---
title: "Fetch Channel Data"
method: POST
path: "/siebatchd/v1/siebatch/chfetch"
---

# Fetch Channel Data

`POST /siebatchd/v1/siebatch/chfetch`

## Request

- Base URL: `https://batch.sie-remote.net`
- URL: `https://batch.sie-remote.net/siebatchd/v1/siebatch/chfetch`
- Auth: none required
- TypeScript: <https://skmtc.dev/domaintools/apis/sie-batch-rest-api/docs/siebatchd/v1/siebatch/chfetch/post.ts> (a function with typed inputs; its response is checked against the schema)

Download data associated with a given channel. The seconds portion of start/end times are ignored, but for API consistency, seconds must be given. If no data is available then an HTTP 404 is returned.

## Request body

- ChannelTimeRange
  - `apikey` string, password, required: Your Farsight SIE Batch API Key (UUID format)
  - `channel` integer, required: Channel number (1-255)
  - `start_time` string, required: Start date in "YYYY-MM-DD HH:MM:SS" format (UTC)
  - `end_time` string, required: End date in "YYYY-MM-DD HH:MM:SS" format (UTC)

## Response `200`

Channel data stream. Content-Type varies by channel (typically application/x-ndjson or application/octet-stream for NMSG).

## Other responses

- `403`: Client error (authentication or validation failure)
- `404`: No data available for the requested time range.
- `500`: Server error

---

[API](https://skmtc.dev/domaintools/apis/sie-batch-rest-api.md) - [All operations](https://skmtc.dev/domaintools/apis/sie-batch-rest-api/llms.txt) - [OpenAPI document](https://skmtc.dev/domaintools/apis/sie-batch-rest-api/revisions/de8cf78f1787?raw)