---
title: "Get serialized box from UTXO pool in Base16 encoding by an identifier."
method: GET
path: "/utxo/byIdBinary/{boxId}"
tags: ["utxo"]
---

# Get serialized box from UTXO pool in Base16 encoding by an identifier.

`GET /utxo/byIdBinary/{boxId}`

## Path parameters

- `boxId` string, required

## Response `200`

Json containing box identifier and hex-encoded box bytes

- SerializedBox
  - `boxId` string, base16, required — Base16-encoded transaction box id bytes. Should be 32 bytes long
  - `bytes` string, base16, required — Base16-encoded bytes

## Other responses

- `404` — Box with this id doesn't exist
- `default` — Error

---

[API](https://skmtc.dev/ergoplatform/apis/ergo-node-api.md) · [All operations](https://skmtc.dev/ergoplatform/apis/ergo-node-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/ergoplatform/ergo-node-api/revisions/a731602272c6/schema)