---
title: "Record metrics"
method: PUT
path: "/bus/metric/{key}"
tags: ["bus"]
---

# Record metrics

`PUT /bus/metric/{key}`

## Path parameters

- `key` 'contract' | 'contractprune' | 'performance' | 'wallet', required

## Request body

- object
  - `metrics` ContractPruneMetric[]
    - `timestamp` string, date-time
    - `contractID` string — A unique identifier for a file contract
    - `hostKey` string — A ed25519 public key
    - `hostVersion` string
    - `pruned` integer
    - `remaining` integer
    - `duration` integer — Duration in nanoseconds

## Response `200`

Successfully recorded metrics

## Other responses

- `400` — Invalid metric key or request body
- `500` — Internal server error

## Changes

- **2024-12-18** `922f156353c9` — 1 breaking, 1 info
  - removed the media type `text/plain` for the response with the status `500`
  - api tag `bus` added
- **2024-12-17** `c29740362267` — 1 info
  - endpoint added
- **2024-12-09** `f062c35d8f47` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/siafoundation/apis/renterd-api/changes/bus/metric/:key/put.md)

---

[API](https://skmtc.dev/siafoundation/apis/renterd-api.md) · [All operations](https://skmtc.dev/siafoundation/apis/renterd-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/siafoundation/renterd-api/revisions/184a3d5207da/schema)