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latestOpenAPI 3.1.0MIT2026-08-221643491.4 MB

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rates

Estimate rates

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Get Rate Estimates

post/v2/rates/estimate

Request body

OR

Example request

{
  "carrier_id": "se-28529731",
  "from_country_code": "CA",
  "from_postal_code": "78756-3717",
  "from_city_locality": "Austin",
  "from_state_province": "Austin",
  "to_country_code": "CA",
  "to_postal_code": "78756-3717",
  "to_city_locality": "Austin",
  "to_state_province": "Houston",
  "weight": {
    "value": 3
  },
  "dimensions": {
    "length": 2,
    "width": 2,
    "height": 1
  },
  "ship_date": "2018-09-23T15:00:00.000Z"
}

Response

The request was a success.

rate_type'check' | 'shipment' required

The possible rate type values

carrier_idstring required

A string that uniquely identifies a ShipStation resource, such as a carrier, label, shipment, etc.

zoneinteger required

Certain carriers base their rates off of custom zones that vary depending upon the ship_to and ship_from location

package_typestring required

package type that this rate was estimated for

delivery_daysinteger

The number of days estimated for delivery, this will show the actual delivery time if for example, the package gets shipped on a Friday

guaranteed_serviceboolean required

Indicates if the rate is guaranteed.

estimated_delivery_datestring date-time

An ISO 8601 string that represents a date, but not a specific time. The value may contain a time component, but it will be set to 00:00:00 UTC by ShipStation .

carrier_delivery_daysstring

The carrier delivery days

ship_datestring date-time

ship date

negotiated_rateboolean required

Indicates if the rates been negotiated

service_typestring required

service type

service_codestring required

service code for the rate

trackableboolean required

Indicates if rate is trackable

carrier_codestring required

A [shipping carrier] , such as fedex, dhl_express, stamps_com, etc.

carrier_nicknamestring required

carrier nickname

carrier_friendly_namestring required

carrier friendly name

validation_status'valid' | 'invalid' | 'has_warnings' | 'unknown' required

The possible validation status values

warning_messagesstring[] required

The warning messages

error_messagesstring[] required

The error messages

Example response

[
  {
    "carrier_id": "se-28529731",
    "shipping_amount": {
      "amount": 12
    },
    "insurance_amount": {
      "amount": 12
    },
    "confirmation_amount": {
      "amount": 12
    },
    "other_amount": {
      "amount": 12
    },
    "tax_amount": {
      "amount": 12
    },
    "zone": 6,
    "package_type": "package",
    "delivery_days": 5,
    "guaranteed_service": true,
    "estimated_delivery_date": "2018-09-23T00:00:00Z",
    "carrier_delivery_days": "22",
    "ship_date": "2024-12-23T00:00:00.000Z",
    "negotiated_rate": true,
    "service_type": "next_day",
    "service_code": "usps_priority_mail_express",
    "trackable": true,
    "carrier_code": "stamps_com",
    "carrier_nickname": "free",
    "carrier_friendly_name": "free",
    "warning_messages": [
      "warning"
    ],
    "error_messages": [
      "error"
    ]
  }
]