---
title: "Ingest NCCL Inspector Events"
method: POST
path: "/api/nccl/ingest"
tags: ["NCCL"]
---

# Ingest NCCL Inspector Events

`POST /api/nccl/ingest`

## Request

- Base URL: `https://api.fiber.ac` (the document declares no server; this is the origin it was published from)
- URL: `https://api.fiber.ac/api/nccl/ingest`
- Auth: none declared

Accept NCCL Inspector JSON events (per-rank per-collective bandwidth/duration). Events are persisted to ClickHouse hikari.nccl_events for later correlation with optical telemetry. Expected payload: {"events": [{"ts", "comm", "rank", "node", "collective", "count", "duration_us", "bw_GBps", "job"}, ...]}.

## Request body

- object

## Response `200`

Count of inserted/skipped events

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/fiber-ac/apis/fiber-api.md) · [All operations](https://skmtc.dev/fiber-ac/apis/fiber-api/llms.txt) · [OpenAPI document](https://skmtc.dev/fiber-ac/apis/fiber-api/revisions/58267250d793?raw)