.com/v1/customers/{id} \
  --header 'Authorization: Bearer <token>'
{
  "customer": {
    "customer_id": "fcus_01HACM7FZ1084XB1GB6053VM0D",
    "first_name": "John",
    "last_name": "Doe",
    "email": "joh.doe@example.com",
    "phone": "+15555555555",
    "employer": "Flex",
    "shipping": {},
    "metadata": {
      "order_id": "8842",
      "channel": "shopify"
    },
    "created_at": "2026-06-15T14:30:00Z",
    "test_mode": false
  }
}

Authorizations

​
Authorization
string
header
required

Use a Bearer token to access this API.

Path Parameters

​
id
string
required
Example:

"fcus_01J9XR8M3K7VZ8N2YB4WJ6T0RA"

Response

Success

An envelope wrapping a single customer object.

​
customer
object
required

The customer.

Example:
{
  "customer_id": "fcus_01HACM7FZ1084XB1GB6053VM0D",
  "first_name": "John",
  "last_name": "Doe",
  "email": "joh.doe@example.com",
  "phone": "+15555555555",
  "employer": "Flex",
  "shipping": {
    "shipping_address_id": "fsh_01J9XR8M3K7VZ8N2YB4WJ6T0RA",
    "line1": "123 Main St",
    "line2": "Suite 100",
    "city": "San Francisco",
    "state": "CA",
    "postal_code": "94107",
    "country": "US"
  },
  "metadata": { "order_id": "8842", "channel": "shopify" },
  "created_at": "2026-06-15T14:30:00Z",
  "test_mode": false
}