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.
# 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 Stocks:open Close API
version: 1.0.0
extends: openapi/massive-com-stocks-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: 2
- target: $.paths['/v1/open-close/{indicesTicker}/{date}'].get
update:
x-apievangelist-phrasing:
intent: Get an index's open, close and after-hours values
effect: read
questions:
- What were a market index's opening and closing values on a specific date?
- Can I see an index's after-hours value for a past day?
instructions:
- text: Get the daily open/close for index {indicesTicker} on {date}.
slots:
indicesTicker: path.indicesTicker
date: path.date
- text: Show index {indicesTicker}'s open, close and after-hours values for {date}.
slots:
indicesTicker: path.indicesTicker
date: path.date
method: generated
generated: '2026-09-26'
- target: $.paths['/v1/open-close/{stocksTicker}/{date}'].get
update:
x-apievangelist-phrasing:
intent: Get a stock's open, close and after-hours prices
effect: read
questions:
- What were a stock's opening and closing prices on a given day?
- What did a share trade at in pre-market and after-hours on a past date?
instructions:
- text: Get the daily open/close for stock {stocksTicker} on {date}.
slots:
stocksTicker: path.stocksTicker
date: path.date
- text: Show {stocksTicker}'s open, close and after-hours prices for {date}.
slots:
stocksTicker: path.stocksTicker
date: path.date
method: generated
generated: '2026-09-26'
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