Chartmetric Stats and Metrics API

openapi: 3.0.1
info:
  title: Chartmetric API
  description: >-
    REST API for the Chartmetric music analytics and artist-intelligence
    platform. Provides programmatic access to artists, tracks, albums,
    playlists, and charts along with cross-platform streaming, social, and
    radio statistics across Spotify, Apple Music, YouTube, TikTok, Instagram,
    and other platforms, plus a unified search endpoint. Authentication uses a
    short-lived Bearer access token minted by exchanging a long-lived refresh
    token at POST /token.
  termsOfService: https://chartmetric.com/terms-of-service
  contact:
    name: Chartmetric Support
    email: hi@chartmetric.com
    url: https://apidocs.chartmetric.com/
  version: '1.0'
servers:
  - url: https://api.chartmetric.com/api
    description: Chartmetric production API
security:
  - bearerAuth: []
tags:
  - name: Authentication
    description: Exchange a refresh token for a short-lived access token.
  - name: Artists
    description: Artist metadata, stats, related artists, and placements.
  - name: Tracks
    description: Track metadata, stats, charts, and playlist placements.
  - name: Albums
    description: Album metadata, tracks, followers, charts, and placements.
  - name: Playlists
    description: Playlist metadata, track listings, snapshots, and evolution.
  - name: Charts
    description: Platform chart rankings and Chartmetric Score (cm-score).
  - name: Search
    description: Unified entity search.
paths:
  /token:
    post:
      operationId: createToken
      tags:
        - Authentication
      summary: Mint an access token
      description: >-
        Exchange a long-lived refresh token for a short-lived (1 hour) access
        token. Reuse the access token across requests until it expires.
      security: []
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/TokenRequest'
      responses:
        '200':
          description: An access token and its expiration.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TokenResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /search:
    get:
      operationId: search
      tags:
        - Search
      summary: Search entities
      description: >-
        Free-text search across artists, tracks, albums, playlists, curators,
        and other entity types, returning Chartmetric IDs for follow-on lookups.
      parameters:
        - name: q
          in: query
          required: true
          description: Search query string.
          schema:
            type: string
        - name: type
          in: query
          required: false
          description: Comma-separated entity types to restrict the search to (for example artists, tracks, albums, playlists, curators).
          schema:
            type: string
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 10
        - name: offset
          in: query
          required: false
          schema:
            type: integer
            default: 0
      responses:
        '200':
          description: Search results grouped by entity type.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/SearchResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /artist/{id}:
    get:
      operationId: getArtist
      tags:
        - Artists
      summary: Get artist metadata
      parameters:
        - $ref: '#/components/parameters/ArtistId'
      responses:
        '200':
          description: Artist metadata object.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ArtistResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /artist/{id}/stat/{source}:
    get:
      operationId: getArtistStat
      tags:
        - Artists
      summary: Get artist stats by data source
      description: Time-series streaming/social statistics for an artist from a given data source (for example spotify, applemusic, youtube, tiktok, instagram).
      parameters:
        - $ref: '#/components/parameters/ArtistId'
        - $ref: '#/components/parameters/Source'
        - $ref: '#/components/parameters/Since'
        - $ref: '#/components/parameters/Until'
      responses:
        '200':
          description: Time-series stat values for the artist on the given source.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /artist/{id}/urls:
    get:
      operationId: getArtistUrls
      tags:
        - Artists
      summary: Get artist streaming and social URLs
      parameters:
        - $ref: '#/components/parameters/ArtistId'
      responses:
        '200':
          description: Streaming, social, and service URLs for the artist.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /artist/{id}/relatedartists:
    get:
      operationId: getRelatedArtists
      tags:
        - Artists
      summary: Get related artists
      parameters:
        - $ref: '#/components/parameters/ArtistId'
      responses:
        '200':
          description: A list of artists related to the given artist.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /artist/{id}/where-people-listen:
    get:
      operationId: getArtistWherePeopleListen
      tags:
        - Artists
      summary: Get where-people-listen geography
      description: Top cities and countries where the artist's audience listens.
      parameters:
        - $ref: '#/components/parameters/ArtistId'
      responses:
        '200':
          description: Geographic listening distribution for the artist.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /artist/{id}/tracks:
    get:
      operationId: getArtistTracks
      tags:
        - Artists
      summary: Get artist tracks
      parameters:
        - $ref: '#/components/parameters/ArtistId'
      responses:
        '200':
          description: Tracks attributed to the artist.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /artist/{id}/albums:
    get:
      operationId: getArtistAlbums
      tags:
        - Artists
      summary: Get artist albums
      parameters:
        - $ref: '#/components/parameters/ArtistId'
      responses:
        '200':
          description: Albums attributed to the artist.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /artist/{id}/{source}/{status}/playlists:
    get:
      operationId: getArtistPlaylists
      tags:
        - Artists
      summary: Get artist playlist placements
      parameters:
        - $ref: '#/components/parameters/ArtistId'
        - $ref: '#/components/parameters/Source'
        - $ref: '#/components/parameters/PlaylistStatus'
      responses:
        '200':
          description: Playlists the artist's catalog appears on for the given source and status.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /track/{id}:
    get:
      operationId: getTrack
      tags:
        - Tracks
      summary: Get track metadata
      parameters:
        - $ref: '#/components/parameters/TrackId'
      responses:
        '200':
          description: Track metadata object.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/TrackResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /track/{id}/{platform}/stats:
    get:
      operationId: getTrackStats
      tags:
        - Tracks
      summary: Get track stats by platform
      parameters:
        - $ref: '#/components/parameters/TrackId'
        - $ref: '#/components/parameters/Platform'
        - $ref: '#/components/parameters/Since'
        - $ref: '#/components/parameters/Until'
      responses:
        '200':
          description: Time-series stat values for the track on the given platform.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /track/{id}/{chartType}/charts:
    get:
      operationId: getTrackCharts
      tags:
        - Tracks
      summary: Get track chart history
      parameters:
        - $ref: '#/components/parameters/TrackId'
        - $ref: '#/components/parameters/ChartType'
      responses:
        '200':
          description: Chart appearances for the track.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /track/{id}/{platform}/{status}/playlists:
    get:
      operationId: getTrackPlaylists
      tags:
        - Tracks
      summary: Get track playlist placements
      parameters:
        - $ref: '#/components/parameters/TrackId'
        - $ref: '#/components/parameters/Platform'
        - $ref: '#/components/parameters/PlaylistStatus'
      responses:
        '200':
          description: Playlists the track appears on for the given platform and status.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /album/{id}:
    get:
      operationId: getAlbum
      tags:
        - Albums
      summary: Get album metadata
      parameters:
        - $ref: '#/components/parameters/AlbumId'
      responses:
        '200':
          description: Album metadata object.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/AlbumResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /album/{id}/tracks:
    get:
      operationId: getAlbumTracks
      tags:
        - Albums
      summary: Get album tracks
      parameters:
        - $ref: '#/components/parameters/AlbumId'
      responses:
        '200':
          description: Tracks belonging to the album.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /album/{id}/{source}/followers:
    get:
      operationId: getAlbumFollowers
      tags:
        - Albums
      summary: Get album followers by source
      parameters:
        - $ref: '#/components/parameters/AlbumId'
        - $ref: '#/components/parameters/Source'
      responses:
        '200':
          description: Follower time series for the album on the given source.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StatResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /album/{id}/{source}/{status}/playlists:
    get:
      operationId: getAlbumPlaylists
      tags:
        - Albums
      summary: Get album playlist placements
      parameters:
        - $ref: '#/components/parameters/AlbumId'
        - $ref: '#/components/parameters/Source'
        - $ref: '#/components/parameters/PlaylistStatus'
      responses:
        '200':
          description: Playlists the album appears on for the given source and status.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /playlist/{platform}/{id}:
    get:
      operationId: getPlaylist
      tags:
        - Playlists
      summary: Get playlist metadata
      parameters:
        - $ref: '#/components/parameters/Platform'
        - $ref: '#/components/parameters/PlaylistId'
      responses:
        '200':
          description: Playlist metadata object.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PlaylistResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
        '404':
          $ref: '#/components/responses/NotFound'
  /playlist/{platform}/{id}/{span}/tracks:
    get:
      operationId: getPlaylistTracks
      tags:
        - Playlists
      summary: Get playlist tracks
      description: Current or historical track listing for a playlist over a given span (for example current, past).
      parameters:
        - $ref: '#/components/parameters/Platform'
        - $ref: '#/components/parameters/PlaylistId'
        - name: span
          in: path
          required: true
          description: Time span of the track listing (for example current, past).
          schema:
            type: string
      responses:
        '200':
          description: Tracks on the playlist for the given span.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /playlist/{platform}/{id}/snapshot:
    get:
      operationId: getPlaylistSnapshot
      tags:
        - Playlists
      summary: Get playlist snapshot
      parameters:
        - $ref: '#/components/parameters/Platform'
        - $ref: '#/components/parameters/PlaylistId'
      responses:
        '200':
          description: A point-in-time snapshot of the playlist.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /playlist/{platform}/lists:
    get:
      operationId: getPlaylistLists
      tags:
        - Playlists
      summary: List playlists by platform
      parameters:
        - $ref: '#/components/parameters/Platform'
        - name: limit
          in: query
          required: false
          schema:
            type: integer
            default: 50
        - name: offset
          in: query
          required: false
          schema:
            type: integer
            default: 0
      responses:
        '200':
          description: A list of playlists tracked for the platform.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /charts/{platform}:
    get:
      operationId: getCharts
      tags:
        - Charts
      summary: Get platform charts
      description: Chart rankings for a streaming, social, or radio platform (for example spotify, applemusic, youtube, shazam, itunes, deezer, soundcloud, beatport, amazon, qq).
      parameters:
        - $ref: '#/components/parameters/Platform'
        - name: date
          in: query
          required: false
          description: Chart date (YYYY-MM-DD).
          schema:
            type: string
            format: date
        - name: country_code
          in: query
          required: false
          description: Two-letter country code to scope the chart.
          schema:
            type: string
        - name: type
          in: query
          required: false
          description: Chart type or metric (for example streams, popularity).
          schema:
            type: string
      responses:
        '200':
          description: Ranked chart entries for the platform.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ChartResponse'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /charts/artist/{id}/{chartType}/cm-score:
    get:
      operationId: getArtistCmScore
      tags:
        - Charts
      summary: Get artist Chartmetric Score ranking
      parameters:
        - $ref: '#/components/parameters/ArtistId'
        - $ref: '#/components/parameters/ChartType'
      responses:
        '200':
          description: Chartmetric Score (cm-score) ranking history for the artist.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /charts/track/{id}/{chartType}/cm-score:
    get:
      operationId: getTrackCmScore
      tags:
        - Charts
      summary: Get track Chartmetric Score ranking
      parameters:
        - $ref: '#/components/parameters/TrackId'
        - $ref: '#/components/parameters/ChartType'
      responses:
        '200':
          description: Chartmetric Score (cm-score) ranking history for the track.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
  /charts/album/{id}/{chartType}/cm-score:
    get:
      operationId: getAlbumCmScore
      tags:
        - Charts
      summary: Get album Chartmetric Score ranking
      parameters:
        - $ref: '#/components/parameters/AlbumId'
        - $ref: '#/components/parameters/ChartType'
      responses:
        '200':
          description: Chartmetric Score (cm-score) ranking history for the album.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/GenericObject'
        '401':
          $ref: '#/components/responses/Unauthorized'
components:
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: JWT
      description: Bearer access token obtained from POST /token.
  parameters:
    ArtistId:
      name: id
      in: path
      required: true
      description: Chartmetric artist ID.
      schema:
        type: integer
    TrackId:
      name: id
      in: path
      required: true
      description: Chartmetric track ID.
      schema:
        type: integer
    AlbumId:
      name: id
      in: path
      required: true
      description: Chartmetric album ID.
      schema:
        type: integer
    PlaylistId:
      name: id
      in: path
      required: true
      description: Chartmetric playlist ID.
      schema:
        type: integer
    Source:
      name: source
      in: path
      required: true
      description: Data source / platform (for example spotify, applemusic, youtube, tiktok, instagram, deezer).
      schema:
        type: string
    Platform:
      name: platform
      in: path
      required: true
      description: Streaming, social, or radio platform identifier.
      schema:
        type: string
    ChartType:
      name: chartType
      in: path
      required: true
      description: Chart type for the platform (for example library, listeners, popularity).
      schema:
        type: string
    PlaylistStatus:
      name: status
      in: path
      required: true
      description: Placement status (current or past).
      schema:
        type: string
        enum:
          - current
          - past
    Since:
      name: since
      in: query
      required: false
      description: Start date for time-series data (YYYY-MM-DD).
      schema:
        type: string
        format: date
    Until:
      name: until
      in: query
      required: false
      description: End date for time-series data (YYYY-MM-DD).
      schema:
        type: string
        format: date
  responses:
    Unauthorized:
      description: Missing or invalid access token.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    NotFound:
      description: The requested entity was not found.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
  schemas:
    TokenRequest:
      type: object
      required:
        - refreshtoken
      properties:
        refreshtoken:
          type: string
          description: Long-lived refresh token issued by Chartmetric.
    TokenResponse:
      type: object
      properties:
        token:
          type: string
          description: Short-lived Bearer access token.
        expires_in:
          type: integer
          description: Token lifetime in seconds (3600).
          example: 3600
        scope:
          type: string
        refresh_token:
          type: string
    SearchResponse:
      type: object
      properties:
        obj:
          type: object
          description: Search results grouped by entity type (artists, tracks, albums, playlists, curators).
          additionalProperties: true
    ArtistResponse:
      type: object
      properties:
        obj:
          $ref: '#/components/schemas/Artist'
    Artist:
      type: object
      properties:
        id:
          type: integer
          description: Chartmetric artist ID.
        name:
          type: string
        image_url:
          type: string
        isni:
          type: string
        country:
          type: string
        genres:
          type: array
          items:
            type: string
        cm_artist_rank:
          type: integer
          description: Current Chartmetric artist rank.
    TrackResponse:
      type: object
      properties:
        obj:
          $ref: '#/components/schemas/Track'
    Track:
      type: object
      properties:
        id:
          type: integer
          description: Chartmetric track ID.
        name:
          type: string
        isrc:
          type: string
        artist_names:
          type: array
          items:
            type: string
        album_names:
          type: array
          items:
            type: string
        release_dates:
          type: array
          items:
            type: string
            format: date
    AlbumResponse:
      type: object
      properties:
        obj:
          $ref: '#/components/schemas/Album'
    Album:
      type: object
      properties:
        id:
          type: integer
          description: Chartmetric album ID.
        name:
          type: string
        upc:
          type: string
        label:
          type: string
        release_date:
          type: string
          format: date
        artist_names:
          type: array
          items:
            type: string
    PlaylistResponse:
      type: object
      properties:
        obj:
          $ref: '#/components/schemas/Playlist'
    Playlist:
      type: object
      properties:
        id:
          type: integer
          description: Chartmetric playlist ID.
        name:
          type: string
        platform:
          type: string
        followers:
          type: integer
        owner_name:
          type: string
        num_track:
          type: integer
    StatResponse:
      type: object
      properties:
        obj:
          type: object
          description: Time-series stat values keyed by metric.
          additionalProperties: true
    ChartResponse:
      type: object
      properties:
        obj:
          type: array
          description: Ranked chart entries.
          items:
            type: object
            additionalProperties: true
    GenericObject:
      type: object
      properties:
        obj:
          description: Response payload, shape varies by endpoint.
          oneOf:
            - type: object
              additionalProperties: true
            - type: array
              items:
                type: object
                additionalProperties: true
    Error:
      type: object
      properties:
        error:
          type: string
          description: Human-readable error message.
        status:
          type: integer
          description: HTTP status code.