--- title: "Changes to Batch upsert" method: POST path: "/crm/objects/2026-03/postal_mail/batch/upsert" --- # Changes to Batch upsert `POST /crm/objects/2026-03/postal_mail/batch/upsert` > Every recorded change to this operation, newest first. ## Timeline Changed in 5 of 52 revisions. - **2026-09-22** (2026-03) `cc578f3a55a3`: 1 info - **2026-06-23** (2026-03) `b8d9446f9691`: 2 info - **2026-06-15** (2026-03) `c590c78e0553`: 2 breaking, 20 info - **2026-06-15** (2026-03) `3b8e302cc58e`: 14 breaking, 8 warning - **2026-04-15** (2026-03) `712a22ca2cea`: 5 info ## Changes - **2026-09-22** (2026-03) `cc578f3a55a3`: 1 info - the endpoint scheme security `oauth2` was removed from the API - **2026-06-23** (2026-03) `b8d9446f9691`: 2 info - added the optional property `results/items/warnings` to the response with the `200` status - added the optional property `results/items/warnings` to the response with the `207` status - **2026-06-15** (2026-03) `c590c78e0553`: 2 breaking, 20 info - the `results/items/` response's property type changed from no type to `object` for status `200` - the `results/items/` response's property type changed from no type to `object` for status `207` - added the optional property `results/items/archivedAt` to the response with the `200` status - added the optional property `results/items/archivedAt` to the response with the `207` status - added the optional property `results/items/objectWriteTraceId` to the response with the `200` status - added the optional property `results/items/objectWriteTraceId` to the response with the `207` status - added the optional property `results/items/propertiesWithHistory` to the response with the `200` status - added the optional property `results/items/propertiesWithHistory` to the response with the `207` status - added the optional property `results/items/url` to the response with the `200` status - added the optional property `results/items/url` to the response with the `207` status - added the required property `results/items/archived` to the response with the `200` status - added the required property `results/items/archived` to the response with the `207` status - added the required property `results/items/createdAt` to the response with the `200` status - added the required property `results/items/createdAt` to the response with the `207` status - added the required property `results/items/id` to the response with the `200` status - added the required property `results/items/id` to the response with the `207` status - added the required property `results/items/new` to the response with the `200` status - added the required property `results/items/new` to the response with the `207` status - added the required property `results/items/properties` to the response with the `200` status - added the required property `results/items/properties` to the response with the `207` status - added the required property `results/items/updatedAt` to the response with the `200` status - added the required property `results/items/updatedAt` to the response with the `207` status - **2026-06-15** (2026-03) `3b8e302cc58e`: 14 breaking, 8 warning - the `results/items/` response's property type changed from `object` to no type for status `200` - the `results/items/` response's property type changed from `object` to no type for status `207` - removed the required property `results/items/archived` from the response with the `200` status - removed the required property `results/items/archived` from the response with the `207` status - removed the required property `results/items/createdAt` from the response with the `200` status - removed the required property `results/items/createdAt` from the response with the `207` status - removed the required property `results/items/id` from the response with the `200` status - removed the required property `results/items/id` from the response with the `207` status - removed the required property `results/items/new` from the response with the `200` status - removed the required property `results/items/new` from the response with the `207` status - removed the required property `results/items/properties` from the response with the `200` status - removed the required property `results/items/properties` from the response with the `207` status - removed the required property `results/items/updatedAt` from the response with the `200` status - removed the required property `results/items/updatedAt` from the response with the `207` status - removed the optional property `results/items/archivedAt` from the response with the `200` status - removed the optional property `results/items/archivedAt` from the response with the `207` status - removed the optional property `results/items/objectWriteTraceId` from the response with the `200` status - removed the optional property `results/items/objectWriteTraceId` from the response with the `207` status - removed the optional property `results/items/propertiesWithHistory` from the response with the `200` status - removed the optional property `results/items/propertiesWithHistory` from the response with the `207` status - removed the optional property `results/items/url` from the response with the `200` status - removed the optional property `results/items/url` from the response with the `207` status - **2026-04-15** (2026-03) `712a22ca2cea`: 5 info - the endpoint scheme security `app_cookie` was removed from the API - the endpoint scheme security `hapikey` was removed from the API - the endpoint scheme security `internal_cookie` was removed from the API - the endpoint scheme security `private_apps` was removed from the API - the endpoint scheme security `shhkey` was removed from the API --- [Operation](https://skmtc.dev/hubspot/apis/crm-postal-mail/docs/crm/objects/2026-03/postal_mail/batch/upsert/post.md) - [API](https://skmtc.dev/hubspot/apis/crm-postal-mail.md) - [Page](https://skmtc.dev/hubspot/apis/crm-postal-mail/changes/crm/objects/2026-03/postal_mail/batch/upsert/post)