Massive (formerly Polygon.io) · OpenAPI Overlay 1.0.0

API Evangelist conversational phrasing for Massive Com Fx:conversion API

2 actions 2 updates phrasing extends openapi/massive-com-fx-conversion-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/conversion/{from}/{to}'].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 Fx:conversion API
  version: 1.0.0
extends: openapi/massive-com-fx-conversion-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/conversion/{from}/{to}'].get
  update:
    x-apievangelist-phrasing:
      intent: Convert an amount between two currencies
      effect: read
      questions:
      - How many Canadian dollars is 100 US dollars right now?
      - Can I convert currencies in either direction at the latest market rate?
      - Can I control the decimal precision of a currency conversion?
      instructions:
      - text: Convert {amount} {from} to {to}.
        slots:
          amount: query.amount
          to: path.to
          from: path.from
      - text: Get the live conversion rate from {from} to {to}.
        slots:
          to: path.to
          from: path.from
      - text: Convert {amount} {from} into {to} rounded to {precision} decimals.
        slots:
          amount: query.amount
          to: path.to
          precision: query.precision
          from: path.from
      method: generated
      generated: '2026-09-26'