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

# Get ETF Provider Time Series

> Returns one issuer's history: AUM, daily and rolling 30-day net flow, product count, AUM-weighted expense ratio, and the bitcoin and spot shares of AUM. The identifier is the issuer's Blockworks Research provider slug (blackrock) or its Messari project slug (bitwise-asset-management). Only the 1d granularity is available for this dataset.



## OpenAPI

````yaml GET /metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}
openapi: 3.0.0
info:
  description: OpenAPI specification for the entire Messari API
  title: Messari API - Metrics V2
  version: 1.0.0
servers:
  - description: Messari API
    url: https://api.messari.io
security: []
paths:
  /metrics/v2/protocols/etfs/{providerIdentifier}/metrics/overview/time-series/{granularity}:
    get:
      tags:
        - metrics/protocols/etfs
      summary: Get ETF Provider Time Series
      description: >-
        Returns one issuer's history: AUM, daily and rolling 30-day net flow,
        product count, AUM-weighted expense ratio, and the bitcoin and spot
        shares of AUM. The identifier is the issuer's Blockworks Research
        provider slug (blackrock) or its Messari project slug
        (bitwise-asset-management). Only the 1d granularity is available for
        this dataset.
      operationId: getETFProviderTimeseries
      parameters:
        - description: >-
            Blockworks Research provider slug (blackrock) or Messari project
            slug (bitwise-asset-management). Both resolve to the same series.
          in: path
          name: providerIdentifier
          required: true
          schema:
            type: string
            example: blackrock
        - description: Granularity
          in: path
          name: granularity
          required: true
          schema:
            enum:
              - 1d
            type: string
            example: 1d
            default: 1d
        - description: Time range start
          in: query
          name: start
          schema:
            type: string
            example: '2026-08-01T00:00:00Z'
        - description: Time range end
          in: query
          name: end
          schema:
            type: string
            example: '2026-08-21T00:00:00Z'
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    $ref: '#/components/schemas/TimeseriesData'
                  error:
                    type: string
                  metadata:
                    $ref: '#/components/schemas/metricsTimeseriesMetadata'
                required:
                  - data
                type: object
              example:
                error: null
                data:
                  points:
                    - - 1704844800
                      - 10449833
                      - 10449833
                      - 1
                      - 0.0025
                      - 1
                      - 1
                      - 10449833
                      - -0.9997965550229319
                    - - 1704931200
                      - 10635116
                      - 0
                      - 1
                      - 0.0025
                      - 1
                      - 1
                      - 10449833
                      - -0.999792947798234
                    - - 1705017600
                      - 114712330
                      - 104737345
                      - 1
                      - 0.0025
                      - 1
                      - 1
                      - 115187178
                      - -0.9977666966212494
                    - - 1705276800
                      - 114712330
                      - 0
                      - 1
                      - 0.0025
                      - 1
                      - 1
                      - 115187178
                      - -0.9977666966212494
                    - - 1705363200
                      - 494341368
                      - 381095835
                      - 1
                      - 0.0025
                      - 1
                      - 1
                      - 496283013
                      - -0.9903758013858617
                metadata:
                  pointSchemas:
                    - name: Timestamp
                      slug: time
                      description: Timestamp of the data point.
                      is_timestamp: true
                    - name: AUM (USD)
                      slug: aum-usd
                      description: >-
                        Assets under management across the provider's crypto ETF
                        products in USD. Sourced from Blockworks Research.
                      is_timestamp: false
                    - name: Flow (USD)
                      slug: flow-usd
                      description: >-
                        Daily net flow across the provider's crypto ETF products
                        in USD. Sourced from Blockworks Research.
                      is_timestamp: false
                    - name: Product Count
                      slug: num-products
                      description: >-
                        Number of active products with positive AUM. Sourced
                        from Blockworks Research.
                      is_timestamp: false
                    - name: Weighted Expense Ratio
                      slug: weighted-aum-expense-ratio
                      description: >-
                        AUM-weighted average expense ratio. Sourced from
                        Blockworks Research.
                      is_timestamp: false
                    - name: Bitcoin AUM Share
                      slug: bitcoin-aum-perc
                      description: >-
                        Share of AUM in bitcoin products (0-1). Sourced from
                        Blockworks Research.
                      is_timestamp: false
                    - name: Spot AUM Share
                      slug: spot-aum-perc
                      description: >-
                        Share of AUM in delta-one (spot) products (0-1). Sourced
                        from Blockworks Research.
                      is_timestamp: false
                    - name: Rolling 30d Flow (USD)
                      slug: rolling-30d-flow-usd
                      description: >-
                        Rolling 30-day net flow in USD. Sourced from Blockworks
                        Research.
                      is_timestamp: false
                    - name: AUM 30d Change
                      slug: aum-30d-change-perc
                      description: >-
                        AUM change versus 30 days ago as a ratio. Sourced from
                        Blockworks Research.
                      is_timestamp: false
                  granularity: 1d
          description: OK
        '400':
          content:
            application/json:
              schema:
                properties:
                  data: {}
                  error:
                    type: string
                required:
                  - data
                type: object
          description: Bad Request
        '401':
          content:
            application/json:
              schema:
                properties:
                  data: {}
                  error:
                    type: string
                required:
                  - data
                type: object
          description: Unauthorized
        '404':
          content:
            application/json:
              schema:
                properties:
                  data: {}
                  error:
                    type: string
                required:
                  - data
                type: object
          description: Not Found
        '500':
          content:
            application/json:
              schema:
                properties:
                  data: {}
                  error:
                    type: string
                required:
                  - data
                type: object
          description: Internal Server Error
      security:
        - apiKey: []
components:
  schemas:
    TimeseriesData:
      properties:
        points:
          items:
            items: {}
            type: array
          type: array
      required:
        - points
      type: object
    metricsTimeseriesMetadata:
      properties:
        granularity:
          enum:
            - 1m
            - 5m
            - 15m
            - 30m
            - 1h
            - 6h
            - 1d
            - 1w
            - 30d
            - 1q
            - 1y
          type: string
        pointSchemas:
          items:
            $ref: '#/components/schemas/metricsPointSchema'
          type: array
      required:
        - granularity
        - pointSchemas
      type: object
    metricsPointSchema:
      type: object
      description: Schema for metricsPointSchema
      properties: {}
      additionalProperties: true
  securitySchemes:
    apiKey:
      in: header
      name: X-Messari-API-Key
      type: apiKey

````