Factset Markit Bond Prices and Analytics API

openapi: 3.2.0
info:
  version: 1.0.0
  title: Factset S&P Global Fixed Income Evaluated Prices & Analytics Markit Bond Prices and Analytics API
  contact:
    name: FactSet Research Systems
    email: api@factset.com
    url: https://developer.factset.com/contact
  license:
    name: Apache License, Version 2.0
    url: https://www.apache.org/licenses/LICENSE-2.0
  description: 'Gain access to evaluated pricing and analytics data for Corporate Bonds, Municipal Bonds and Asset Backed Securities provided by S&P Global (formerly IHS Markit) .


    Data returned through multiple endpoints like prices, spread, yield, yield curve, sensitivity, coupon information, securities metadata and details specific to the Asset Backed Securities.

    '
servers:
- url: https://api.factset.com/content
  description: Production
security:
- FactSetApiKey: []
- FactSetOAuth2: []
tags:
- name: Markit Bond Prices and Analytics
paths:
  /markit-bond-prices-and-analytics/v1/prices:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get Bid, Mid and Ask prices for a list of securities
      operationId: getBondPrices
      description: 'Get bond clean and dirty bid, mid and ask pricing data provided by Markit for a specified date range and frequency.

        '
      parameters:
      - $ref: '#/components/parameters/ids'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Bond Pricing items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondPricesResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Request Bid, Mid and Ask prices for a list of securities
      description: 'Get bond clean and dirty bid, mid and ask pricing data provided by Markit for a specified date range and frequency.

        '
      operationId: getBondPricesForList
      requestBody:
        required: true
        description: Request object for requesting pricing data
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bondPricesRequest'
      responses:
        '200':
          description: Bond Prices data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondPricesResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
  /markit-bond-prices-and-analytics/v1/spread:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get the Spread and OAS data for a list of securities
      operationId: getBondSpread
      description: 'Get spread details like discount margin, OAS, Asset Swap Spread, Z Spread, spread benchmark provided by Markit for a specified date range and frequency.

        '
      parameters:
      - $ref: '#/components/parameters/ids'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Bond Spread items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondSpreadResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Request the Spread and OAS data for a list of securities
      description: 'Get spread details like discount margin, OAS, Asset Swap Spread, Z Spread, spread benchmark provided by Markit for a specified date range and frequency.

        '
      operationId: getBondSpreadForList
      requestBody:
        required: true
        description: Request object for requesting pricing data
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bondSpreadRequest'
      responses:
        '200':
          description: Bond Prices data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondSpreadResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
  /markit-bond-prices-and-analytics/v1/yield:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get yield information for given date range and list of securities
      operationId: getBondYield
      description: "Get the yield information like yield to maturity, yield to worst, benchmark yield to maturity and yield to call provided by Markit for a specified date range and frequency. \n"
      parameters:
      - $ref: '#/components/parameters/ids'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Bond Yield items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondYieldResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Request yield information for given date range and list of securities
      description: 'Get the yield information like yield to maturity, yield to worst, benchmark yield to maturity and yield to call provided by Markit for a specified date range and frequency.

        '
      operationId: getBondYieldForList
      requestBody:
        required: true
        description: Request object for requesting yield data
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bondYieldRequest'
      responses:
        '200':
          description: Bond Yield data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondYieldResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
  /markit-bond-prices-and-analytics/v1/issuer-yield-curve:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get yield curve data for given date range and list of securities
      operationId: getBondIssuerYieldCurve
      description: 'Get yield curve data points and dates for 3M, 6M, 1Y, 2Y, 3Y, 4Y, 5Y, 6Y, 7Y, 8Y, 9Y, 10Y, 15Y, 20Y, 25Y, 30Y and 40Y provided by Markit for the specified date range and frequency.

        '
      parameters:
      - $ref: '#/components/parameters/ids'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Bond Issuer Yield Curve items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondIssuerYieldCurveResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Request yield curve data for given date range and list of securities
      description: 'Get yield curve data points and dates for 3M, 6M, 1Y, 2Y, 3Y, 4Y, 5Y, 6Y, 7Y, 8Y, 9Y, 10Y, 15Y, 20Y, 25Y, 30Y and 40Y provided by Markit for the specified date range and frequency.

        '
      operationId: getBondIssuerYieldCurveForList
      requestBody:
        required: true
        description: Request object for requesting issuer yield curve data.
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bondIssuerYieldCurveRequest'
      responses:
        '200':
          description: Bond Issuer Yield Curve data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondIssuerYieldCurveResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
  /markit-bond-prices-and-analytics/v1/sensitivity:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get the bond sensitivity data for a list of securities
      operationId: getBondSensitivity
      description: 'Get the sensitivity information like convexity, effective convexity, effective duration, Macaulay duration and modified duration provided by Markit for the specified date range and frequency.

        '
      parameters:
      - $ref: '#/components/parameters/ids'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Bond Sensitivity items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondSensitivityResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Request the bond sensitivity data for a list of securities
      description: 'Get the sensitivity information like convexity, effective convexity, effective duration, Macaulay duration and modified duration provided by Markit for the specified date range and frequency.

        '
      operationId: getBondSensitivityForList
      requestBody:
        required: true
        description: Request object for requesting sensitivity data
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bondSensitivityRequest'
      responses:
        '200':
          description: Bond Prices data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondSensitivityResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
  /markit-bond-prices-and-analytics/v1/meta:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get bond meta data for a list of securities.
      operationId: getBondMeta
      description: 'Get bond metadata like classification, maturity date, symbology information like isin, cusip, vendorid, ticker, issue and issuer name provided by Markit for a list of securities.

        '
      parameters:
      - $ref: '#/components/parameters/ids'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Bond Meta items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondMetaResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get bond meta data for a list of securities.
      description: 'Get bond metadata like classification, maturity date, symbology information like isin, cusip, vendorid, ticker, issue and issuer name provided by Markit for a list of securities.

        '
      operationId: getBondMetaForList
      requestBody:
        required: true
        description: Request object for requesting meta data
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bondMetaRequest'
      responses:
        '200':
          description: Bond Meta data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondMetaResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
  /markit-bond-prices-and-analytics/v1/abs-details:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get Asset Backed Security Details for a list of securities
      operationId: getABSDetails
      description: 'Get details for Asset Backed Securities like factors, pay up, wal, cdr, cpr and prepay details provided by Markit for the specified date range and frequency.

        '
      parameters:
      - $ref: '#/components/parameters/idsABS'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Asset Bond Security Detail items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/absDetailsResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Request Asset Backed Security Details for a list of securities
      description: 'Get details for Asset Backed Securities like factors, pay up, wal, cdr, cpr and prepay details provided by Markit for the specified date range and frequency.

        '
      operationId: getABSDetailsForList
      requestBody:
        required: true
        description: Request object for requesting ABS details
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/absDetailsRequest'
      responses:
        '200':
          description: Asset Bond Security Detail items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/absDetailsResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
  /markit-bond-prices-and-analytics/v1/coupon:
    get:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Get coupon data for given date range and list of securities
      operationId: getBondCoupon
      description: 'Get coupon information like accrued interest, coupon, coupon type and coupon frequency provided by Markit for specified date range and frequency.

        '
      parameters:
      - $ref: '#/components/parameters/ids'
      - $ref: '#/components/parameters/startDate'
      - $ref: '#/components/parameters/endDate'
      - $ref: '#/components/parameters/frequency'
      - $ref: '#/components/parameters/calendar'
      responses:
        '200':
          description: Bond Coupon items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondCouponResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
    post:
      tags:
      - Markit Bond Prices and Analytics
      summary: Factset Request coupon data for given date range and list of securities
      description: 'Get coupon information like accrued interest, coupon, coupon type and coupon frequency provided by Markit for specified date range and frequency.

        '
      operationId: getBondCouponForList
      requestBody:
        required: true
        description: Request object for requesting Coupon data
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/bondCouponRequest'
      responses:
        '200':
          description: Bond Coupon data items
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/bondCouponResponse'
        '400':
          $ref: '#/components/responses/400'
        '401':
          $ref: '#/components/responses/401'
        '403':
          $ref: '#/components/responses/403'
        '415':
          $ref: '#/components/responses/415'
        '500':
          $ref: '#/components/responses/500'
components:
  schemas:
    bondMetaResponse:
      type: object
      title: Bond Meta Response
      description: Array of Bond Meta Response Objects
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/bondMeta'
    absDetails:
      title: ABS Details Response Object
      type: object
      properties:
        requestId:
          description: Identifier that was used for the request.
          type: string
          example: US05522RDC97
        fsymId:
          description: FactSet Regional Security Identifier. Six alpha-numeric characters, excluding vowels, with an -R suffix (XXXXXX-R). Identifies the security's best regional security data series per currency. For equities, all primary listings per region and currency are allocated a regional-level permanent identifier. The regional-level permanent identifier will be available once a SEDOL representing the region/currency has been allocated and the identifiers are on FactSet.
          type:
          - string
          - 'null'
          example: V1D5YM-S
        date:
          description: The date on which the price is calculated.
          type:
          - string
          - 'null'
          format: date
          example: '2023-01-26'
        cdr:
          description: A vector of conditional default rate assumption used in the evaluated price of the instrument. CDR represents the percentage of outstanding principal balances in the pool that are in default.
          type:
          - string
          - 'null'
          example: '0'
        cpr:
          description: Returns the flat CPR that would equate to the same weighted average life (WAL) projection for Agency CMOs as the base case CPR vector
          type:
          - number
          - 'null'
          format: double
          example: null
        factor:
          description: The representation of the amount of the principal of an amortizing bond that has been paid out or written down since issuance, expressed as a percentage of the original total principal
          type:
          - number
          - 'null'
          format: double
          example: 1
        estimatedFactor:
          description: The projected agency pool factor between factor date and the day the actual factor is reported to investors (only applicable for agency passthrough securities).
          type:
          - number
          - 'null'
          format: double
          example: null
        bidPricePreFactor:
          description: Returns the agency pool bid price that is adjusted to account for prepayment expectations during the first five business days of the month before the factors are reported.
          type:
          - number
          - 'null'
          format: double
          example: null
        midPricePreFactor:
          description: Returns the agency pool mid price that is adjusted to account for prepayment expectations during the first five business days of the month before the factors are reported.
          type:
          - number
          - 'null'
          format: double
          example: null
        askPricePreFactor:
          description: Returns the agency pool ask price that is adjusted to account for prepayment expectations during the first five business days of the month before the factors are reported.
          type:
          - number
          - 'null'
          format: double
          example: null
        CPREstimatePreFactor:
          description: Returns the agency pool CPR estimate that is adjusted to account for prepayment expectations during the first five business days of the month before the factors are reported.
          type:
          - number
          - 'null'
          format: double
          example: null
        liquidity:
          description: Returns the market liquidity score.
          type:
          - number
          - 'null'
          format: double
          example: 1
        payUp:
          description: Returns the number of ticks, in 32nds format, above the TBA price.
          type:
          - number
          - 'null'
          format: double
          example: null
        payUpDescription:
          description: Returns the specified pool characteristics being used to drive the pay-up.
          type:
          - string
          - 'null'
          example: null
        prePayRate:
          description: '''Returns a vector of values of speed used in the evaluated price of the instrument. It is the estimated rate at which borrowers pays off the obligations that underlies an instrument.'
          type:
          - number
          - 'null'
          format: double
          example: 20
        prePayType:
          description: Returns the type of prepayment speed used in the evaluated price of the instrument.
          type:
          - string
          - 'null'
          example: SMM
        severity:
          description: Returns a vector of Loss Severity assumption used in evaluated price of the instrument. It is the percentage of the principal applied to the defaulted loan balance.
          type:
          - number
          - 'null'
          format: double
          example: 0
        wal:
          description: Returns the Weighted Average Life of the instrument.
          type:
          - number
          - 'null'
          format: double
          example: 0.886
        WALPrincipal:
          description: Returns the Weighted Average Life of the instrument.
          type:
          - number
          - 'null'
          format: double
          example: 0.886
    bondSpreadResponse:
      type: object
      title: Bond Spread Response
      description: Array of Bond Spread Response Objects
      properties:
        data:
          type: array
          items:
            $ref: '#/components/schemas/bondSpread'
    bondCoupon:
      title: Bond Coupon Response Object
      type: object
      properties:
        requestId:
          description: Identifier that was used for the request.
          type: string
          example: US45905URL07
        fsymId:
          description: FactSet Regional Security Identifier. Six alpha-numeric characters, excluding vowels, with an -R suffix (XXXXXX-R). Identifies the security's best regional security data series per currency. For equities, all primary listings per region and currency are allocated a regional-level permanent identifier. The regional-level permanent identifier will be available once a SEDOL representing the region/currency has been allocated and the identifiers are on FactSet.
          type:
          - string
          - 'null'
          example: CJQZQ0-S
        date:
          description: The date on which the price is calculated.
          type:
          - string
          - 'null'
          format: date
          example: '2023-01-26'
        accruedInterest:
          description: The interest that is owed, but not yet paid, added to the price of the bond. Available only for `corporate and municipal bonds`.
          type:
          - number
          - 'null'
          format: double
          example: 0.86771
        coupon:
          description: The current coupon rate of the instrument. Available only for `corporate and municipal bonds`.
          type:
          - number
          - 'null'
          format: double
          example: 2.125
        couponType:
          description: The coupon type of the instrument. Available only for `corporate and municipal bonds`.
          type:
          - string
          - 'null'
          example: Fixed
        couponFrequency:
          description: 'The coupon frequency of the bond. Available only for `corporate bonds`. '
          type:
          - string
          - 'null'
          example: 6M
    bondPrices:
      title: Bond Prices Response Object
      type: object
      properties:
        requestId:
          description: Identifier that was used for the request.
          type: string
          example: US45905URL07
        fsymId:
          description: FactSet Regional Security Identifier. Six alpha-numeric characters, excluding vowels, with an -R suffix (XXXXXX-R). Identifies the security's best regional security data series per currency. For equities, all primary listings per region and currency are allocated a regional-level permanent identifier. The regional-level permanent identifier will be available once a SEDOL representing the region/currency has been allocated and the identifiers are on FactSet.
          type:
          - string
          - 'null'
          example: CJQZQ0-S
        currency:
          description: Returns the coupon currency .Available only  available for `corporate and asset-backed security bonds`.
          type:
          - string
          - 'null'
          example: USD
        date:
          description: The date on which the price is calculated.
          type:
          - string
          - 'null'
          format: date
          example: '2023-01-26'
        cleanBidPrice:
          description: The bid price of the instrument.
          type:
          - number
          - 'null'
          format: double
          example: 95.74477
        cleanMidPrice:
          description: The bid price of the instrument.
          type:
          - number
          - 'null'
          format: double
          example: 95.77036
        cleanAskPrice:
          description: The bid price of the instrument.
          type:
          - number
          - 'null'
          format: double
          example: 95.79596
        dirtyBidPrice:
          description: The price of the bond plus the interest that is accrued between coupon payments, based on the bid price. Available only  for `corporate bonds`.
          type:
          - number
          - 'null'
          format: double
          example: 96.61248
        dirtyMidPrice:
          description: The price of the bond plus the interest that is accrued between coupon payments, based on the mid price. Available only  for `corporate bonds`.
          type:
          - number
          - 'null'
          format: double
          example: 96.63807
        dirtyAskPrice:
          description: The price of the bond plus the interest that is accrued between coupon payments, based on the bid price. Available only  for `corporate bonds`.
          type:
          - number
          - 'null'
          format: double
          example: 96.66367
        pv:
          description: The present variation per one basis point change in yield, based on the mid price .Available only  for `corporate bonds`.
          type:
          - number
          - 'null'
          format: double
          example: 1.96728
        bidPriceDate:
          description: The date the bid price is valued to. Available only  for `municipal bonds`.
          type:
          - string
          - 'null'
          format: date
          example: null
        midPriceDate:
          description: The date the mid price is valued to. Available only  for `municipal bonds`.
          type:
          - string
          - 'null'
          format: date
          example: null
        askPriceDate:
          description: The date the ask price is valued to. Available only  for `municipal bonds`.
          type:
          - string
          - 'null'
          format: date
          example: null
        bidPriceType:
          description: Bid price type for the given identifier. Available only  for `municipal bonds`.
          type:
          - string
          - 'null'
          example: null
        midPriceType:
          description: Mid price type for the given identifier .Available only  for `municipal bonds`.
          type: string
          example: null
        askPriceType:
          description: Ask price type for the given identifier .Available only  for `municipal bonds`.
          type:
          - string
          - 'null'
          example: null
    errorResponse:
      type: object
      title: Error Response
      properties:
        status:
          description: status
          type: string
          example: Bad Request
        timestamp:
          description: Timestamp in YYYY-MM-DD HH:MM:SS.SSS
          type: string
          example: '2019-11-01 11:09:41.918'
          format: date-time
        path:
          description: The Endpoint path {package}/version/{endpoint}
          type: string
          example: /markit-bond-prices/v1/{endpoint}
        message:
          description: The plain text error message
          type: string
          example: Validation Error
        subErrors:
          description: Sub-Errors related to the error message. Null if not applicable.
          type:
          - object
          - 'null'
          properties:
            object:
              description: The operation ID
              type: string
            field:
              description: Parameter Field Name
              type: string
            message:
              description: Error message
              type: string
            rejectedValue:
              description: Rejected Values in an Array
              type: array
              items:
                type: stri

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# Full source: https://raw.githubusercontent.com/api-evangelist/factset/refs/heads/main/openapi/factset-markit-bond-prices-and-analytics-api-openapi.yml