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Overview

The Token Volume Index: settled daily token volume for the closed frontier labs (anthropic, openai, google). Each lab carries its volume indexed to 100 at its first settled day (growthIndex) and its share of the closed-lab daily total (share); the combined total rides alongside as totalGrowthIndex. Both startDate and endDate are required - the series is read over an explicit window. The window selects which days come back; baselines stay anchored to each lab’s first settled day in the full history, so overlapping windows return identical values for the same date. A lab that settled no volume on a day is left out of that day’s labs array rather than reported as zero. Daily grain only. Requires an API key - like the Workload Cost Index, no part of this dataset has a free tier.

Authorizations

Authorization
string
header
required

API key passed as a Bearer token. Create one in the dashboard.

Query Parameters

startDate
string
required

Inclusive start of the settlement-date window in YYYY-MM-DD.

Example:

"2026-07-01"

endDate
string
required

Inclusive end of the settlement-date window in YYYY-MM-DD.

Example:

"2026-07-31"

Response

One row per settlement day, each carrying the labs that settled volume that day.