diff --git a/openapi/paths/end-of-day.yaml b/openapi/paths/end-of-day.yaml
new file mode 100644
index 0000000..c618a45
--- /dev/null
+++ b/openapi/paths/end-of-day.yaml
@@ -0,0 +1,191 @@
+# End-of-Day Stock Price API Paths
+# Reference: https://www.tiingo.com/documentation/end-of-day
+
+daily-prices: &daily-prices
+  get:
+    summary: Get End-of-Day Stock Prices
+    description: |
+      Returns End-of-Day price data for a given stock ticker.
+
+      Tiingo's End-of-Day prices use a proprietary error checking framework to help clean data feeds
+      and catch missing corporate actions (splits, dividends, and exchange listing changes).
+
+      **Pricing Availability:**
+      - Most US Equity prices are available at 5:30 PM EST
+      - Exchanges may send corrections until 8 PM EST
+      - Mutual Fund NAVs available after 12 AM EST
+
+      **Price Adjustments:**
+      - Both raw and adjusted prices are available
+      - Adjustment methodology follows CRSP (Center for Research in Security Prices) standard
+      - Incorporates both split and dividend adjustments
+    operationId: getEndOfDayPrices
+    tags:
+      - End-of-Day
+    parameters:
+      - $ref: '../parameters/_index.yaml#/TickerPathParam'
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+      - $ref: '../parameters/_index.yaml#/StartDateParam'
+      - $ref: '../parameters/_index.yaml#/EndDateParam'
+      - $ref: '../parameters/_index.yaml#/FormatParam'
+      - name: resampleFreq
+        in: query
+        required: false
+        schema:
+          type: string
+          enum:
+            - daily
+            - weekly
+            - monthly
+            - annually
+            - 1min
+            - 5min
+            - 15min
+            - 30min
+            - 1hour
+            - 4hour
+        description: Resample frequency for OHLC bars (e.g., daily, monthly, weekly, 5min, 1hour)
+      - name: sort
+        in: query
+        required: false
+        schema:
+          type: string
+          enum:
+            - asc
+            - desc
+          default: asc
+        description: Sort order for results (ascending or descending by date)
+      - name: columns
+        in: query
+        required: false
+        schema:
+          type: string
+        description: Comma-separated list of specific columns to return (e.g., "date,close,volume")
+        example: "date,close,volume"
+    responses:
+      '200':
+        description: Successful response with price data
+        content:
+          application/json:
+            schema:
+              $ref: '../schemas/eod-schemas.yaml#/PriceData'
+            examples:
+              singleDay:
+                summary: Single day price data
+                value:
+                  - date: "2024-01-01"
+                    open: 150.25
+                    high: 152.50
+                    low: 149.75
+                    close: 151.80
+                    volume: 50000000
+                    adjOpen: 150.25
+                    adjHigh: 152.50
+                    adjLow: 149.75
+                    adjClose: 151.80
+                    adjVolume: 50000000
+                    divCash: 0.0
+                    splitFactor: 1.0
+              historicalData:
+                summary: Multiple days historical data
+                value:
+                  - date: "2024-01-01"
+                    open: 150.25
+                    high: 152.50
+                    low: 149.75
+                    close: 151.80
+                    volume: 50000000
+                    adjOpen: 150.25
+                    adjHigh: 152.50
+                    adjLow: 149.75
+                    adjClose: 151.80
+                    adjVolume: 50000000
+                    divCash: 0.0
+                    splitFactor: 1.0
+                  - date: "2024-01-02"
+                    open: 151.90
+                    high: 153.20
+                    low: 151.50
+                    close: 152.40
+                    volume: 48000000
+                    adjOpen: 151.90
+                    adjHigh: 153.20
+                    adjLow: 151.50
+                    adjClose: 152.40
+                    adjVolume: 48000000
+                    divCash: 0.0
+                    splitFactor: 1.0
+          text/csv:
+            schema:
+              type: string
+              format: binary
+            example: |
+              date,open,high,low,close,volume,adjOpen,adjHigh,adjLow,adjClose,adjVolume,divCash,splitFactor
+              2024-01-01,150.25,152.50,149.75,151.80,50000000,150.25,152.50,149.75,151.80,50000000,0.0,1.0
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
+
+daily-meta: &daily-meta
+  get:
+    summary: Get Stock Ticker Metadata
+    description: |
+      Returns metadata information about a specific stock ticker.
+
+      Meta information comes from a variety of sources and is used to help communicate
+      details about an asset in the Tiingo database to users.
+
+      **Response Fields:**
+      - Ticker symbol and full name
+      - Exchange where the asset is listed
+      - Description of the company/asset
+      - Date range for available price data
+    operationId: getTickerMetadata
+    tags:
+      - End-of-Day
+    parameters:
+      - $ref: '../parameters/_index.yaml#/TickerPathParam'
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+    responses:
+      '200':
+        description: Successful response with ticker metadata
+        content:
+          application/json:
+            schema:
+              $ref: '../schemas/eod-schemas.yaml#/TickerMetadata'
+            examples:
+              appleMetadata:
+                summary: Apple Inc metadata
+                value:
+                  ticker: "AAPL"
+                  name: "Apple Inc"
+                  exchangeCode: "NASDAQ"
+                  description: "Apple Inc is an American multinational technology company that specializes in consumer electronics, software and online services."
+                  startDate: "1990-01-01"
+                  endDate: "2024-01-01"
+              noDataTicker:
+                summary: Ticker with no price data
+                value:
+                  ticker: "NEWCO"
+                  name: "New Company Inc"
+                  exchangeCode: "NYSE"
+                  description: "A newly listed company"
+                  startDate: null
+                  endDate: null
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
diff --git a/openapi/paths/iex.yaml b/openapi/paths/iex.yaml
new file mode 100644
index 0000000..582c858
--- /dev/null
+++ b/openapi/paths/iex.yaml
@@ -0,0 +1,269 @@
+# IEX Exchange API Endpoints
+# Reference: https://api.tiingo.com/documentation/iex
+
+iex-all: &iex-all
+  get:
+    summary: Get current top-of-book and last price for all or multiple tickers
+    description: |
+      Retrieve current top-of-book (bid/ask) and last price data for all available tickers or a specified list of tickers.
+      Returns real-time reference prices or full TOPS feed data (requires IEX Exchange registration).
+
+      This endpoint provides:
+      - Top-of-Book (Bid/Ask) data
+      - Last Sale (trade) data
+      - Tiingo-enriched convenience fields (tngoLast, mid, open, high, low)
+      - Volume data (IEX only during trading, all exchanges after close)
+    operationId: getAllIEXQuotes
+    tags:
+      - IEX
+    parameters:
+      - name: tickers
+        in: query
+        required: false
+        schema:
+          type: string
+          pattern: '^[A-Z0-9]+(,[A-Z0-9]+)*$'
+        description: |
+          Comma-separated list of ticker symbols. If omitted, returns data for all available tickers.
+        example: 'AAPL,SPY,QQQ'
+      - $ref: '../parameters/_index.yaml#/FormatParam'
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+    responses:
+      '200':
+        description: Successful response with top-of-book and last price data
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                $ref: '../schemas/iex-schemas.yaml#/IEXTopOfBook'
+            examples:
+              multiple-tickers:
+                summary: Multiple tickers response
+                value:
+                  - ticker: 'AAPL'
+                    timestamp: '2019-01-30T10:33:38.186520297-05:00'
+                    quoteTimestamp: '2019-01-30T10:33:38.186520297-05:00'
+                    lastSaleTimeStamp: '2019-01-30T10:33:34.176037579-05:00'
+                    last: 162.37
+                    lastSize: 100
+                    tngoLast: 162.33
+                    prevClose: 154.68
+                    open: 161.83
+                    high: 163.25
+                    low: 160.38
+                    mid: 162.67
+                    volume: 0
+                    bidSize: 100
+                    bidPrice: 162.34
+                    askSize: 100
+                    askPrice: 163.0
+                  - ticker: 'SPY'
+                    timestamp: '2019-01-30T11:12:29.505261845-05:00'
+                    quoteTimestamp: '2019-01-30T11:12:29.505261845-05:00'
+                    lastSaleTimeStamp: '2019-01-30T11:12:16.643833612-05:00'
+                    last: 265.41
+                    lastSize: 617
+                    tngoLast: 265.405
+                    prevClose: 263.41
+                    open: 264.62
+                    high: 265.445
+                    low: 264.225
+                    mid: 265.405
+                    volume: 0
+                    bidSize: 500
+                    bidPrice: 265.39
+                    askSize: 100
+                    askPrice: 265.42
+          text/csv:
+            schema:
+              type: string
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
+
+iex-single: &iex-single
+  get:
+    summary: Get current top-of-book and last price for a specific ticker
+    description: |
+      Retrieve current top-of-book (bid/ask) and last price data for a specific ticker symbol.
+      Returns real-time reference prices or full TOPS feed data (requires IEX Exchange registration).
+
+      This endpoint provides:
+      - Top-of-Book (Bid/Ask) data
+      - Last Sale (trade) data
+      - Tiingo-enriched convenience fields (tngoLast, mid, open, high, low)
+      - Volume data (IEX only during trading, all exchanges after close)
+      - Quotes updated to nanosecond precision
+    operationId: getIEXQuote
+    tags:
+      - IEX
+    parameters:
+      - $ref: '../parameters/_index.yaml#/TickerPathParam'
+      - $ref: '../parameters/_index.yaml#/FormatParam'
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+    responses:
+      '200':
+        description: Successful response with top-of-book and last price data
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                $ref: '../schemas/iex-schemas.yaml#/IEXTopOfBook'
+              minItems: 1
+              maxItems: 1
+            examples:
+              single-ticker:
+                summary: Single ticker response
+                value:
+                  - ticker: 'AAPL'
+                    timestamp: '2019-01-30T10:33:38.186520297-05:00'
+                    quoteTimestamp: '2019-01-30T10:33:38.186520297-05:00'
+                    lastSaleTimeStamp: '2019-01-30T10:33:34.176037579-05:00'
+                    last: 162.37
+                    lastSize: 100
+                    tngoLast: 162.33
+                    prevClose: 154.68
+                    open: 161.83
+                    high: 163.25
+                    low: 160.38
+                    mid: 162.67
+                    volume: 0
+                    bidSize: 100
+                    bidPrice: 162.34
+                    askSize: 100
+                    askPrice: 163.0
+          text/csv:
+            schema:
+              type: string
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
+
+iex-prices: &iex-prices
+  get:
+    summary: Get historical intraday prices
+    description: |
+      Retrieve historical intraday prices for a stock in OHLC format. Supports various resampling frequencies
+      from 1-minute to daily bars.
+
+      Features:
+      - OHLC (Open, High, Low, Close) data
+      - Configurable time intervals (1min to daily)
+      - Optional after-hours data inclusion
+      - Force-fill option for gaps in data
+      - IEX-only volume data (available with explicit columns parameter)
+
+      Example use cases:
+      - Current day OHLC: `resampleFreq=1day`
+      - 5-minute bars: `startDate=2019-01-02&resampleFreq=5min`
+      - Hourly bars with gaps filled: `startDate=2025-12-01&resampleFreq=1hour&forceFill=true`
+    operationId: getIEXHistoricalPrices
+    tags:
+      - IEX
+    parameters:
+      - $ref: '../parameters/_index.yaml#/TickerPathParam'
+      - $ref: '../parameters/_index.yaml#/StartDateParam'
+      - $ref: '../parameters/_index.yaml#/EndDateParam'
+      - name: resampleFreq
+        in: query
+        required: false
+        schema:
+          type: string
+          pattern: '^\d+(min|hour|day)$'
+          default: '5min'
+        description: |
+          Frequency for resampling OHLC data. Format: number + unit (min/hour/day).
+          Minimum value is 1min.
+          Examples: '1min', '5min', '15min', '1hour', '4hour', '1day'
+        example: '5min'
+      - name: afterHours
+        in: query
+        required: false
+        schema:
+          type: boolean
+          default: false
+        description: If true, includes pre-market and post-market data if available
+      - name: forceFill
+        in: query
+        required: false
+        schema:
+          type: boolean
+          default: false
+        description: |
+          If true, fills gaps in data by using the previous OHLC values when no trade/quote update
+          occurred for a given time period
+      - name: columns
+        in: query
+        required: false
+        schema:
+          type: string
+          pattern: '^[a-z]+(,[a-z]+)*$'
+        description: |
+          Comma-separated list of columns to include in response.
+          Available columns: open, high, low, close, volume.
+          Note: Volume data is only exposed if explicitly requested.
+        example: 'open,high,low,close,volume'
+      - $ref: '../parameters/_index.yaml#/FormatParam'
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+    responses:
+      '200':
+        description: Successful response with historical intraday price data
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                $ref: '../schemas/iex-schemas.yaml#/IEXPrice'
+            examples:
+              five-minute-bars:
+                summary: 5-minute OHLC bars
+                value:
+                  - date: '2019-01-02T14:30:00.000Z'
+                    open: 154.74
+                    high: 155.52
+                    low: 154.58
+                    close: 154.76
+                    volume: 16102
+                  - date: '2019-01-02T14:35:00.000Z'
+                    open: 154.8
+                    high: 155.0
+                    low: 154.31
+                    close: 154.645
+                    volume: 19127
+              daily-bar:
+                summary: Daily OHLC bar
+                value:
+                  - date: '2019-01-02T00:00:00.000Z'
+                    open: 154.89
+                    high: 158.85
+                    low: 154.23
+                    close: 157.92
+          text/csv:
+            schema:
+              type: string
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
diff --git a/openapi/paths/news.yaml b/openapi/paths/news.yaml
new file mode 100644
index 0000000..f5eb155
--- /dev/null
+++ b/openapi/paths/news.yaml
@@ -0,0 +1,212 @@
+# News API Path Definitions
+# Reference these using: $ref: '../paths/news.yaml#/PathName'
+
+news: &news
+  get:
+    summary: Get latest news articles
+    description: |
+      Retrieves the latest news articles from Tiingo's comprehensive news feeds.
+      Tiingo incorporates financial news sites as well as financial blogs and tags them using proprietary algorithms.
+      On a typical day, Tiingo adds over 8,000-12,000 articles.
+
+      This endpoint supports filtering by tickers, tags, source domains, and date ranges.
+      Results can be sorted by either publishedDate or crawlDate in descending order.
+    operationId: getNews
+    tags:
+      - News
+    parameters:
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+      - name: tickers
+        in: query
+        required: false
+        schema:
+          type: array
+          items:
+            type: string
+            pattern: '^[A-Z0-9]+$'
+        style: form
+        explode: false
+        description: Comma-separated list of ticker symbols to filter news articles
+        example: ["AAPL", "GOOGL"]
+      - name: tags
+        in: query
+        required: false
+        schema:
+          type: array
+          items:
+            type: string
+        style: form
+        explode: false
+        description: Comma-separated list of tags/countries/topics to filter news articles
+        example: ["election", "argentina"]
+      - name: source
+        in: query
+        required: false
+        schema:
+          type: array
+          items:
+            type: string
+            format: hostname
+        style: form
+        explode: false
+        description: Comma-separated list of source domains to filter news articles
+        example: ["bloomberg.com", "reuters.com"]
+      - $ref: '../parameters/_index.yaml#/StartDateParam'
+      - $ref: '../parameters/_index.yaml#/EndDateParam'
+      - name: limit
+        in: query
+        required: false
+        schema:
+          type: integer
+          format: int32
+          minimum: 1
+          maximum: 1000
+          default: 100
+        description: Maximum number of news objects to return. Default is 100, max is 1000. Contact support@tiingo.com for adjustments.
+      - name: offset
+        in: query
+        required: false
+        schema:
+          type: integer
+          format: int32
+          minimum: 0
+          default: 0
+        description: Pagination variable used alongside limit. Returns results shifted by offset. Example - limit=100, offset=2 returns results 2-102 instead of 0-99.
+      - name: sortBy
+        in: query
+        required: false
+        schema:
+          type: string
+          enum:
+            - publishedDate
+            - crawlDate
+          default: publishedDate
+        description: The date field to sort results by in descending order. Defaults to publishedDate.
+    responses:
+      '200':
+        description: Successful response with news articles
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                $ref: '../schemas/news-schemas.yaml#/NewsArticle'
+            examples:
+              singleArticle:
+                summary: Example news article
+                value:
+                  - source: "cnbc.com"
+                    crawlDate: "2019-01-29T22:20:01.696871Z"
+                    description: "Apple CEO Tim Cook told CNBC that trade tensions between the U.S. and China have improved since late December."
+                    url: "https://www.cnbc.com/2019/01/29/apples-ceo-sees-optimism-as-trade-tension-between-us-and-china-lessens.html"
+                    publishedDate: "2019-01-29T22:17:00Z"
+                    tags: ["China", "Economic Measures", "Economics", "Markets", "Stock", "Technology"]
+                    tickers: ["AAPL"]
+                    title: "Apple's CEO sees optimism as trade tension between U.S. and China lessens"
+                    id: 28515261
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
+
+bulk-list: &bulk-list
+  get:
+    summary: List available bulk download files
+    description: |
+      Returns a list of all available bulk download files for the entire news database.
+      An "incremental" batchType file is added every evening. At 12am EST, a batch process
+      runs saving all news articles for the past 24 hours.
+
+      **Note:** Bulk Download is only available to institutional clients.
+    operationId: listBulkDownloadFiles
+    tags:
+      - News
+    parameters:
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+    responses:
+      '200':
+        description: Successful response with list of bulk download files
+        content:
+          application/json:
+            schema:
+              type: array
+              items:
+                $ref: '../schemas/news-schemas.yaml#/BulkDownloadFile'
+            examples:
+              bulkFileList:
+                summary: Example list of bulk download files
+                value:
+                  - id: 755
+                    filename: "bulkfile_2019-01-28_2019-01-29.tar.gz"
+                    batchType: "incremental"
+                    startDate: "2019-01-28T05:00:00Z"
+                    endDate: "2019-01-29T05:00:00Z"
+                    url: "https://api.tiingo.com/tiingo/news/bulk_download/755?token=YOUR_API_TOKEN"
+                    fileSizeUncompressed: 10385878
+                    fileSizeCompressed: 3018550
+                  - id: 754
+                    filename: "bulkfile_2019-01-27_2019-01-28.tar.gz"
+                    batchType: "incremental"
+                    startDate: "2019-01-27T05:00:00Z"
+                    endDate: "2019-01-28T05:00:00Z"
+                    url: "https://api.tiingo.com/tiingo/news/bulk_download/754?token=YOUR_API_TOKEN"
+                    fileSizeUncompressed: 9854321
+                    fileSizeCompressed: 2945678
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
+
+bulk-download: &bulk-download
+  get:
+    summary: Download a specific bulk news file
+    description: |
+      Downloads a specific batch file by ID. The file contains news articles in compressed format (gzip).
+      Use the bulk-list endpoint to get the list of available files and their IDs.
+
+      The downloaded file is in tar.gz format and contains news articles for the specified date range.
+
+      **Note:** Bulk Download is only available to institutional clients.
+    operationId: downloadBulkFile
+    tags:
+      - News
+    parameters:
+      - name: id
+        in: path
+        required: true
+        schema:
+          type: integer
+          format: int32
+        description: The unique ID that corresponds to the batch file you would like to download
+        example: 755
+      - $ref: '../parameters/_index.yaml#/TokenParam'
+    responses:
+      '200':
+        description: Successful response with bulk download file (binary tar.gz)
+        content:
+          application/gzip:
+            schema:
+              type: string
+              format: binary
+      '400':
+        $ref: '../responses/_index.yaml#/BadRequest'
+      '401':
+        $ref: '../responses/_index.yaml#/Unauthorized'
+      '404':
+        $ref: '../responses/_index.yaml#/NotFound'
+      '429':
+        $ref: '../responses/_index.yaml#/TooManyRequests'
+      '500':
+        $ref: '../responses/_index.yaml#/InternalServerError'
diff --git a/openapi/schemas/eod-schemas.yaml b/openapi/schemas/eod-schemas.yaml
new file mode 100644
index 0000000..1c123a3
--- /dev/null
+++ b/openapi/schemas/eod-schemas.yaml
@@ -0,0 +1,119 @@
+# End-of-Day Stock Price API Schemas
+# Reference: https://www.tiingo.com/documentation/end-of-day
+
+PriceData: &PriceData
+  type: array
+  description: Array of End-of-Day price data objects with OHLCV (Open, High, Low, Close, Volume) data
+  items:
+    type: object
+    properties:
+      date:
+        $ref: '../schemas/common.yaml#/Date'
+        description: The date this data pertains to
+      open:
+        type: number
+        format: float
+        description: The opening price for the asset on the given date
+        example: 150.25
+      high:
+        type: number
+        format: float
+        description: The high price for the asset on the given date
+        example: 152.50
+      low:
+        type: number
+        format: float
+        description: The low price for the asset on the given date
+        example: 149.75
+      close:
+        type: number
+        format: float
+        description: The closing price for the asset on the given date
+        example: 151.80
+      volume:
+        type: integer
+        format: int64
+        description: The number of shares traded for the asset
+        example: 50000000
+      adjOpen:
+        type: number
+        format: float
+        description: The adjusted opening price for the asset on the given date (includes splits and dividends)
+        example: 150.25
+      adjHigh:
+        type: number
+        format: float
+        description: The adjusted high price for the asset on the given date (includes splits and dividends)
+        example: 152.50
+      adjLow:
+        type: number
+        format: float
+        description: The adjusted low price for the asset on the given date (includes splits and dividends)
+        example: 149.75
+      adjClose:
+        type: number
+        format: float
+        description: The adjusted closing price for the asset on the given date (includes splits and dividends)
+        example: 151.80
+      adjVolume:
+        type: integer
+        format: int64
+        description: The number of shares traded for the asset (adjusted for splits)
+        example: 50000000
+      divCash:
+        type: number
+        format: float
+        description: The dividend paid out on the given date (note that date will be the exDate for the dividend)
+        example: 0.0
+      splitFactor:
+        type: number
+        format: float
+        description: The factor used to adjust prices when a company splits, reverse splits, or pays a distribution
+        example: 1.0
+    required:
+      - date
+      - close
+      - volume
+
+TickerMetadata: &TickerMetadata
+  type: object
+  description: Metadata information about a stock ticker
+  properties:
+    ticker:
+      $ref: '../schemas/common.yaml#/Ticker'
+      description: Ticker related to the asset
+    name:
+      type: string
+      description: Full-length name of the asset
+      example: "Apple Inc"
+    exchangeCode:
+      type: string
+      description: An identifier that maps which Exchange this asset is listed on
+      enum:
+        - NASDAQ
+        - NYSE
+        - AMEX
+        - OTC
+        - BATS
+        - IEX
+      example: "NASDAQ"
+    description:
+      type: string
+      description: Long-form description of the asset
+      example: "Apple Inc is an American multinational technology company that specializes in consumer electronics, software and online services."
+    startDate:
+      type: string
+      format: date
+      nullable: true
+      description: The earliest date we have price data available for the asset. When null, no price data is available
+      example: "1990-01-01"
+    endDate:
+      type: string
+      format: date
+      nullable: true
+      description: The latest date we have price data available for the asset. When null, no price data is available
+      example: "2024-01-01"
+  required:
+    - ticker
+    - name
+    - exchangeCode
diff --git a/openapi/schemas/iex-schemas.yaml b/openapi/schemas/iex-schemas.yaml
new file mode 100644
index 0000000..6aa7f5b
--- /dev/null
+++ b/openapi/schemas/iex-schemas.yaml
@@ -0,0 +1,220 @@
+# IEX Exchange API Response Schemas
+# Reference: https://api.tiingo.com/documentation/iex
+
+IEXTopOfBook: &IEXTopOfBook
+  type: object
+  description: |
+    Top-of-book and last price data for a stock on IEX Exchange.
+
+    Note: Fields marked with "*IEX entitlement required*" will return null unless you are
+    registered with the IEX Exchange and have a market data policy in place. These fields
+    provide full TOPS feed data including direct bid/ask/last data from IEX.
+
+    Tiingo-enriched fields (tngoLast, mid, open, high, low) are calculated by Tiingo
+    and do not require IEX entitlement.
+  properties:
+    ticker:
+      $ref: '../schemas/common.yaml#/Ticker'
+      description: Ticker symbol for the asset
+    timestamp:
+      $ref: '../schemas/common.yaml#/DateTime'
+      description: Timestamp when the data was last refreshed
+    quoteTimestamp:
+      type: string
+      format: date-time
+      nullable: true
+      description: |
+        Timestamp when the last quote (bid/ask) data was received from IEX.
+        Requires IEX entitlement. Null if not entitled.
+    lastSaleTimeStamp:
+      type: string
+      format: date-time
+      nullable: true
+      description: |
+        Timestamp when the last trade (last/lastSize) data was received from IEX.
+        Requires IEX entitlement. Null if not entitled.
+    last:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Last trade price executed on IEX.
+        Requires IEX entitlement. Null if not entitled.
+      example: 162.37
+    lastSize:
+      type: integer
+      format: int32
+      nullable: true
+      description: |
+        Number of shares traded at the last price on IEX.
+        Requires IEX entitlement. Null if not entitled.
+      example: 100
+    tngoLast:
+      type: number
+      format: double
+      description: |
+        Tiingo-calculated last price. Either the last trade price or mid price.
+        The mid price is only used if the spread is not considered too wide by Tiingo's algorithm.
+        After the official exchange print comes in, this value changes to that value.
+        This is a Tiingo-enriched field and does not require IEX entitlement.
+      example: 162.33
+    prevClose:
+      type: number
+      format: double
+      description: |
+        Previous day's closing price of the security.
+        Can be from any exchange (NYSE, NASDAQ, IEX, etc.)
+      example: 154.68
+    open:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Opening price of the asset on the current day.
+        Tiingo-calculated field, does not require IEX entitlement.
+      example: 161.83
+    high:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        High price of the asset on the current day.
+        Tiingo-calculated field, does not require IEX entitlement.
+      example: 163.25
+    low:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Low price of the asset on the current day.
+        Tiingo-calculated field, does not require IEX entitlement.
+      example: 160.38
+    mid:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Mid price at current timestamp when both bidPrice and askPrice are not null.
+        Formula: mid = (bidPrice + askPrice) / 2.0
+        Tiingo-calculated field, does not require IEX entitlement.
+      example: 162.67
+    volume:
+      type: integer
+      format: int64
+      description: |
+        Volume data. IEX volume throughout the trading day.
+        Once the official closing price is received, reflects total volume across all exchanges.
+        This field is provided for convenience.
+      example: 0
+    bidSize:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Number of shares available at the bid price.
+        Requires IEX entitlement. Null if not entitled.
+      example: 100
+    bidPrice:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Current bid price.
+        Requires IEX entitlement. Null if not entitled.
+      example: 162.34
+    askSize:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Number of shares available at the ask price.
+        Requires IEX entitlement. Null if not entitled.
+      example: 100
+    askPrice:
+      type: number
+      format: double
+      nullable: true
+      description: |
+        Current ask price.
+        Requires IEX entitlement. Null if not entitled.
+      example: 163.0
+  required:
+    - ticker
+    - timestamp
+    - tngoLast
+    - prevClose
+    - volume
+  example:
+    ticker: 'AAPL'
+    timestamp: '2019-01-30T10:33:38.186520297-05:00'
+    quoteTimestamp: '2019-01-30T10:33:38.186520297-05:00'
+    lastSaleTimeStamp: '2019-01-30T10:33:34.176037579-05:00'
+    last: 162.37
+    lastSize: 100
+    tngoLast: 162.33
+    prevClose: 154.68
+    open: 161.83
+    high: 163.25
+    low: 160.38
+    mid: 162.67
+    volume: 0
+    bidSize: 100
+    bidPrice: 162.34
+    askSize: 100
+    askPrice: 163.0
+
+IEXPrice: &IEXPrice
+  type: object
+  description: |
+    Historical intraday price data in OHLC format from IEX Exchange.
+
+    The time period covered by each bar is determined by the resampleFreq parameter.
+    Volume data is IEX-only and must be explicitly requested using the columns parameter.
+  properties:
+    date:
+      $ref: '../schemas/common.yaml#/DateTime'
+      description: |
+        Timestamp for this OHLC bar. Marks the beginning of the time period.
+        Format: ISO 8601 (RFC 3339)
+    open:
+      type: number
+      format: double
+      description: Opening price for the time period
+      example: 154.74
+    high:
+      type: number
+      format: double
+      description: Highest price during the time period
+      example: 155.52
+    low:
+      type: number
+      format: double
+      description: Lowest price during the time period
+      example: 154.58
+    close:
+      type: number
+      format: double
+      description: Closing price for the time period
+      example: 154.76
+    volume:
+      type: integer
+      format: int64
+      nullable: true
+      description: |
+        Number of shares traded on IEX only during the time period.
+        This field is only included if explicitly requested via the columns parameter
+        (e.g., ?columns=open,high,low,close,volume)
+      example: 16102
+  required:
+    - date
+    - open
+    - high
+    - low
+    - close
+  example:
+    date: '2019-01-02T14:30:00.000Z'
+    open: 154.74
+    high: 155.52
+    low: 154.58
+    close: 154.76
+    volume: 16102
diff --git a/openapi/schemas/news-schemas.yaml b/openapi/schemas/news-schemas.yaml
new file mode 100644
index 0000000..680a462
--- /dev/null
+++ b/openapi/schemas/news-schemas.yaml
@@ -0,0 +1,114 @@
+# News API Schema Definitions
+# Reference these using: $ref: '../schemas/news-schemas.yaml#/SchemaName'
+
+NewsArticle: &NewsArticle
+  type: object
+  description: A news article with ticker and tag associations
+  properties:
+    id:
+      type: integer
+      format: int32
+      description: Unique identifier specific to the news article
+      example: 28515261
+    title:
+      type: string
+      description: Title of the news article
+      example: "Apple's CEO sees optimism as trade tension between U.S. and China lessens"
+    url:
+      type: string
+      format: uri
+      description: URL of the news article
+      example: "https://www.cnbc.com/2019/01/29/apples-ceo-sees-optimism-as-trade-tension-between-us-and-china-lessens.html"
+    description:
+      type: string
+      description: Long-form description of the news story
+      example: "Apple CEO Tim Cook told CNBC that trade tensions between the U.S. and China have improved since late December."
+    publishedDate:
+      type: string
+      format: date-time
+      description: The datetime the news story was published in UTC. Usually reported by the news source, or the time discovered by Tiingo's crawler if not declared.
+      example: "2019-01-29T22:17:00Z"
+    crawlDate:
+      type: string
+      format: date-time
+      description: The datetime the news story was added to the database in UTC. Always recorded by Tiingo. Large gaps between crawlDate and publishedDate indicate backfilled articles.
+      example: "2019-01-29T22:20:01.696871Z"
+    source:
+      type: string
+      description: The domain the news source is from
+      example: "cnbc.com"
+    tickers:
+      type: array
+      items:
+        type: string
+        pattern: '^[A-Z0-9]+$'
+      description: Tickers mentioned in the news story using Tiingo's proprietary tagging algorithm
+      example: ["AAPL"]
+    tags:
+      type: array
+      items:
+        type: string
+      description: Tags mapped and discovered by Tiingo using Tiingo's proprietary tagging algorithm
+      example: ["China", "Economic Measures", "Economics", "Markets", "Stock", "Technology"]
+  required:
+    - id
+    - title
+    - url
+    - publishedDate
+    - crawlDate
+    - source
+
+BulkDownloadFile: &BulkDownloadFile
+  type: object
+  description: Metadata for a bulk news download file (institutional clients only)
+  properties:
+    id:
+      type: integer
+      format: int32
+      description: Unique identifier specific to the bulk download file. Used to select which file to download.
+      example: 755
+    filename:
+      type: string
+      description: The filename of the batch file
+      example: "bulkfile_2019-01-28_2019-01-29.tar.gz"
+    batchType:
+      type: string
+      enum:
+        - base
+        - incremental
+      description: "Describes what kind of batch file this is: 'base' is an entire dump of the data, 'incremental' is a partial dump of the data"
+      example: "incremental"
+    startDate:
+      type: string
+      format: date-time
+      description: The start date used to select the News objects to generate the batch file. This is inclusive (publishedDate >= startDate).
+      example: "2019-01-28T05:00:00Z"
+    endDate:
+      type: string
+      format: date-time
+      description: The end date used to select the News objects to generate the batch file. This is not inclusive (publishedDate < endDate).
+      example: "2019-01-29T05:00:00Z"
+    url:
+      type: string
+      format: uri
+      description: A url to directly download the batch file. NOTE - This url contains your Auth Token and is meant to be a copy/paste url for convenience.
+      example: "https://api.tiingo.com/tiingo/news/bulk_download/755?token=YOUR_API_TOKEN"
+    fileSizeUncompressed:
+      type: integer
+      format: int64
+      description: The size of the file in bytes uncompressed
+      example: 10385878
+    fileSizeCompressed:
+      type: integer
+      format: int64
+      description: The size of the file in bytes compressed using gzip
+      example: 3018550
+  required:
+    - id
+    - filename
+    - batchType
+    - startDate
+    - endDate
+    - url
+    - fileSizeUncompressed
+    - fileSizeCompressed