---
title: "Register Grader"
method: POST
path: "/api/v1/benchmarks/graders/{grader_id}/register"
tags: ["benchmarks"]
---

# Register Grader

`POST /api/v1/benchmarks/graders/{grader_id}/register`

Finalize an uploaded grader into an org registry row (deduped by content hash).

## Path parameters

- `grader_id` string, required

## Request body

- RegisterGraderRequest
  - `type` 'in_container_verifier' | 'llm_judge' | 'code' | 'model', required
  - `ref` string, required
  - `version` string
  - `reward_schema` object, nullable
  - `config` object
  - `entrypoint` string, nullable
  - `timeout_seconds` number, nullable

## Response `201`

Successful Response

- Grader
  - `grader_id` string, required
  - `organization_id` string, required
  - `type` string, required
  - `ref` string, required
  - `version` string, nullable
  - `reward_schema` object, nullable
  - `config` object
  - `artifact_uri` string, nullable
  - `entrypoint` string, nullable
  - `timeout_seconds` number, nullable
  - `content_hash` string, nullable
  - `created_at` string, date-time, required

---

[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)