Massive (formerly Polygon.io) · OpenAPI Overlay 1.0.0

API Evangelist conversational phrasing for Massive Com Markets API

5 actions 5 updates phrasing extends openapi/massive-com-markets-api-openapi.yml
Generated by API Evangelist Written by API Evangelist tooling for Massive (formerly Polygon.io)'s API. It is a proposal applied on top of the contract, not a document Massive (formerly Polygon.io) publishes.
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What the actions change

x-apievangelist-phrasing

Targets 5

$.info
$.paths['/v3/reference/markets'].get
$.paths['/v3/reference/exchanges'].get
$.paths['/v1/marketstatus/upcoming'].get
$.paths['/v1/marketstatus/now'].get

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# Generated by API Evangelist (build-phrasing.py). Our phrasing, not observed demand.
overlay: 1.0.0
info:
  title: API Evangelist conversational phrasing for Massive Com Markets API
  version: 1.0.0
extends: openapi/massive-com-markets-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: 4
- target: $.paths['/v3/reference/markets'].get
  update:
    x-apievangelist-phrasing:
      intent: List supported markets
      effect: read
      questions:
      - Which markets are supported for data?
      - What market types can I query?
      instructions:
      - text: List all supported markets.
      - text: Show me which markets are available.
      method: generated
      generated: '2026-09-26'
- target: $.paths['/v3/reference/exchanges'].get
  update:
    x-apievangelist-phrasing:
      intent: List exchanges by asset class
      effect: read
      questions:
      - Which exchanges are listed for stocks or options?
      - Can I filter exchanges by locale?
      instructions:
      - text: List exchanges for asset class {asset_class}.
        slots:
          asset_class: query.asset_class
      - text: Show exchanges in locale {locale}.
        slots:
          locale: query.locale
      method: generated
      generated: '2026-09-26'
- target: $.paths['/v1/marketstatus/upcoming'].get
  update:
    x-apievangelist-phrasing:
      intent: List upcoming US market holidays
      effect: read
      questions:
      - When is the next US stock market holiday?
      - Is the market closing early on an upcoming holiday?
      instructions:
      - text: List upcoming market holidays.
      - text: Show the holiday session schedule for US markets.
      method: generated
      generated: '2026-09-26'
- target: $.paths['/v1/marketstatus/now'].get
  update:
    x-apievangelist-phrasing:
      intent: Check whether US markets are open now
      effect: read
      questions:
      - Is the US stock market open right now?
      - Are we in pre-market or after-hours trading at the moment?
      instructions:
      - text: Check the current US market status.
      - text: Tell me if markets are open right now.
      method: generated
      generated: '2026-09-26'