> ## Documentation Index
> Fetch the complete documentation index at: https://docs.oneinbox.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Usage



## OpenAPI

````yaml /openapi/openapi.yaml get /v1/usage
openapi: 3.1.0
info:
  title: OneInbox API
  version: 1.0.0
servers:
  - url: https://api-tokyo.oneinbox.ai
    description: Production (Tokyo ap-northeast-1)
security: []
tags:
  - name: health
  - name: integrations
  - name: llm-models
  - name: tools
  - name: knowledge-bases
  - name: voices
  - name: webhooks
  - name: agents
  - name: phone-numbers
  - name: calls
  - name: workspace
  - name: usage
  - name: audit-events
paths:
  /v1/usage:
    get:
      tags:
        - usage
      summary: Get Usage
      operationId: get_usage_v1_usage_get
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/UsageResponse'
      security:
        - API Key: []
components:
  schemas:
    UsageResponse:
      properties:
        calls_made_today:
          type: integer
          title: Calls Made Today
        max_calls_per_day:
          type: integer
          title: Max Calls Per Day
        calls_remaining_today:
          type: integer
          title: Calls Remaining Today
        calls_this_month:
          type: integer
          title: Calls This Month
        minutes_used_this_month:
          type: number
          title: Minutes Used This Month
        cost_cents_this_month:
          type: integer
          title: Cost Cents This Month
        kb_token_budget:
          type: integer
          title: Kb Token Budget
        period_start:
          type: string
          format: date-time
          title: Period Start
      type: object
      required:
        - calls_made_today
        - max_calls_per_day
        - calls_remaining_today
        - calls_this_month
        - minutes_used_this_month
        - cost_cents_this_month
        - kb_token_budget
        - period_start
      title: UsageResponse
      description: |-
        Developer-facing usage snapshot for GET /v1/usage (PDF API-mgmt #4).

        Daily figures reset at 00:00 UTC; monthly figures cover the current
        calendar month (UTC). `minutes_used_this_month` is the billed credit
        total (1 credit == 1 active minute). `cost_cents_this_month` is the
        estimated carrier spend.
  securitySchemes:
    API Key:
      type: http
      description: >-
        Your **API key** sent as a Bearer credential — `Authorization: Bearer
        <api_key>`, where `<api_key>` starts with `oi_sk_` (create one via `POST
        /v1/api-keys`). Although the field is labelled 'token', paste your API
        key here. A dashboard JWT is also accepted on this header for the same
        endpoints.
      scheme: bearer

````