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OpenAPI Specification

openapi: 3.2.0
info:
  title: Cloud9trader Currency API
  version: '2026-10-09'
  description: 'GENERATED FROM DOCUMENTATION by API Evangelist on 2026-10-09: 3 operation(s) read from 1 public documentation page(s) (each operation names its page in x-source). This is not the provider''s published contract; Cloud9trader has published no machine-readable contract that the pipeline could find. Engine: local.'
  x-evidence-tiers:
    code-example: 1
    documentation: 2
    pages-with-code: 1
    pages-read: 1
  x-generated-from: documentation
  x-provenance: generated
  x-authored-by: API Evangelist
  x-generated: '2026-10-09'
  x-generator: generate-contract-from-docs.py
  x-engine: local
  x-sources:
  - https://www.cloud9trader.com/documentation/cloud9trader-api/rest-api
servers:
- url: https://api.cloud9trader.com
tags:
- name: Currency
paths:
  /v1/currency/BTC:
    get:
      operationId: get_v1_currency_BTC
      tags:
      - Currency
      summary: GET /v1/currency/BTC
      x-source: https://www.cloud9trader.com/documentation/cloud9trader-api/rest-api
      parameters:
      - name: quote
        in: query
        required: false
        schema:
          type: string
      responses:
        '200':
          description: Success (shape read from the example response on the page)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetV1CurrencyBtcResponse'
      x-evidence:
        kind: code-example
        language: curl
        snippet: "curl -H \"x-c9t-key: acb383affb802a95\" -G \"https://api.cloud9trader.com/v1/currency/BTC?quote=USD,EUR,ETH\" Response Example: {\n \"currency\": \"BTC\",\n \"name\": \"Bitcoin\",\n \"maxSupply\": 21000000,\n \"circulatingSupply\": 18283137,\n \"totalSupply\": 18283137,\n \"updated\": \"2020-03-23T14:00:00.000Z\",\n \"quotes\": {\n \"USD\": {\n \"price\": 6159.73622,\n \"percentChange24h\": 1.593,\n \"updated\": \"2020-03-23T13:59:59.874Z\"\n"
  /v1/currency/BTC/historical:
    get:
      operationId: get_v1_currency_BTC_historical
      tags:
      - Currency
      summary: Returns OHLC bars for historical currency exchange rates for BTC
      x-source: https://www.cloud9trader.com/documentation/cloud9trader-api/rest-api
      parameters:
      - name: interval
        in: query
        required: true
        schema:
          type: string
        description: Bar interval, e.g. "M1".
      - name: start
        in: query
        required: true
        schema:
          type: string
        description: Range start in ISO 8601 format.
      - name: end
        in: query
        required: false
        schema:
          type: string
        description: Range end in ISO 8601 format.
      responses:
        '200':
          description: Success (status as documented)
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GetV1CurrencyBtcHistoricalResponse'
      x-evidence:
        kind: documentation
components:
  schemas:
    GetV1CurrencyBtcHistoricalResponse:
      type: object
      properties:
        time:
          type: string
          description: Bar timestamp.
        open:
          type: number
          description: Open price.
        high:
          type: number
          description: High price.
        low:
          type: number
          description: Low price.
        close:
          type: number
          description: Close price.
    GetV1CurrencyBtcResponse:
      type: object
      properties:
        currency:
          type: string
        name:
          type: string
        maxSupply:
          type: integer
        circulatingSupply:
          type: integer
        totalSupply:
          type: integer
        updated:
          type: string
          format: date-time
        quotes:
          type: object
          properties:
            USD:
              type: object
              properties:
                price:
                  type: number
                percentChange24h:
                  type: number
                updated:
                  type: string
                  format: date-time
            EUR:
              type: object
              properties:
                price:
                  type: number
                percentChange24h:
                  type: number
                updated:
                  type: string
                  format: date-time
            ETH:
              type: object
              properties:
                price:
                  type: number
                percentChange24h:
                  type: number
                updated:
                  type: string
                  format: date-time