Massive (formerly Polygon.io) · OpenAPI Overlay 1.0.0

API Evangelist conversational phrasing for Massive Com Options:open Close API

2 actions 2 updates phrasing extends openapi/massive-com-options-open-close-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 2

$.info

$.paths['/v1/open-close/{optionsTicker}/{date}'].get

OpenAPI Overlay

# 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 Options:open Close API
  version: 1.0.0
extends: openapi/massive-com-options-open-close-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/open-close/{optionsTicker}/{date}'].get
  update:
    x-apievangelist-phrasing:
      intent: Get an option's open, close and after-hours prices
      effect: read
      questions:
      - What were an options contract's open and close prices on a past date?
      - Can I see after-hours prices for an option on a specific day?
      instructions:
      - text: Get the daily open/close for {optionsTicker} on {date}.
        slots:
          optionsTicker: path.optionsTicker
          date: path.date
      - text: Show open, close and after-hours prices for option {optionsTicker} on {date}.
        slots:
          optionsTicker: path.optionsTicker
          date: path.date
      method: generated
      generated: '2026-09-26'