---
title: "Trigger a new evaluation run against a suite"
method: POST
path: "/v1/knowledge-base/evals/suites/{suite_id}/runs"
tags: ["knowledge-base-evals"]
---

# Trigger a new evaluation run against a suite

`POST /v1/knowledge-base/evals/suites/{suite_id}/runs`

## Request

- The document declares no server URL.
- Auth: API key in header `x-api-key`
- TypeScript: <https://skmtc.dev/oneloop-hq/apis/feather-api/docs/v1/knowledge-base/evals/suites/:suite_id/runs/post.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `suite_id` string, uuid, required

## Request body

- KBEvalRunCreate
  - `kb_ids` string[], required
  - `prefer_draft` boolean
  - `version_overrides` object, nullable
  - `generator_model_override` string, nullable
  - `judge_model_override` string, nullable

## Response `201`

Successful Response

- KBEvalRunCreateResponse
  - `run_id` string, uuid, required
  - `status` string, required

## Other responses

- `400`: Bad request
- `401`: Authentication required
- `404`: Resource not found
- `409`: An in-flight run with the same config already exists.
- `422`: Validation Error

## Changes

- **2026-08-12** `5a5597ebb2d6`: 6 info
  - added the optional property `retry_after` to the response with the `400` status
  - added the optional property `retry_after` to the response with the `401` status
  - added the optional property `retry_after` to the response with the `404` status
  - added the optional property `retryable` to the response with the `400` status
  - …2 more

[Operation history](https://skmtc.dev/oneloop-hq/apis/feather-api/changes/v1/knowledge-base/evals/suites/:suite_id/runs/post.md)

---

[API](https://skmtc.dev/oneloop-hq/apis/feather-api.md) - [All operations](https://skmtc.dev/oneloop-hq/apis/feather-api/llms.txt) - [OpenAPI document](https://skmtc.dev/oneloop-hq/apis/feather-api/revisions/9cd7291d4228?raw)