openapi: 3.1.0
paths:
  /users:
    post:
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                email:
                  type: string
                  pattern: '^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
                  description: Email address
                country:
                  type: string
                  pattern: '^[A-Z]{2}$'
                  description: ISO 3166-1 alpha-2 country code
                currency:
                  type: string
                  enum: [ AED, AFN, ALL, AMD, ANG, AOA, ARS, AUD, AWG, AZN, BAM, BBD, BDT,
                          BGN, BHD, BIF, BMD, BND, BOB, BRL, BSD, BTN, BWP, BYN, BZD, CAD,
                          CDF, CHF, CLP, CNY, COP, CRC, CUP, CVE, CZK, DJF, DKK, DOP, DZD,
                          EGP, ERN, ETB, EUR, FJD, FKP, FOK, GBP, GEL, GGP, GHS, GIP, GMD,
                          GNF, GTQ, GYD, HKD, HNL, HRK, HTG, HUF, IDR, ILS, IMP, INR, IQD,
                          IRR, ISK, JEP, JMD, JOD, JPY, KES, KGS, KHR, KID, KMF, KRW, KWD,
                          KYD, KZT, LAK, LBP, LKR, LRD, LSL ]
                  description: ISO 4217 currency code
                website:
                  type: string
                  pattern: '^https'
                  description: Website URL
                created_at:
                  type: string
                  pattern: '^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z?$'
                  description: ISO 8601 datetime
                language:
                  type: string
                  pattern: '^[a-z]{2}(-[A-Z]{2})?$'
                  description: Language code

openapi: 3.1.0
paths:
  /users:
    post:
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                email:
                  $ref: './std/ietf/email/address.json'
                country:
                  $ref: './std/iso/country/2020/alpha-2.json'
                currency:
                  $ref: './std/iso/currency/2015/alpha-code.json'
                website:
                  $ref: './std/ietf/uri/url.json'
                created_at:
                  $ref: './std/iso/datetime/2019/datetime/calendar-extended.json'
                language:
                  $ref: './std/ietf/language/tag.json'