---
title: "Build Benchmark Images"
method: POST
path: "/api/v1/benchmarks/{bench_id}/images/build"
tags: ["benchmarks"]
---

# Build Benchmark Images

`POST /api/v1/benchmarks/{bench_id}/images/build`

Trigger provider image builds (Runloop blueprints) for every unbuilt task image of the bench. Build completion is asynchronous; poll listBenchmarkImages until every row reports build_status=ready.

## Path parameters

- `bench_id` string, required

## Response `200`

Successful Response

- BenchmarkImagesResponse
  - `bench_id` string, required
  - `images` BenchmarkImage[], required
    - `task_id` string, required
    - `provider` string, required
    - `provider_ref` string, nullable
    - `dockerfile_uri` string, nullable
    - `build_status` string, nullable

---

[API](https://skmtc.dev/trajectory/apis/trajectory-api.md) · [All operations](https://skmtc.dev/trajectory/apis/trajectory-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/trajectory/trajectory-api/revisions/d930b23b9602/schema)