HTTP API
ToolCallUsage
A non-token measurement and its cost: one tool call’s, or one item a workflow function node reported.
Shape: object
| Property | Required | Type | Description | Rules |
|---|---|---|---|---|
unit |
yes | string |
The measurement unit. See ToolUsageUnits for known values. | — |
quantity |
yes | number (double) |
The billed quantity. | pattern `^-?(?:0\ |
cost |
no | number (double) |
The computed amount. Stays null if the configuration has no price for this tool — not zero. |
pattern `^-?(?:0\ |
currency |
no | string |
The currency of Cost. Comes from Tracon:Pricing:Currency for Tracon’s own tools. |
— |
isEstimated |
no | boolean |
Whether the quantity was measured or estimated. | — |
provider |
no | string |
The provider that did the work (for example elevenlabs), or null when the reporter does not name one. |
— |
model |
no | string |
The model that did the work (for example eleven_multilingual_v2), or null when the reporter does not name one. |
— |