---
title: "Get a function's usage"
method: GET
path: "/functions/{id}/usage"
tags: ["Functions"]
---

# Get a function's usage

`GET /functions/{id}/usage`

## Request

- Base URL: `https://api.primitive.dev/v1`
- URL: `https://api.primitive.dev/v1/functions/{id}/usage`
- Auth: HTTP bearer

Invocations, runtime and webhook delivery outcomes for this function, for the current month and its lifetime.

## Path parameters

- `id` string, uuid, required

## Response `200`

Get a function's usage

- object
  - `success` true, required
  - `data` GetFunctionUsageResult, required
    - `monthly` object, required
      - `invocations` number, required
      - `runtime_ms` number, required
      - `delivered` number, required
      - `failed` number, required
    - `lifetime` object, required
      - `invocations` number, required
      - `runtime_ms` number, required
      - `delivered` number, required
      - `failed` number, required

## Other responses

- `401`: Invalid or missing API key
- `403`: Authenticated caller lacks permission for the operation
- `404`: Resource not found
- `429`: Rate limit exceeded. The `ratelimit-*` headers describe the limiter that rejected this request, with its own limit and window, not the API budget that successful responses report. A limiter that reports only a wait sends `Retry-After` alone.

---

[API](https://skmtc.dev/primitive/apis/primitive-api.md) - [All operations](https://skmtc.dev/primitive/apis/primitive-api/llms.txt) - [OpenAPI document](https://skmtc.dev/primitive/apis/primitive-api/revisions/bce409c97acb?raw)