Massive (formerly Polygon.io) · OpenAPI Overlay 1.0.0

API Evangelist conversational phrasing for Massive Com Fed API

5 actions 5 updates phrasing extends openapi/massive-com-fed-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['/fed/v1/inflation'].get

$.paths['/fed/v1/inflation-expectations'].get

$.paths['/fed/v1/labor-market'].get

$.paths['/fed/v1/treasury-yields'].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 Fed API
  version: 1.0.0
extends: openapi/massive-com-fed-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['/fed/v1/inflation'].get
  update:
    x-apievangelist-phrasing:
      intent: Get CPI and PCE inflation data
      effect: read
      questions:
      - What is the latest CPI inflation reading?
      - How has PCE inflation changed over the past year?
      instructions:
      - text: Get inflation index values for {date}.
        slots:
          date: query.date
      - text: Show CPI and PCE data since {date_gte}.
        slots:
          date_gte: query.date.gte
      method: generated
      generated: '2026-09-26'
- target: $.paths['/fed/v1/inflation-expectations'].get
  update:
    x-apievangelist-phrasing:
      intent: Get market and model inflation expectations
      effect: read
      questions:
      - What do markets expect inflation to be over the next five or ten years?
      - Are inflation expectations rising or falling across horizons?
      instructions:
      - text: Get inflation expectations as of {date}.
        slots:
          date: query.date
      - text: Show inflation expectation history from {date_gte}.
        slots:
          date_gte: query.date.gte
      method: generated
      generated: '2026-09-26'
- target: $.paths['/fed/v1/labor-market'].get
  update:
    x-apievangelist-phrasing:
      intent: Get labor market indicators
      effect: read
      questions:
      - What's the current US unemployment rate?
      - How have job openings and average hourly earnings moved recently?
      instructions:
      - text: Get labor market indicators for {date}.
        slots:
          date: query.date
      - text: Show unemployment and participation data since {date_gte}.
        slots:
          date_gte: query.date.gte
      method: generated
      generated: '2026-09-26'
- target: $.paths['/fed/v1/treasury-yields'].get
  update:
    x-apievangelist-phrasing:
      intent: Get US Treasury yields by maturity
      effect: read
      questions:
      - What's the 10-year Treasury yield today?
      - Is the yield curve inverted between short and long maturities?
      instructions:
      - text: Get Treasury yields for {date}.
        slots:
          date: query.date
      - text: Show the Treasury yield curve history since {date_gte}.
        slots:
          date_gte: query.date.gte
      method: generated
      generated: '2026-09-26'