---
title: "Start Evaluation Run"
method: POST
path: "/api/workspaces/{workspace_id}/evaluation/runs"
---

# Start Evaluation Run

`POST /api/workspaces/{workspace_id}/evaluation/runs`

## Request

- Base URL: `https://api.outcallerai.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.outcallerai.com/api/workspaces/{workspace_id}/evaluation/runs`
- Auth: none declared

## Path parameters

- `workspace_id` string, required

## Request body

- StartEvaluationRunRequest
  - `useCaseId` string, required
  - `agentId` string, nullable
  - `personaIds` string[], required
  - `scenarioIds` string[], required
  - `name` string, nullable
  - `callingMethod` 'plivo' | 'webrtc'

## Response `201`

Successful Response

- EvaluationRunResponse
  - `id` string, required
  - `workspaceId` string, required
  - `useCaseId` string, required
  - `useCaseName` string, nullable
  - `agentId` string, nullable
  - `name` string, nullable
  - `callingMethod` 'plivo' | 'webrtc'
  - `status` string, required
  - `startedAt` string, date-time, nullable
  - `completedAt` string, date-time, nullable
  - `results` EvaluationResultResponse[]
    - `id` string, required
    - `runId` string, required
    - `personaId` string, required
    - `scenarioId` string, required
    - `personaName` string, nullable
    - `scenarioName` string, nullable
    - `status` string, required
    - `leadId` string, nullable
    - `callId` string, nullable
    - `transcript` string, nullable
    - `score` number, nullable
    - `passed` boolean, nullable
    - `evaluationNotes` string, nullable
    - `suggestions` unknown
    - `criteriaResults` unknown
    - `startedAt` string, date-time, nullable
    - `completedAt` string, date-time, nullable
    - `createdAt` string, date-time, required
    - `updatedAt` string, date-time, required
  - `passCount` integer
  - `failCount` integer
  - `totalCount` integer
  - `createdAt` string, date-time, required
  - `updatedAt` string, date-time, required

## Other responses

- `422`: Validation Error

## Changes

- **2026-09-29** `75cf68016830`: 2 info
  - added the new optional request property `callingMethod`
  - added the optional property `callingMethod` to the response with the `201` status
- **2026-07-31** `7c9aff2501f3`: 2 breaking, 2 warning, 2 info
  - added the new required request property `useCaseId`
  - removed the required property `campaignId` from the response with the `201` status
  - removed the request property `campaignId`
  - removed the optional property `campaignName` from the response with the `201` status
  - …2 more

[Operation history](https://skmtc.dev/outcallerai/apis/outcallerai-api/changes/api/workspaces/:workspace_id/evaluation/runs/post.md)

---

[API](https://skmtc.dev/outcallerai/apis/outcallerai-api.md) - [All operations](https://skmtc.dev/outcallerai/apis/outcallerai-api/llms.txt) - [OpenAPI document](https://skmtc.dev/outcallerai/apis/outcallerai-api/revisions/40736cf433b4?raw)