curl --request POST \
  --url https://sandbox.hyperswitch.io/v2/payment-method-sessions \
  --header 'Content-Type: application/json' \
  --header 'api-key: <api-key>' \
  --data '{
  "customer_id": "12345_cus_abcdefghijklmnopqrstuvwxyz"
}'

{
  "id": "12345_pms_01926c58bc6e77c09e809964e72af8c8",
  "customer_id": "12345_cus_01926c58bc6e77c09e809964e72af8c8",
  "billing": {
    "address": {
      "city": "New York",
      "country": "AF",
      "line1": "123, King Street",
      "line2": "Powelson Avenue",
      "line3": "Bridgewater",
      "zip": "08807",
      "state": "New York",
      "first_name": "John",
      "last_name": "Doe",
      "origin_zip": "08807"
    },
    "phone": {
      "number": "9123456789",
      "country_code": "+1"
    },
    "email": "<string>"
  },
  "psp_tokenization": {
    "tokenization_type": "single_use",
    "connector_id": "<string>"
  },
  "network_tokenization": {
    "enable": "Enable"
  },
  "tokenization_data": "<any>",
  "expires_at": "2023-01-18T11:04:09.922Z",
  "client_secret": "<string>",
  "return_url": "<string>",
  "next_action": {
    "redirect_to_url": "<string>",
    "type": "redirect_to_url"
  },
  "authentication_details": {
    "status": "succeeded",
    "error": {
      "code": "<string>",
      "message": "<string>",
      "unified_code": "<string>",
      "unified_message": "<string>",
      "network_advice_code": "<string>",
      "network_decline_code": "<string>",
      "network_error_message": "<string>"
    }
  },
  "associated_payment_methods": [
    "<string>"
  ],
  "associated_token_id": "12345_tok_01926c58bc6e77c09e809964e72af8c8"
}