Anthropic · OpenAPI Overlay 1.0.0

API Evangelist conversational phrasing for Anthropic and Cost Usage API

2 actions 2 updates phrasing extends openapi/anthropic-usage-api-openapi.yml
Generated by API Evangelist Written by API Evangelist tooling for Anthropic's API. It is a proposal applied on top of the contract, not a document Anthropic publishes.
View Overlay File View on GitHub Overlay Specification

What the actions change

x-apievangelist-phrasing

Targets 2

$.info
$.paths['/v1/organizations/usage_report/messages'].get

OpenAPI Overlay

Raw ↑
# Generated by API Evangelist (build-phrasing.py). Our phrasing, not observed demand.
overlay: 1.0.0
info:
  title: API Evangelist conversational phrasing for Anthropic and Cost Usage API
  version: 1.0.0
extends: openapi/anthropic-usage-api-openapi.yml
actions:
- target: $.info
  update:
    x-apievangelist-phrasing:
      method: generated
      generated: '2026-09-26'
      generator: build-phrasing.py
      label: Generated by API Evangelist
      operations: 1
- target: $.paths['/v1/organizations/usage_report/messages'].get
  update:
    x-apievangelist-phrasing:
      intent: Report token usage by day, model and workspace
      effect: read
      questions:
      - How many tokens did my organization use each day last month?
      - Can I break usage down by model or workspace?
      - Is it possible to report usage for just certain models?
      instructions:
      - text: Report my token usage from {starting_at} to {ending_at}.
        slots:
          starting_at: query.starting_at
          ending_at: query.ending_at
      - text: Show usage since {starting_at} grouped by {group_by} in {bucket_width} buckets.
        slots:
          starting_at: query.starting_at
          group_by: query.group_by
          bucket_width: query.bucket_width
      - text: Get token usage for models {models} in workspaces {workspace_ids} since {starting_at}.
        slots:
          models: query.models
          workspace_ids: query.workspace_ids
          starting_at: query.starting_at
      method: generated
      generated: '2026-09-26'

Work with this as data

Every overlay here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for openapi overlays

4 MCP tools reach this
  • find_overlaysBrowse and filter every overlay in the catalog.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This overlay
curl "https://apis.io/api/v1/overlays/anthropic-usage-api-phrasing-overlay"
All openapi overlays
curl "https://apis.io/api/v1/overlays?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.