import { createAdminClient } from '@spree/admin-sdk'

const client = createAdminClient({
  baseUrl: 'https://your-store.com',
  secretKey: 'sk_xxx',
})

const { data: calculators } = await client.deliveryMethods.calculators()

spree api get /delivery_methods/calculators

{
  "data": [
    {
      "type": "flat_percent_item_total",
      "name": "Flat Percent",
      "schema": {
        "type": "object",
        "properties": {
          "flat_percent": {
            "type": "string",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          }
        },
        "additionalProperties": false
      }
    },
    {
      "type": "flat_rate",
      "name": "Flat rate",
      "schema": {
        "type": "object",
        "properties": {
          "amounts": {
            "type": "object",
            "propertyNames": {
              "type": "string",
              "format": "currency",
              "pattern": "^[A-Z]{3}$"
            },
            "additionalProperties": {
              "type": "string",
              "format": "money",
              "pattern": "^-?\\d+(\\.\\d+)?$"
            },
            "default": {}
          },
          "amount": {
            "type": [
              "string",
              "null"
            ],
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "currency": {
            "type": "string",
            "format": "currency",
            "pattern": "^[A-Z]{3}$"
          }
        },
        "additionalProperties": false
      }
    },
    {
      "type": "flexi_rate",
      "name": "Flexible Rate per package item",
      "schema": {
        "type": "object",
        "properties": {
          "first_item": {
            "type": "string",
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "additional_item": {
            "type": "string",
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "max_items": {
            "type": "integer",
            "default": 0
          },
          "currency": {
            "type": "string",
            "format": "currency",
            "pattern": "^[A-Z]{3}$"
          }
        },
        "additionalProperties": false
      }
    },
    {
      "type": "per_item",
      "name": "Flat rate per package item",
      "schema": {
        "type": "object",
        "properties": {
          "amounts": {
            "type": "object",
            "propertyNames": {
              "type": "string",
              "format": "currency",
              "pattern": "^[A-Z]{3}$"
            },
            "additionalProperties": {
              "type": "string",
              "format": "money",
              "pattern": "^-?\\d+(\\.\\d+)?$"
            },
            "default": {}
          },
          "amount": {
            "type": [
              "string",
              "null"
            ],
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "currency": {
            "type": "string",
            "format": "currency",
            "pattern": "^[A-Z]{3}$"
          }
        },
        "additionalProperties": false
      }
    },
    {
      "type": "price_sack",
      "name": "Price sack",
      "schema": {
        "type": "object",
        "properties": {
          "minimal_amount": {
            "type": "string",
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "normal_amount": {
            "type": "string",
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "discount_amount": {
            "type": "string",
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "currency": {
            "type": "string",
            "format": "currency",
            "pattern": "^[A-Z]{3}$"
          }
        },
        "additionalProperties": false
      }
    },
    {
      "type": "digital_delivery",
      "name": "Digital Delivery",
      "schema": {
        "type": "object",
        "properties": {
          "amounts": {
            "type": "object",
            "propertyNames": {
              "type": "string",
              "format": "currency",
              "pattern": "^[A-Z]{3}$"
            },
            "additionalProperties": {
              "type": "string",
              "format": "money",
              "pattern": "^-?\\d+(\\.\\d+)?$"
            },
            "default": {}
          },
          "amount": {
            "type": [
              "string",
              "null"
            ],
            "format": "money",
            "pattern": "^-?\\d+(\\.\\d+)?$",
            "default": "0"
          },
          "currency": {
            "type": "string",
            "format": "currency",
            "pattern": "^[A-Z]{3}$"
          }
        },
        "additionalProperties": false
      }
    }
  ]
}