---
title: "Add to a batch"
method: POST
path: "/v1/batches/{batch_id}/add"
tags: ["batches"]
---

# Add to a batch

`POST /v1/batches/{batch_id}/add`

Add a Shipment or Rate to a Batch

## Request body

- AddToBatchRequestBody — A modify batch object
  - `shipment_ids` SeId[] — The Shipment Ids to be modified on the batch
  - `rate_ids` SeId[] — Array of Rate IDs to be modifed on the batch

## Response `204`

The request was successful.

- string

## Other responses

- `400` — The request contained errors.
- `404` — The specified resource does not exist.
- `500` — An error occurred on ShipEngine's side. > This error will automatically be reported to our engineers.

## Changes

- **2026-08-15** `f3a66d204565` — 18 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 `404`
  - 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`
  - …14 more

[Change history](https://skmtc.dev/shipstation/apis/shipengine-api/changes/v1/batches/:batch_id/add/post.md)

---

[API](https://skmtc.dev/shipstation/apis/shipengine-api.md) · [All operations](https://skmtc.dev/shipstation/apis/shipengine-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/shipstation/shipengine-api/revisions/422fd75e1e35/schema)