Eval runs
Get an iteration trace
Full trace envelope for one iteration: conversation messages, expected-vs-actual tool call analysis, and spans. The shape is rich and may evolve — treat it as an open document. Returns 404 with details.reason: "TRACE_NOT_AVAILABLE" when the iteration finished without a stored trace.
get/projects/{projectId}/eval-runs/{runId}/iterations/{iterationId}/trace
Path parameters
projectIdstring required
ID of the hosted project that contains the server.
runIdstring required
Eval run ID, as returned by POST /eval-runs.
iterationIdstring required
Iteration ID, as returned by the run's iterations list.
Response
The trace envelope.
object required
Trace document: messages, prompts (per-prompt expected/actual tool-call analysis), spans, and more.