---
title: "The calling key's own aggregate usage telemetry"
method: GET
path: "/api/v1/usage"
tags: ["meta"]
---

# The calling key's own aggregate usage telemetry

`GET /api/v1/usage`

## Request

- Base URL: `https://wattgap.com`
- URL: `https://wattgap.com/api/v1/usage`
- Auth: API key in header `X-WattGap-Key`

Return aggregate call counts for the calling X-WattGap-Key only. Never includes household records or another key's usage.

## Response `200`

Usage summary for the calling key

- UsageResponse
  - `data` UsageData, required
    - `tier` 'free' | 'metered', required
    - `total_calls` integer, required
    - `per_endpoint` object, required
    - `unique_zips` integer, required
    - `unique_apps` integer, required
    - `confidence_tier_distribution` object, required
      - `high` integer, required
      - `medium` integer, required
      - `low` integer, required
    - `first_seen` string, nullable, required
    - `last_seen` string, nullable, required
  - `meta` object, required
    - `generated_at` string, required
    - `api_version` 'v1', required

## Other responses

- `401`: Missing or invalid X-WattGap-Key. Rate-limit headers are omitted because no key was accepted.
- `429`: Rate limit exceeded

---

[API](https://skmtc.dev/wattgap/apis/wattgap-energy-intelligence-api.md) · [All operations](https://skmtc.dev/wattgap/apis/wattgap-energy-intelligence-api/llms.txt) · [OpenAPI document](https://skmtc.dev/wattgap/apis/wattgap-energy-intelligence-api/revisions/9e79fdd6bcc2?raw)