> ## Documentation Index
> Fetch the complete documentation index at: https://docs.updown.fast/llms.txt
> Use this file to discover all available pages before exploring further.

# Get series

> One series by its ticker.



## OpenAPI

````yaml api-reference/openapi.json GET /series/{series_ticker}
openapi: 3.1.0
info:
  title: updown Trade API
  version: 1.0.0
  description: >-
    Public REST API. Market data needs no key; `/account` (and order entry, when
    it ships) takes an API key. Prices are dollar strings on the 1¢ grid, counts
    are contract strings, times are epoch ms. Generated from packages/protocol —
    do not edit by hand.
servers:
  - url: https://api.updown.fast/trade-api/v1
    description: production
security: []
paths:
  /series/{series_ticker}:
    get:
      summary: Get series
      description: One series by its ticker.
      operationId: getSeries
      parameters:
        - name: series_ticker
          in: path
          required: true
          description: e.g. sol-15m
          schema:
            type: string
      responses:
        '200':
          description: One series.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SeriesResponse'
        '400':
          description: Invalid request (code BAD_REQUEST).
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: SERIES_NOT_FOUND
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '429':
          description: Rate limited (code RATE_LIMITED); wait `Retry-After` seconds.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '503':
          description: The book could not be read (code EXCHANGE_UNAVAILABLE); retry.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security: []
components:
  schemas:
    SeriesResponse:
      type: object
      properties:
        series:
          type: object
          properties:
            ticker:
              type: string
              pattern: ^[a-z0-9][a-z0-9-]{0,63}$
              description: Series ticker, e.g. "btc-15m".
            title:
              type: string
            category:
              type: string
              enum:
                - crypto
                - stocks
            underlying:
              type: string
            interval_minutes:
              type: integer
              exclusiveMinimum: 0
              maximum: 9007199254740991
            settlement_source:
              type: string
              enum:
                - coinbase
                - pyth
                - robinhood-chain
            contract_terms:
              type: string
            price_ranges:
              type: array
              items:
                type: object
                properties:
                  start:
                    type: string
                    pattern: ^0\.(0[1-9]|[1-9]\d)$
                    description: >-
                      Contract price in dollars, "0.01"–"0.99" (v1: whole
                      cents).
                  end:
                    type: string
                    pattern: ^0\.(0[1-9]|[1-9]\d)$
                    description: >-
                      Contract price in dollars, "0.01"–"0.99" (v1: whole
                      cents).
                  step:
                    type: string
                required:
                  - start
                  - end
                  - step
                additionalProperties: false
            tick_size:
              type: string
            fee_schedule:
              type: object
              properties:
                maker:
                  type: string
                taker:
                  type: string
              required:
                - maker
                - taker
              additionalProperties: false
          required:
            - ticker
            - title
            - category
            - underlying
            - interval_minutes
            - settlement_source
            - contract_terms
            - price_ranges
            - tick_size
            - fee_schedule
          additionalProperties: false
      required:
        - series
      additionalProperties: false
    Error:
      type: object
      properties:
        code:
          type: string
          enum:
            - BAD_REQUEST
            - NOT_FOUND
            - SERIES_NOT_FOUND
            - MARKET_NOT_FOUND
            - METHOD_NOT_ALLOWED
            - RATE_LIMITED
            - UNAUTHORIZED
            - INTERNAL_ERROR
            - EXCHANGE_UNAVAILABLE
        message:
          type: string
        details:
          type: string
      required:
        - code
        - message
      additionalProperties: false

````

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