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OpenAPI Specification

openapi: 3.2.0
info:
  title: Fantasize cruise finder Check Price API
  version: 1.0.0
  description: Every sailing of 23 cruise lines, priced every night, with whether each fare is low, typical or high against its own usual price, and a link to book it. Free, no key. Also an MCP server at https://fantasize.net/mcp.
servers:
- url: https://fantasize.net
tags:
- name: Check Price
paths:
  /api/v1/check_price:
    get:
      operationId: check_price
      summary: Is this cruise price good?
      description: 'Judge a price someone was quoted or already paid for one sailing: whether it is low, typical or high against that sailing''s usual price for the cabin, today''s listed fare beside it, the lowest fare read in 120 days, a plain one-paragraph answer to quote, and watch_url where the person can be emailed if the fare drops below their price. Name the sailing by sailing_id, a fantasize.net /cruise/ link, or ship plus depart_date.'
      parameters:
      - name: price
        in: query
        required: true
        description: The quoted or paid fare in USD, per person for the whole cruise, taxes and port fees in
        schema:
          type: number
      - name: price_is_for_two
        in: query
        required: false
        description: true if price is the total for a cabin of two
        schema:
          type: boolean
      - name: cabin
        in: query
        required: false
        description: Cabin grade to price. Omit to quote balcony where sold, else the next grade.
        schema:
          type: string
          enum:
          - inside
          - oceanview
          - balcony
          - suite
      - name: sailing_id
        in: query
        required: false
        description: A Fantasize sailing id
        schema:
          type: string
      - name: url
        in: query
        required: false
        description: Or a fantasize.net /cruise/ link, or a Cruisebound sailing link
        schema:
          type: string
      - name: ship
        in: query
        required: false
        description: Or the ship name ("Celebrity Beyond") with depart_date
        schema:
          type: string
      - name: depart_date
        in: query
        required: false
        description: Departure date YYYY-MM-DD (with ship)
        schema:
          type: string
      responses:
        '200':
          description: JSON answer; every result carries book_url
        '400':
          description: A value we could not read; the message says which
        '429':
          description: Rate limited
      tags:
      - Check Price