---
title: "Attach a file"
method: POST
path: "/apps/{appId}/transactions/{id}/attach"
tags: ["Transactions"]
---

# Attach a file

`POST /apps/{appId}/transactions/{id}/attach`

## Path parameters

- `appId` integer, required
- `id` integer, required

## Query parameters

- `file` string, binary

## Response `200`

Success

## Other responses

- `400` — Bad request
- `404` — Not found

---

[API](https://skmtc.net/sinao/apis/sinao-api.md) · [All operations](https://skmtc.net/sinao/apis/sinao-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sinao/sinao-api/versions/436b47b78bf4/schema)