---
title: "Index levels"
method: GET
path: "/timeseries-stream/index-levels"
tags: ["Timeseries stream"]
---

# Index levels

`GET /timeseries-stream/index-levels`

Returns a stream of levels for specified indexes.<br/> If you are falling behind (slow client) you will get `warning` message first, then `error` message and disconnect will happen.

## Query parameters

- `indexes` string[], required
- `include_verification` boolean
- `backfill` 'latest' | 'none'
- `pretty` boolean

## Response `200`

Index levels WebSocket message.

- StreamingIndexLevel — Information about index level.
  - `index` string, required — Name of the index.
  - `time` string, required — The time in ISO 8601 date-time format. Always with nanoseconds precision.
  - `level` string, required — The value of the index.
  - `verification` Verification — Information about verification.
    - `timestamp` string — The verification time of the index.
    - `level` string — The verification value of the index.
    - `signature` string, required — The signature information.
  - `cm_sequence_id` string, required — The monotonically increasing message number, resets on disconnection.

## Other responses

- `401` — Requested resource requires authorization.
- `403` — Requested resource is not available with supplied credentials.
- `414` — Provided URI is too long. It must not be greater than 10000 symbols.

---

[API](https://skmtc.net/coinmetrics/apis/coin-metrics-api-v4.md) · [All operations](https://skmtc.net/coinmetrics/apis/coin-metrics-api-v4/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/coinmetrics/coin-metrics-api-v4/revisions/774268c0a4fe/schema)