openapi: 3.2.0
info:
  title: Nordic Financial News Indices API
  version: v1.0
  contact:
    name: API Support
    email: hello@nordicfinancialnews.com
  description: 'Operations tagged Indices across 2 of this provider''s published API definitions: nordic-financial-news-openapi-original.yml, nordic-financial-news-openapi.yml. Each path carries the servers of the definition it was published in.'
servers:
- url: https://nordicfinancialnews.com
  description: Production server
tags:
- name: Indices
paths:
  /api/v1/indices:
    get:
      summary: List Indices
      tags:
      - Indices
      security:
      - bearer_auth: []
      description: Returns stock indices, ordered alphabetically by name. Use `exchange` to filter by a specific exchange.
      parameters:
      - name: limit
        in: query
        required: false
        description: Number of indices to return per page (default 25, max 100).
        example: 25
        schema:
          type: integer
      - name: cursor
        in: query
        required: false
        description: Opaque pagination cursor from a previous response.
        schema:
          type: string
      - name: exchange
        in: query
        required: false
        description: Filter by exchange MIC code, comma-separated for multiple (e.g. `XSTO`, `XSTO,XHEL`). Only active exchanges match.
        example: XSTO
        schema:
          type: string
      - name: fields
        in: query
        required: false
        description: 'Comma-separated list of fields to include in the response. Available fields: `id`, `name`, `symbol`, `pan_nordic`, `exchange`.'
        example: id,name,symbol
        schema:
          type: string
      - name: If-None-Match
        in: header
        required: false
        description: ETag value from a previous response. Returns `304 Not Modified` if data has not changed.
        schema:
          type: string
      - name: If-Modified-Since
        in: header
        required: false
        description: HTTP date from a previous `Last-Modified` header. Returns `304 Not Modified` if nothing has changed since.
        schema:
          type: string
      responses:
        '200':
          description: Indices retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  indices:
                    type: array
                    items:
                      $ref: '#/components/schemas/IndexSummary'
                  pagination:
                    type: object
                    properties:
                      count:
                        type: integer
                      next_cursor:
                        type:
                        - string
                        - 'null'
        '304':
          description: Not Modified
        '401':
          description: unauthorized
          content:
            application/json:
              examples:
                unauthorized:
                  value:
                    type: https://docs.nordicfinancialnews.com/problems/auth-invalid
                    title: Unauthorized
                    status: 401
                    detail: Missing or invalid API key
                    instance: urn:request:abc123
              schema:
                $ref: '#/components/schemas/problem_details'
        '403':
          description: forbidden - insufficient scope
          content:
            application/json:
              examples:
                forbidden:
                  value:
                    type: https://docs.nordicfinancialnews.com/problems/auth-insufficient
                    title: Forbidden
                    status: 403
                    detail: Insufficient scope for this resource
                    instance: urn:request:abc123
              schema:
                $ref: '#/components/schemas/problem_details'
      operationId: getApiV1Indices
      x-operation-id-source: derived
    servers:
    - url: https://nordicfinancialnews.com
      description: Production server
  /api/v1/indices/{identifier}:
    parameters:
    - name: identifier
      in: path
      required: true
      description: Index ID or symbol (e.g. `OMXS30`)
      schema:
        type: string
    get:
      summary: Get Index Details
      tags:
      - Indices
      security:
      - bearer_auth: []
      description: 'Returns details for a single index, including description and company count. Look up by index ID or symbol (case-insensitive, e.g. `OMXS30`). Note: `companies_count` reflects the number of distinct companies in the index, which may be less than the number of index constituents when a company has multiple share classes listed.'
      parameters:
      - name: If-None-Match
        in: header
        required: false
        description: ETag value from a previous response. Returns `304 Not Modified` if data has not changed.
        schema:
          type: string
      - name: If-Modified-Since
        in: header
        required: false
        description: HTTP date from a previous `Last-Modified` header. Returns `304 Not Modified` if nothing has changed since.
        schema:
          type: string
      responses:
        '200':
          description: Index retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  index:
                    $ref: '#/components/schemas/IndexDetail'
                required:
                - index
        '304':
          description: Not Modified
        '404':
          description: Stock index not found
          content:
            application/json:
              examples:
                not_found:
                  value:
                    type: https://docs.nordicfinancialnews.com/problems/not-found
                    title: Not Found
                    status: 404
                    detail: The requested resource could not be found
                    instance: urn:request:abc123
              schema:
                $ref: '#/components/schemas/problem_details'
      operationId: getApiV1IndicesByIdentifier
      x-operation-id-source: derived
    servers:
    - url: https://nordicfinancialnews.com
      description: Production server
  /api/v1/indices/{identifier}/companies:
    parameters:
    - name: identifier
      in: path
      required: true
      description: Index ID or symbol (e.g. `OMXS30`)
      schema:
        type: string
    get:
      summary: List Index Companies
      tags:
      - Indices
      security:
      - bearer_auth: []
      description: Returns companies that are members of a specific index, ordered alphabetically. The `ticker` and `exchange` shown for each company reflect its primary listing, which may differ from the listing used in this index (e.g. a company listed on multiple exchanges).
      parameters:
      - name: limit
        in: query
        required: false
        description: Number of companies to return per page (default 25, max 100).
        example: 25
        schema:
          type: integer
      - name: cursor
        in: query
        required: false
        description: Opaque pagination cursor from a previous response.
        schema:
          type: string
      - name: If-None-Match
        in: header
        required: false
        description: ETag value from a previous response. Returns `304 Not Modified` if data has not changed.
        schema:
          type: string
      - name: If-Modified-Since
        in: header
        required: false
        description: HTTP date from a previous `Last-Modified` header. Returns `304 Not Modified` if nothing has changed since.
        schema:
          type: string
      responses:
        '200':
          description: Index companies retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  companies:
                    type: array
                    items:
                      $ref: '#/components/schemas/CompanySummary'
                  pagination:
                    type: object
                    properties:
                      count:
                        type: integer
                      next_cursor:
                        type:
                        - string
                        - 'null'
                required:
                - companies
        '304':
          description: Not Modified
        '404':
          description: Stock index not found
          content:
            application/json:
              examples:
                not_found:
                  value:
                    type: https://docs.nordicfinancialnews.com/problems/not-found
                    title: Not Found
                    status: 404
                    detail: The requested resource could not be found
                    instance: urn:request:abc123
              schema:
                $ref: '#/components/schemas/problem_details'
      operationId: getApiV1IndicesByIdentifierCompanies
      x-operation-id-source: derived
    servers:
    - url: https://nordicfinancialnews.com
      description: Production server
components:
  schemas:
    IndexSummary:
      type: object
      required:
      - id
      - name
      - symbol
      properties:
        id:
          type: string
          description: Unique stock index identifier
          example: idx_omxs30abc
        name:
          type: string
          description: Index display name
          example: OMX Stockholm 30
        symbol:
          type: string
          description: Index symbol
          example: OMXS30
        pan_nordic:
          type: boolean
          description: True if the index spans multiple Nordic exchanges (e.g. OMXN40), false if tied to a single exchange (e.g. OMXS30)
          example: false
        exchange:
          type:
          - object
          - 'null'
          description: Exchange associated with this index
          properties:
            id:
              type: string
            name:
              type: string
            mic_code:
              type: string
    CompanySummary:
      type: object
      required:
      - id
      - name
      - slug
      - former_tickers
      - also_listed_on
      properties:
        id:
          type: string
          description: Unique company identifier
          example: w55fcw3pbg3p
        name:
          type: string
          description: Company name
          example: Volvo Car AB
        slug:
          type: string
          description: URL-friendly company name
          example: VOLCAR-B
        ticker:
          type:
          - string
          - 'null'
          description: Primary stock ticker (null if unlisted)
          example: VOLCAR-B
        former_tickers:
          type: array
          items:
            type: string
          description: Tickers the company was formerly listed under, from delisted or renamed listings, excluding any that are still a current ticker. Always present; empty when none. The ticker filter resolves former tickers as well as the current one, so a match on an old ticker still returns the company; this field tells you the ticker you searched by is historical.
          example:
          - VOLV
        is_active:
          type: boolean
          description: Whether the company is currently active/operating
          example: true
        exchange:
          type:
          - object
          - 'null'
          description: Primary exchange where the company is listed
          properties:
            id:
              type: string
              description: Exchange identifier
            name:
              type: string
              description: Exchange display name
            mic_code:
              type: string
              description: ISO 10383 Market Identifier Code
        also_listed_on:
          type: array
          description: 'The company''s other active listings, excluding the primary listing above: cross-listings on other exchanges and additional share classes (which may be on the same exchange). Always present; empty when the company is single-listed or unlisted. The row''s ticker/exchange fields are the primary listing only. Company detail stock_listings is the authoritative full set.'
          items:
            type: object
            required:
            - ticker
            - mic_code
            properties:
              ticker:
                type: string
                description: Ticker on this secondary exchange
                example: VOLCAR-B
              mic_code:
                type: string
                description: ISO 10383 Market Identifier Code of this exchange
                example: XSTO
          example: []
    problem_details:
      type: object
      required:
      - type
      - title
      - status
      - detail
      - instance
      properties:
        type:
          type: string
          description: URI that identifies the problem type
        title:
          type: string
          description: Short human-readable summary
        status:
          type: integer
          description: HTTP status code
        detail:
          type: string
          description: Human-readable explanation
        instance:
          type: string
          description: URI that identifies the specific occurrence
    IndexDetail:
      allOf:
      - $ref: '#/components/schemas/IndexSummary'
      - type: object
        properties:
          description:
            type:
            - string
            - 'null'
            description: Index description
            example: The 30 most-traded stocks on Nasdaq Stockholm
          companies_count:
            type: integer
            description: Number of distinct companies in this index (may be less than constituents when a company has multiple share classes)
            example: 30
  securitySchemes:
    bearer_auth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: API Key authentication using Bearer token
x-refined-from:
- nordic-financial-news-openapi-original.yml
- nordic-financial-news-openapi.yml