---
title: "Changes to Estimate rates"
method: POST
path: "/v1/rates/estimate"
---

# Changes to Estimate rates

`POST /v1/rates/estimate`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 9 of 24 revisions.

- **2026-10-22** `e998dffc42be`: 6 warning
- **2026-10-09** `020f57d6f5b8`: 17 breaking, 9 warning, 60 info
- **2026-09-24** `ebaf10248333`: 1 warning
- **2026-09-19** `a969814fe3f0`: 1 breaking
- **2026-09-10** `1b7465aea2da`: 1 warning
- **2026-09-09** `a53b77a09f4a`: 1 info
- **2026-09-06** `3fdd35fbad5c`: 2 warning
- **2026-08-19** `3a3a81a22d2f`: 1 info
- **2026-08-15** `f3a66d204565`: 12 warning

## Changes

- **2026-10-22** `e998dffc42be`: 6 warning
  - added the new `bring_your_own_label_not_supported` enum value to the `errors/items/error_code` response property for the response status `400`
  - added the new `bring_your_own_label_not_supported` enum value to the `errors/items/error_code` response property for the response status `500`
  - added the new `multiple_sales_orders` enum value to the `errors/items/error_code` response property for the response status `400`
  - added the new `multiple_sales_orders` enum value to the `errors/items/error_code` response property for the response status `500`
  - added the new `sales_order_link_required` enum value to the `errors/items/error_code` response property for the response status `400`
  - added the new `sales_order_link_required` enum value to the `errors/items/error_code` response property for the response status `500`
- **2026-10-09** `020f57d6f5b8`: 17 breaking, 9 warning, 60 info
  - request property `allOf[subschema #1: rate_estimate_options]/address_residential_indicator` was restricted to a list of enum values
  - request property `allOf[subschema #1: rate_estimate_options]/confirmation` was restricted to a list of enum values
  - request property `allOf[subschema #1: rate_estimate_options]/weight/allOf[subschema #1: weight]/unit` was restricted to a list of enum values
  - the `allOf[subschema #1: rate_estimate_options]/from_country_code` request property's minLength was increased from `0` to `2`
  - the `allOf[subschema #1: rate_estimate_options]/from_postal_code` request property's minLength was increased from `0` to `1`
  - the `allOf[subschema #1: rate_estimate_options]/to_country_code` request property's minLength was increased from `0` to `2`
  - the `allOf[subschema #1: rate_estimate_options]/to_postal_code` request property's minLength was increased from `0` to `1`
  - the `allOf[subschema #1: rate_estimate_options]/address_residential_indicator` request property type changed from no type to `string`
  - the `allOf[subschema #1: rate_estimate_options]/confirmation` request property type changed from no type to `string`
  - the `allOf[subschema #1: rate_estimate_options]/from_country_code` request property type changed from no type to `string`
  - the `allOf[subschema #1: rate_estimate_options]/from_postal_code` request property type changed from no type to `string`
  - the `allOf[subschema #1: rate_estimate_options]/to_country_code` request property type changed from no type to `string`
  - the `allOf[subschema #1: rate_estimate_options]/to_postal_code` request property type changed from no type to `string`
  - the `allOf[subschema #1: rate_estimate_options]/weight/allOf[subschema #1: weight]/unit` request property type changed from no type to `string`
  - the `errors/items/` response's property type changed from no type to `object` for status `400`
  - the `errors/items/` response's property type changed from no type to `object` for status `500`
  - the `items/` response's property type changed from no type to `object` for status `200`
  - removed `#/components/schemas/address_residential_indicator` from the `allOf[subschema #1: rate_estimate_options]/address_residential_indicator` request property `allOf` list
  - removed `#/components/schemas/country_code` from the `allOf[subschema #1: rate_estimate_options]/from_country_code` request property `allOf` list
  - removed `#/components/schemas/country_code` from the `allOf[subschema #1: rate_estimate_options]/to_country_code` request property `allOf` list
  - removed `#/components/schemas/delivery_confirmation` from the `allOf[subschema #1: rate_estimate_options]/confirmation` request property `allOf` list
  - removed `#/components/schemas/postal_code` from the `allOf[subschema #1: rate_estimate_options]/from_postal_code` request property `allOf` list
  - removed `#/components/schemas/postal_code` from the `allOf[subschema #1: rate_estimate_options]/to_postal_code` request property `allOf` list
  - removed `#/components/schemas/weight_unit` from the `allOf[subschema #1: rate_estimate_options]/weight/allOf[subschema #1: weight]/unit` request property `allOf` list
  - the `allOf[subschema #1: rate_estimate_options]/from_country_code` request property's maxLength was set to `2`
  - the `allOf[subschema #1: rate_estimate_options]/to_country_code` request property's maxLength was set to `2`
  - added the new `adult_signature` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `adult_signature_restricted_delivery` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `age_verification_16_plus` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `delivery` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `delivery_code` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `delivery_mailed` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `direct_signature` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `gram` enum value to the request property `allOf[subschema #1: rate_estimate_options]/weight/allOf[subschema #1: weight]/unit`
  - added the new `kilogram` enum value to the request property `allOf[subschema #1: rate_estimate_options]/weight/allOf[subschema #1: weight]/unit`
  - added the new `no` enum value to the request property `allOf[subschema #1: rate_estimate_options]/address_residential_indicator`
  - added the new `none` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - added the new `ounce` enum value to the request property `allOf[subschema #1: rate_estimate_options]/weight/allOf[subschema #1: weight]/unit`
  - added the new `pound` enum value to the request property `allOf[subschema #1: rate_estimate_options]/weight/allOf[subschema #1: weight]/unit`
  - added the new `signature` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation`
  - …46 more
- **2026-09-24** `ebaf10248333`: 1 warning
  - added the new `quick` enum value to the `items/allOf[subschema #1: rate_estimate]/rate_type/allOf[subschema #1: rate_type]/` response property for the response status `200`
- **2026-09-19** `a969814fe3f0`: 1 breaking
  - the response property `items/allOf[subschema #1: rate_estimate]/carrier_delivery_days` became nullable for the status `200`
- **2026-09-10** `1b7465aea2da`: 1 warning
  - removed the optional property `items/allOf[subschema #1: rate_estimate]/delivery_prediction` from the response with the `200` status
- **2026-09-09** `a53b77a09f4a`: 1 info
  - added the optional property `items/allOf[subschema #1: rate_estimate]/delivery_prediction` to the response with the `200` status
- **2026-09-06** `3fdd35fbad5c`: 2 warning
  - added the new `freight_provider_already_connected` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `400`
  - added the new `freight_provider_already_connected` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `500`
- **2026-08-19** `3a3a81a22d2f`: 1 info
  - added the new `adult_signature_restricted_delivery` enum value to the request property `allOf[subschema #1: rate_estimate_options]/confirmation/allOf[subschema #1: delivery_confirmation]/`
- **2026-08-15** `f3a66d204565`: 12 warning
  - added the new `freight_connection_inactive` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `400`
  - added the new `freight_connection_inactive` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `500`
  - added the new `freight_provider_id_required` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `400`
  - added the new `freight_provider_id_required` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `500`
  - added the new `freight_shipment_not_batchable` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `400`
  - added the new `freight_shipment_not_batchable` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `500`
  - added the new `freight_shipment_not_found` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `400`
  - added the new `freight_shipment_not_found` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `500`
  - added the new `freight_tracking_not_available` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `400`
  - added the new `freight_tracking_not_available` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `500`
  - added the new `freight_tracking_not_found` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `400`
  - added the new `freight_tracking_not_found` enum value to the `errors/items/allOf[subschema #1: error]/error_code/allOf[subschema #1: error_code]/` response property for the response status `500`

---

[Operation](https://skmtc.dev/shipstation/apis/shipengine-api/docs/v1/rates/estimate/post.md) - [API](https://skmtc.dev/shipstation/apis/shipengine-api.md) - [Page](https://skmtc.dev/shipstation/apis/shipengine-api/changes/v1/rates/estimate/post)