DTN Option Series API

openapi: 3.2.0
info:
  title: PXWeb Market Data Option Series API
  description: "ProphetX Web services, in short __PXWeb__, provides the facility to access real time quotes and historical market information \nfrom a JSON and REST based web service.\n\nPXWeb end points are divided into four categories: Quotes, History, Information, and Option Series.  Requests in the quotes category\nare for getting the most recent prices on a symbol.  History is for requesting prices from specific time periods in the past and supports \ndaily, minute, and tick history.  Information contains a request for searching for symbols based on text strings and a request for \nquerying the market hours of a symbol.  The option series category contains on request for getting quotes on many futures options\nbased on an option root and an expiration."
  version: 1.0.2
servers:
- description: Production (PROD)
  url: https://pxweb.dtn.com
- description: Customer Acceptance Testing (CAT)
  url: https://pxwebcat.dtn.com
- description: QA Testing (PRE)
  url: https://prx-ws-pre.dtn.com
- description: Development (DEV)
  url: https://prx-app1-dev.dtn.com
tags:
- name: Option Series
paths:
  /market_data/options/series:
    get:
      tags:
      - Option Series
      summary: Get a list of futures option prices
      description: "Retrieve a list of options available for an option prefix (option root and maturity).  The operation will also query data for the underlying of the specified option root. The option data will also include the StrikeLevel fid which indicates if the option is currently at the money, in the money, or out of the money. At the money means the strike is the closest one to the current underlying price. In the money means either a Call with a strike below the underlying price or a Put with a strike above the underlying. Out of the money means either a Call with a strike above the underlying price or a Put with a strike below the underlying price. By default all options matching the prefix will be returned. The limit parameter can be used to get fewer results. If limit is specified the operation returns the specified limit number of options above and below the at the money strike price.\n\n\n**Note: The Dev Portal 'Try' feature does not currently work for the Market Data API.  To try the API, please see this site: https://pxweb.dtn.com/PXWebDoc/OAS/index.html or use the attached Postman collection.  Contact DTN here: https://www.dtn.com/contact-us/ for a trial account.**  \n"
      operationId: getOptionSeries
      parameters:
      - $ref: '#/components/parameters/optionPrefixParam'
      - $ref: '#/components/parameters/fieldsParam'
      - $ref: '#/components/parameters/fieldGroupParam'
      - $ref: '#/components/parameters/strikeLimitParam'
      responses:
        '200':
          description: The request was successful.
          content:
            application/json:
              schema:
                type: object
                properties:
                  meta:
                    $ref: '#/components/schemas/Meta'
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/OptionSeries'
        5XX:
          description: An internal server error has occurred.  Sending the error response to support will help with troubleshooting.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
components:
  schemas:
    MarketDepth:
      description: If available for the symbol, market depth is returned as two arrays.  One for bids, and the other for asks.  Bids are sorted from highest price to lowest, and asks are sroted lowest price to highest.
      properties:
        askLevels:
          items:
            $ref: '#/components/schemas/MarketDepthQuote'
          type: array
        bidLevels:
          items:
            $ref: '#/components/schemas/MarketDepthQuote'
          type: array
      type: object
    Meta:
      type: object
      properties:
        timestamp:
          type: string
          format: date-time
        count:
          type: number
          description: Number of symbols returned by request
        dataSrc:
          type: string
          description: A value used by DTN support for troublshooting any issues
        duration:
          type: string
          description: The duration of time DTN servers spent processing the request.  Does not include internet transit time.
        userId:
          type: string
          description: The user that made the request.
        operation:
          type: string
          description: The name of the operation called
        pageToken:
          type: string
          description: A page token returned from a previous request. It is used to resume a request that matched more symbols than the Limit allowed in one request.
    Greeks:
      type: object
      description: An object to hold futures options price sensitivity values known as greeks.  Only returned by /quotes/greeks
      properties:
        delta:
          description: Price sensitivity of an option to the price of the underlying.
          format: double
          type: number
        gamma:
          description: Price sensitivity of an option to changes in the price of the underlying.
          format: double
          type: number
        theta:
          description: Price sensitivity of an option to the time to expiration.
          format: double
          type: number
        vega:
          description: Price sensitivity of an option to changes in volatility.
          format: double
          type: number
        underlyingPrice:
          description: Price of an option's underlying.
          $ref: '#/components/schemas/Price'
        interestRate:
          description: Interest rate used in option calculations.
          format: double
          type: number
        impliedVolatility:
          description: Implied volatility used in option calculations.
          format: double
          type: number
    MarketDepthQuote:
      properties:
        size:
          format: int64
          type: integer
        value:
          $ref: '#/components/schemas/Price'
      type: object
    OptionSeries:
      type: object
      properties:
        optionPrefix:
          type: string
          description: A prefix is a combination of an option root and a maturity.
        underlying:
          $ref: '#/components/schemas/Quote'
        strikeList:
          type: array
          items:
            $ref: '#/components/schemas/OptionStrike'
    Price:
      type: string
      description: Prices are represented as strings to prevent float rounding problems
      examples:
      - '123.25'
    Symbol:
      required:
      - status
      - marketName
      - tickerSymbol
      - vendor
      type: object
      properties:
        status:
          type: number
          description: Indicate if this symbol/pattern was successfully queried.  OK=0, 1=Not Found, 2=Not perm
        marketName:
          type: string
          description: Market symbol belongs too.
          examples:
          - CBOT
        requestedSymbol:
          type: string
          description: The symbol or pattern requested.
          examples:
          - '@C`##'
        tickerSymbol:
          type: string
          description: "The official current ticker symbol.  This might be different than the requested symbol if  the requested symbol was a search pattern or alias. \n"
          examples:
          - '@CU18'
        vendor:
          type: string
          description: Vendor for symbol.
          examples:
          - DTN
      description: Symbol identifier and request status.
    Error:
      type: object
      properties:
        meta:
          type: object
          properties:
            type:
              type: string
              description: A more detailed or finer grained type declaration. In some cases could be a 'class' to assist with automated Exception throwing.
            eventId:
              type: string
              description: A UUID that represents this unique request.  This can be used to help troubleshoot errors.
            dateTime:
              type: string
              format: date-time
              description: Repeat of optional dateTime from the messages section.
        messages:
          type: array
          items:
            type: object
            properties:
              type:
                type: string
                description: The error type.  These can vary and have a general definition of the potential problem.  Some potential values are ERROR, NotFound, InvalidParameters, NotAuthorized.
                examples:
                - NotAuthorized
              id:
                type: string
                description: An identifier for the error.  This can represent a unique identifier for the error that occurred, but in many cases a unique number does not exist and it might simply be a 500.  Some API's will make better use of this value and it will be used to help track down particular problems.
                examples:
                - '401'
              status:
                type: integer
                format: int32
                description: Deprecated - this represents the HTTP Status code, but should not be used or relied upon.  Future version will remove this.
                examples:
                - 401
              message:
                type: string
                description: A concise description for the error.  In some cases the description may provide means to resolve the problem.
                examples:
                - Unauthorized access to service.
    OptionStrike:
      type: object
      properties:
        strikePrice:
          type: string
        call:
          $ref: '#/components/schemas/Quote'
        put:
          $ref: '#/components/schemas/Quote'
    Quote:
      properties:
        accruedInterest:
          description: The interest that has accumulated since the principal investment
          format: double
          type: number
          x-dtn-fid-number: 357
        actualSymbol:
          description: The actual traded symbol behind an alias symbol
          type: string
          x-dtn-fid-number: 194
        annualized7DayYield:
          description: The annualized value from a Money Market fund over the last seven days
          format: double
          type: number
          x-dtn-fid-number: 359
        anualDividendRate:
          description: An indicator of per-share or aggregate dividends paid to stockholders over the course of one year
          format: double
          type: number
          x-dtn-fid-number: 147
        apiGravity:
          format: double
          type: number
          x-dtn-fid-number: 616
        area:
          description: Area
          type: string
          x-dtn-fid-number: 3575
        ask:
          description: Current Best Ask Price
          type: string
          x-dtn-fid-number: 10
        askDateTime:
          description: Date and Time of last Ask
          format: date-time
          type: string
          x-dtn-fid-number: 33
        askSize:
          description: Number of shares or contracts being offered at the asking price
          format: int64
          type: integer
          x-dtn-fid-number: 13
        assets:
          description: The total current assets held by a company
          format: double
          type: number
          x-dtn-fid-number: 242
        avMatrty:
          description: The weighted average of the time until all maturities on mortgages in a mortgage-backed security
          format: double
          type: number
          x-dtn-fid-number: 244
        averageLifeDays:
          description: Weighted average life in days
          format: int32
          type: integer
          x-dtn-fid-number: 364
        averageVolume:
          description: The number of shares traded per day, averaged over some time period, usually 4 weeks
          format: int64
          type: integer
          x-dtn-fid-number: 127
        basis:
          description: Basis
          format: double
          type: number
          x-dtn-fid-number: 3576
        basisFix:
          description: Basis Fix
          type: string
          x-dtn-fid-number: 3577
        basisSymbol:
          description: The underlying future contract the basis is calculated or quoted from
          type: string
          x-dtn-fid-number: 30887
        bateDateTime:
          description: Date and Time of last Bid Ask Trade or Exception
          format: date-time
          type: string
          x-dtn-fid-number: 35
        bates:
          type: string
          x-dtn-fid-number: 617
        beginningNAV:
          description: Previous month-end net asset value
          format: double
          type: number
          x-dtn-fid-number: 358
        beta:
          description: Beta - the sensitivity of the instrument based on index returns.
          format: double
          type: number
          x-dtn-fid-number: 249
        bid:
          description: Current Best Bid Price
          type: string
          x-dtn-fid-number: 9
        bidDateTime:
          description: Date and Time of last Bid
          format: date-time
          type: string
          x-dtn-fid-number: 32
        bidSize:
          description: Number of shares or contracts being offered at the bid price
          format: int64
          type: integer
          x-dtn-fid-number: 12
        branded:
          description: B = Branded, U = Unbranded, anything else is undefined
          type: string
          x-dtn-fid-number: 16038
        calendarCode:
          type: string
          x-dtn-fid-number: 618
        callPutFlag:
          description: Indicates whether option is a call or a put - empty=Not an option, C=Call, P=Put
          type: string
          x-dtn-fid-number: 70
        callRoot:
          description: Option Root for calls
          type: string
          x-dtn-fid-number: 270
        calldate:
          description: The date on which a bond may be redeemed before maturity
          format: date
          type: string
          x-dtn-fid-number: 365
        cash:
          description: Cash on hand and demand deposits
          format: double
          type: number
          x-dtn-fid-number: 198
        cashPerShare:
          description: Cash per shares outstanding ratio
          format: double
          type: number
          x-dtn-fid-number: 199
        category:
          description: Category
          type: string
          x-dtn-fid-number: 3504
        change:
          description: Change in price between previous day's CLOSE price and today's LAST price
          type: string
          x-dtn-fid-number: 26
        city:
          description: Name of nearest City or Place for reporting location
          type: string
          x-dtn-fid-number: 386
        close:
          description: Close Price
          type: string
          x-dtn-fid-number: 14
        closeStock:
          description: Closing Metal Stock
          format: int32
          type: integer
          x-dtn-fid-number: 267
        commodity:
          description: The Root Symbol of the Underlying commodity, or the Name of the underlying commodity.
          type: string
          x-dtn-fid-number: 313
        commodityGrade:
          type: string
          x-dtn-fid-number: 619
        commonConversionFactor:
          format: double
          type: number
          x-dtn-fid-number: 620
        commonConversionFunction:
          type: string
          x-dtn-fid-number: 621
        commonConversionTargetUnitofMeasure:
          type: string
          x-dtn-fid-number: 622
        contractDate:
          description: Date the contract is due.
          format: date
          type: string
          x-dtn-fid-number: 193
        contractHigh:
          description: Contract High
          type: string
          x-dtn-fid-number: 236
        contractHighDate:
          description: Date on which the contract was the highest
          format: date
          type: string
          x-dtn-fid-number: 354
        contractLow:
          description: Contract Low
          type: string
          x-dtn-fid-number: 237
        contractLowDate:
          description: Date on which the contract was the lowest
          format: date
          type: string
          x-dtn-fid-number: 355
        contractType:
          type: string
          x-dtn-fid-number: 623
        contrib:
          description: Contributor Name or Code for latest trade/bid/ask
          type: string
          x-dtn-fid-number: 56
        country:
          description: Two or Three character Country Code
          type: string
          x-dtn-fid-number: 384
        couponRate:
          description: The interest rate assigned to a bond when it is issued.
          format: double
          type: number
          x-dtn-fid-number: 51
        cropDataType:
          description: Crop data type
          type: string
          x-dtn-fid-number: 3500
        cumVolume:
          description: Cumulative Volume since mkt open
          format: int64
          type: integer
          x-dtn-fid-number: 19
        currency:
          description: Currency
          type: string
          x-dtn-fid-number: 30570
        currencyCode:
          description: Represents the International Standard Foreign Currency ISO 4217 code in which the transaction was executed
          type: string
          x-dtn-fid-number: 124
        currentYield:
          description: The yield of the bond at the current moment
          format: double
          type: number
          x-dtn-fid-number: 288
        curveCode:
          type: string
          x-dtn-fid-number: 654
        curveName:
          type: string
          x-dtn-fid-number: 655
        dateRange:
          description: Date Range
          type: string
          x-dtn-fid-number: 3579
        daysToExpiration:
          description: Number of days until expiration
          format: int32
          type: integer
          x-dtn-fid-number: 61
        deliveryDate:
          description: The last date that users will complete delivery
          format: date
          type: string
          x-dtn-fid-number: 3523
        deliveryMethod:
          type: string
          x-dtn-fid-number: 624
        deliveryRegion:
          type: string
          x-dtn-fid-number: 625
        deliveryRegionBasis:
          type: string
          x-dtn-fid-number: 626
        deliveryType:
          description: DTN grain bid delivery timeframe (spot or new crop)
          type: string
          x-dtn-fid-number: 30568
        density:
          format: double
          type: number
          x-dtn-fid-number: 627
        derivativeMaturityFrequency:
          type: string
          x-dtn-fid-number: 628
        derivativePosition:
          format: int32
          type: integer
          x-dtn-fid-number: 629
        description:
          description: Issue Description
          type: string
          x-dtn-fid-number: 79
        dilutedEPS:
          description: A performance metric used to gauge the quality of a company's earnings per share if all convertible securities were exercised (Trailing 12 months worth)
          format: double
          type: number
          x-dtn-fid-number: 161
        dilutedEPS3YrGrowthRate:
          description: Diluted EPS 3 Year Growth Rate
          format: double
          type: number
          x-dtn-fid-number: 165
        dilutedEPS5YrGrowthRate:
          description: Diluted EPS 5 Year Growth Rate
          format: double
          type: number
          x-dtn-fid-number: 166
        dispatchCode:
          description: Platt's 2 character Dispatch Category Code
          type: string
          x-dtn-fid-number: 268
        divExDate:
          description: Date on which ex-dividend will trade
          format: date
          type: string
          x-dtn-fid-number: 48
        dividend:
          description: Latest dividend amount
          format: double
          type: number
          x-dtn-fid-number: 46
        earliestLayday:
          format: int32
          type: integer
          x-dtn-fid-number: 630
        effectiveDate:
          description: Effective Date of the current reported price.
          format: date
          type: string
          x-dtn-fid-number: 16036
        effectiveTime:
          description: Effective Time of the current reported price.
          format: int32
          type: integer
          x-dtn-fid-number: 16049
        elevation:
          description: Elevation in Feet
          format: int32
          type: integer
          x-dtn-fid-number: 391
        elevatorCity:
          description: The city the elevator is in
          type: string
          x-dtn-fid-number: 30882
        elevatorCounty:
          description: The county the elevator is in
          type: string
          x-dtn-fid-number: 30881
        elevatorDistance:
          description: The distance from the elevator to Halifax, NS
          format: int32
          type: integer
          x-dtn-fid-number: 30886
        elevatorId:
          description: Unique identifier for a grain elevator location
          format: int32
          type: integer
          x-dtn-fid-number: 30878
        elevatorLatitude:
          description: The floating point latitude for the elevator's location
          format: double
          type: number
          x-dtn-fid-number: 30884
        elevatorLongitude:
          description: The floating point longitude for the elevator's location
          format: double
          type: number
          x-dtn-fid-number: 30885
        elevatorName:
          description: The name of the elevator
          type: string
          x-dtn-fid-number: 30879
        elevatorState:
          description: The state the elevator is in (can also be a Canadian Province or Territory)
          type: string
          x-dtn-fid-number: 30880
        elevatorZip:
          description: The zip code the elevator is located in
          type: string
          x-dtn-fid-number: 30883
        estLongTermReturn:
          description: Estimated return over the life of the portfolio, calculated according to formulas proposed by the Securities and Exchange Commission (SEC)
          format: double
          type: number
          x-dtn-fid-number: 289
        evaluationDate:
          description: Evaluation Date
          format: date
          type: string
          x-dtn-fid-number: 3553
        evaluationPrice:
          description: Evaluation Price
          type: string
          x-dtn-fid-number: 3552
        evaluationTime:
          description: Evaluation Time
          format: int32
          type: integer
          x-dtn-fid-number: 3554
        exchMidPrice:
          description: Mid price from the exchange
          type: string
          x-dtn-fid-number: 3525
        exchMidPriceDate:
          description: Mid price date from the exchange
          format: date
          type: string
          x-dtn-fid-number: 3526
        exchMidPriceTime:
          description: Mid price time from the exchange
          format: int32
          type: integer
          x-dtn-fid-number: 3527
        exchangeName:
          type: string
          x-dtn-fid-number: 631
        exchangePartner:
          description: Exchange Partner
          type: string
          x-dtn-fid-number: 16041
        exercisePrice:
          description: Option Exercise Strike Price
          format: double
          type: number
          x-dtn-fid-number: 170
        expirationDate:
          description: Date instrument expires
          format: date
          type: string
          x-dtn-fid-number: 171
        extendedLast:
          description: Extended Last
          type: string
          x-dtn-fid-number: 367
        figi:
          description: Financial Instrument Global Identifier
          type: string
          x-dtn-fid-number: 49
        fipsCode:
          description: The Federal Information Processing Standard Code for the county
          format: int32
          type: integer
          x-dtn-fid-number: 30888
        first:
          description: Price of First Trade of the Trading Day
          type: string
          x-dtn-fid-number: 76
        firstActivity:
          description: Date of first activity
          format: date
          type: string
          x-dtn-fid-number: 3517
        firstDeliveryDate:
          description: The first date that users will complete delivery
          format: date
          type: string
          x-dtn-fid-number: 3524
        firstHoldingDate:
          description: The date when the exchange will begin accepting position dates, where applicable, for deliverable contracts
          format: date
          type: string
          x-dtn-fid-number: 3587
        firstNoticeDate:
          description: The first date that users will get notified that they have been assigned a delivery
          format: date
          type: string
          x-dtn-fid-number: 3581
        firstPositionDate:
          description: The first date on which the exchange will accept intents and run assignments for deliverable contracts
          format: date
          type: string
          x-dtn-fid-number: 3585
        firstTradeDate:
          description: The date on which the contract will start trading
          format: date
          type: string
          x-dtn-fid-number: 3583
        fiscalYearEnd:
          description: The completion of a one-year, or 12-month, accounting period
          format: date
          type: string
          x-dtn-fid-number: 163
        flashPoint:
          format: double
          type: number
          x-dtn-fid-number: 632
        floorAsk:
          description: Floor ask price
          type: string
          x-dtn-fid-number: 3531
        floorAskDate:
          description: Floor ask date
          format: date
          type: string
          x-dtn-fid-number: 3532
        floorAskTime:
          description: Floor ask time
          format: int32
          type: integer
          x-dtn-fid-number: 3533
        floorBid:
          description: Floor bid price
          type: string
          x-dtn-fid-number: 3528
        floorBidDate:
          description: Floor bid date
          format: date
          type: string
          x-dtn-fid-number: 3529
        floorBidTime:
          description: Floor bid time
          format: int32
          type: integer
          x-dtn-fid-number: 3530
        footnotes:
          description: Footnote codes associated with a Mutual or MoneyMarket fund
          type: string
          x-dtn-fid-number: 277
        fraction:
          description: Fraction that integer prices are stored with
          format: int32
          type: integer
          x-dtn-fid-number: 177
        freezePoint:
          format: double
          type: number
          x-dtn-fid-number: 633
        fundCode:
          description: Subcategory of a Mutual or MoneyMarket fund
          type: string
          x-dtn-fid-number: 276
        gasVolumeWgtdAvg:
          description: Gas volume weighted average
          type: string
          x-dtn-fid-number: 3513
        greeks:
          $ref: '#/components/schemas/Greeks'
        gross7DayYield:
          description: The yield on an investment before the deduction of taxes and expenses
          format: double
          type: number
          x-dtn-fid-number: 360
        grossNetIndicator:
          description: Gross, Net, Spot anything else is undefined
          type: string
          x-dtn-fid-number: 16045
        heatRate:
          description: Heat rate
          format: double
          type: number
          x-dtn-fid-number: 3515
        high:
          description: High Price
          type: string
          x-dtn-fid-number: 4
        inactive:
          description: Inactive
          format: int32
          type: integer
          x-dtn-fid-number: 3509
        incoterm:
          description: International Commercial Terms code
          type: string
          x-dtn-fid-number: 3573
        indicativeOpen:
          description: Most recent pre-market indicative trade price
          type: string
          x-dtn-fid-number: 395
        inputType:
          description: For grainbid data, this is the data input type into the DTN grainbid system. 1=Basis, 2=Cash.  For cash input, basis may be estimated.
          format: int32
          type: integer
          x-dtn-fid-number: 30572
        kinematicViscosity:
          format: double
          type: number
          x-dtn-fid-number: 634
        last:
          description: Last Price
          type: string
          x-dtn-fid-number: 1
        lastADate:
          description: Last reported annual date
          format: date
          type: string
          x-dtn-fid-number: 143
        lastBidAsk:
          description: Most recent Last Bid or Ask
          type: string
          x-dtn-fid-number: 37
        lastHoldingDate:
          description: The date when the exchange will no longer require position dates, where applicable, for deliverable contracts
          format: date
          type: string
          x-dtn-fid-number: 3588
        lastMove:
          description: This is the change value since the last update (not the change since the previous day's close)
          format: double
          type: number
          x-dtn-fid-number: 16046
        lastMoveDate:
          description: The date that the price last changed.
          format: date
          type: string
          x-dtn-fid-number: 16047
        lastMoveTime:
          description: The time that the price last changed.
          format: int32
          type: integer
          x-dtn-fid-number: 16048
        lastNoticeDate:
          description: The last date that users will get notified that they have been assigned a delivery
          format: date
          type: string
          x-dtn-fid-number: 3582
        lastPositionDate:
          description: The last date on which the exchange will accept intents and run assignments for deliverable contracts
          format: date
          type: string
          x-dtn-fid-number: 3586
        lastQDate:
          description: Last reported quarterly date
          format: date
          type: string
          x-dtn-fid-number: 144
        lastSplitDate:
          description: The date on which the last stock split occurred
          format: date
          type: string
          x-dtn-fid-number: 167
        lastSplitFactor:
          description: 'The dividing factor when stocks are split. Ex: 0.5 = 2 shares for every current share.'
          format: double
          type: number
          x-dtn-fid-number: 168
        lastTradeDate:
          description: The date on which the contract will cease trading
          format: date
          type: string
          x-dtn-fid-number: 3584
        lastVolume:
          description: Last (incremental) Volume
          format: int64
          type: integer
          x-dtn-fid-number: 11
        latest:
          description: Latest known price. Most recent of Last Bid Ask Open Close Previous
          type: string
          x-dtn-fid-number: 60
        latest12MoEPS:
          description: Latest 12 month earnings per share
          format: double
          type: number
          x-dtn-fid-number: 162
        latestDate:
          format: date-time
          type: string
          x-dtn-fid-number: 635
        latestDivDeclaredDate:
          description: Date on which the most recent dividend was declared
          format: date
          type: string
          x-dtn-fid-number: 148
        latestDivPayDate:
          description: Day on which dividend is paid
          format: date
          type: string
          x-dtn-fid-number: 150
        latestDivRecordDate:
          description: The date established by an issuer of a security for the purpose of determining the holders who are entitled to receive a dividend or distribution
          format: date
          type: string
          x-dtn-fid-number: 149
        latestLayday:
          format: int32
          type: integer
          x-dtn-fid-number: 636
        latitude:
          description: Latitude in Degrees
          format: double
          type: number
          x-dtn-fid-number: 389
        lbaChange:
          description: Most recent Last Bid or Ask change from Previous
          type: string
   

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# Full source: https://raw.githubusercontent.com/api-evangelist/dtn/refs/heads/main/openapi/dtn-option-series-api-openapi.yml