Massive (formerly Polygon.io) · OpenAPI Overlay 1.0.0
API Evangelist conversational phrasing for Massive Com Us Futures API
9 actions
9 updates
phrasing
extends
openapi/massive-com-us-futures-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.
What the actions change
x-apievangelist-phrasing
Targets 9
$.info
$.paths['/futures/v1/contracts'].get
$.paths['/futures/v1/exchanges'].get
$.paths['/futures/v1/market-status'].get
$.paths['/futures/v1/products'].get
$.paths['/futures/v1/quotes/{ticker}'].get
$.paths['/futures/v1/schedules'].get
$.paths['/futures/v1/snapshot'].get
$.paths['/futures/v1/trades/{ticker}'].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 Us Futures API
version: 1.0.0
extends: openapi/massive-com-us-futures-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: 8
- target: $.paths['/futures/v1/contracts'].get
update:
x-apievangelist-phrasing:
intent: Look up futures contracts and specifications
effect: read
questions:
- Which futures contracts are listed for a product code?
- When is the last trade date for a futures contract?
- Can I list only active futures contracts?
instructions:
- text: List futures contracts for product code {product_code}.
slots:
product_code: query.product_code
- text: Get contract specifications for futures ticker {ticker}.
slots:
ticker: query.ticker
- text: Show contracts whose last trade date is before {last_trade_date_lt}.
slots:
last_trade_date_lt: query.last_trade_date.lt
method: generated
generated: '2026-09-26'
- target: $.paths['/futures/v1/exchanges'].get
update:
x-apievangelist-phrasing:
intent: List US futures exchanges
effect: read
questions:
- Which US derivatives exchanges trade futures?
- Is a particular commodity futures exchange covered?
instructions:
- text: List US futures exchanges.
- text: Show the first {limit} futures trading venues.
slots:
limit: query.limit
method: generated
generated: '2026-09-26'
- target: $.paths['/futures/v1/market-status'].get
update:
x-apievangelist-phrasing:
intent: Check whether a futures product is trading
effect: read
questions:
- Is a futures product open, paused or closed right now?
- What is the live trading status of a futures market?
instructions:
- text: Get the market status for futures product {product_code}.
slots:
product_code: query.product_code
- text: Check whether futures products {product_code_any_of} are open.
slots:
product_code_any_of: query.product_code.any_of
method: generated
generated: '2026-09-26'
- target: $.paths['/futures/v1/products'].get
update:
x-apievangelist-phrasing:
intent: Browse futures products and specifications
effect: read
questions:
- What futures products are available in a given sector?
- Can I list futures products by asset class?
instructions:
- text: Get the futures product {product_code}.
slots:
product_code: query.product_code
- text: List futures products in sector {sector}.
slots:
sector: query.sector
- text: Find futures products named {name}.
slots:
name: query.name
method: generated
generated: '2026-09-26'
- target: $.paths['/futures/v1/quotes/{ticker}'].get
update:
x-apievangelist-phrasing:
intent: Get bid and offer quotes for a futures contract
effect: read
questions:
- What were the best bid and offer quotes for a futures contract today?
- Can I get futures quotes for a particular trading session?
instructions:
- text: Get quotes for futures contract {ticker}.
slots:
ticker: path.ticker
- text: Show {ticker} quotes for the session ending {session_end_date}.
slots:
ticker: path.ticker
session_end_date: query.session_end_date
method: generated
generated: '2026-09-26'
- target: $.paths['/futures/v1/schedules'].get
update:
x-apievangelist-phrasing:
intent: Get futures trading session schedules
effect: read
questions:
- What are the trading hours and breaks for a futures product?
- Are futures session times adjusted for an upcoming holiday?
instructions:
- text: Get trading schedules for futures product {product_code}.
slots:
product_code: query.product_code
- text: Show futures schedules for session end date {session_end_date}.
slots:
session_end_date: query.session_end_date
method: generated
generated: '2026-09-26'
- target: $.paths['/futures/v1/snapshot'].get
update:
x-apievangelist-phrasing:
intent: Snapshot the latest futures contract data
effect: read
questions:
- What's the latest price data for a futures contract?
- Can I snapshot every contract under a futures product?
instructions:
- text: Get a snapshot for futures contract {ticker}.
slots:
ticker: query.ticker
- text: Snapshot all contracts for product {product_code}.
slots:
product_code: query.product_code
method: generated
generated: '2026-09-26'
- target: $.paths['/futures/v1/trades/{ticker}'].get
update:
x-apievangelist-phrasing:
intent: Get tick-level trades for a futures contract
effect: read
questions:
- What trades executed in a futures contract over a time range?
- Can I pull every futures trade for one trading session?
instructions:
- text: Get trades for futures contract {ticker}.
slots:
ticker: path.ticker
- text: List {ticker} trades since {timestamp_gte}.
slots:
ticker: path.ticker
timestamp_gte: query.timestamp.gte
method: generated
generated: '2026-09-26'
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