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

# Search Commodity Series

> List the commodity price series Orbbit vouches for, grouped by commodity.

Requires the `search-commodities` scope.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/commodities
openapi: 3.1.0
info:
  title: Orbbit Data API
  version: '1.0'
  description: >-
    Commodity prices, packaged-food labels, and online store catalogs over one
    read-only REST API.
servers:
  - url: https://api.orbbit.co
    description: Production
security:
  - bearer: []
tags:
  - name: Commodities
  - name: Branded Food
  - name: Shopify
paths:
  /v1/commodities:
    get:
      tags:
        - Commodities
      summary: Search Commodity Series
      description: >-
        List the commodity price series Orbbit vouches for, grouped by
        commodity.


        Requires the `search-commodities` scope.
      operationId: CommoditiesController_list
      parameters:
        - name: commodity
          required: false
          in: query
          description: >-
            Keep only series whose commodity or slug contains this, ignoring
            case; empty or absent returns the whole catalog
          schema:
            type: string
      responses:
        '200':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ListCommoditiesResponseDto'
              example:
                data:
                  - commodity: Butter
                    series:
                      - slug: butter-cme-spot-close-daily
                        spec: Grade AA
                        market: CME spot call, Chicago
                        measure: close_price
                        unit: USD/lb
                        frequency: daily
                        source: usda-mars
                        report: CME Group Daily Cash Trading
                        first_observed_on: '2019-01-02'
                        last_observed_on: '2026-09-22'
                      - slug: butter-sales-price-weekly
                        spec: Grade AA
                        market: >-
                          US manufacturer sales, Federal Milk Marketing Order
                          survey
                        measure: butter_price
                        unit: USD/lb
                        frequency: weekly
                        source: usda-mpr
                        report: National Dairy Products Sales Report
                        first_observed_on: '2012-04-28'
                        last_observed_on: '2026-09-19'
        '400':
          description: The request was malformed
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicApiErrorDto'
              example:
                error:
                  type: invalid_request
                  message: 'Unknown series: butter-spot'
        '401':
          description: The API key is missing, malformed, unknown, or revoked
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicApiErrorDto'
              example:
                error:
                  type: unauthorized
                  message: 'Missing or malformed Authorization: Bearer header'
        '403':
          description: The key is valid but not scoped to this endpoint
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PublicApiErrorDto'
              example:
                error:
                  type: forbidden
                  message: This key is not scoped to search-commodities
      security:
        - bearer: []
components:
  schemas:
    ListCommoditiesResponseDto:
      type: object
      properties:
        data:
          type: array
          items:
            type: object
            properties:
              commodity:
                type: string
              series:
                type: array
                items:
                  type: object
                  properties:
                    slug:
                      type: string
                    spec:
                      anyOf:
                        - type: string
                        - type: 'null'
                    market:
                      type: string
                    measure:
                      type: string
                    unit:
                      type: string
                    frequency:
                      type: string
                      enum:
                        - daily
                        - weekly
                        - monthly
                    source:
                      type: string
                    report:
                      type: string
                    first_observed_on:
                      anyOf:
                        - type: string
                        - type: 'null'
                    last_observed_on:
                      anyOf:
                        - type: string
                        - type: 'null'
                  required:
                    - slug
                    - spec
                    - market
                    - measure
                    - unit
                    - frequency
                    - source
                    - report
                    - first_observed_on
                    - last_observed_on
            required:
              - commodity
              - series
      required:
        - data
    PublicApiErrorDto:
      type: object
      properties:
        error:
          type: object
          properties:
            type:
              type: string
            message:
              type: string
          required:
            - type
            - message
      required:
        - error
  securitySchemes:
    bearer:
      type: http
      scheme: bearer
      description: Your API key, which starts with `orbbit_data_`.

````