---
title: "Fetch Evaluator Catalog Template"
method: GET
path: "/evaluators/catalog/templates/{template_key}"
tags: ["Evaluators"]
---

# Fetch Evaluator Catalog Template

`GET /evaluators/catalog/templates/{template_key}`

Fetch one evaluator template by key.

Returns an empty envelope (`count: 0`) when no template matches
the key. Template keys come from
`GET /catalog/templates/`.

## Path parameters

- `template_key` string, required

## Response `200`

Successful Response

- EvaluatorCatalogTemplateResponse — Envelope for a single catalog template.
  - `count` integer — 1 when a template is returned, 0 otherwise.
  - `template` EvaluatorCatalogTemplate
    - `name` string, nullable
    - `description` string, nullable
    - `key` string, required
    - `slug` string, nullable
    - `categories` string[], nullable
    - `flags` WorkflowCatalogFlags
      - `is_application` boolean
      - `is_evaluator` boolean
      - `is_snippet` boolean
      - `is_archived` boolean
      - `is_recommended` boolean
    - `data` WorkflowRevisionDataOutput
      - `uri` string, nullable
      - `url` string, nullable
      - `headers` object, nullable
      - `runtime` 'python' | 'typescript' | 'javascript', nullable
      - `script` string, nullable
      - `schemas` JsonSchemasOutput
        - `parameters` object, nullable
        - `inputs` object, nullable
        - `outputs` object, nullable
      - `parameters` object, nullable

## Other responses

- `422` — Validation Error

## Changes

- **2026-07-25** `5a14788d939f` — 1 info
  - added the optional property `template/anyOf[subschema #1: EvaluatorCatalogTemplate]/slug` to the response with the `200` status
- **2026-05-19** `a7f9a6823230` — 2 warning
  - removed the optional property `support_id` from the response with the `200` status
  - removed the optional property `support_ts` from the response with the `200` status
- **2026-05-07** `dc41a70e3ad8` — 2 info
  - added `#/components/schemas/Reference` to the `template/anyOf[subschema #1: EvaluatorCatalogTemplate]/data/anyOf[subschema #1: WorkflowRevisionData]/headers/anyOf[subschema #1]/additionalProperties/` response property `anyOf` list for the response status `200`
  - removed `#/components/schemas/agenta__sdk__models__shared__Reference` from the `template/anyOf[subschema #1: EvaluatorCatalogTemplate]/data/anyOf[subschema #1: WorkflowRevisionData]/headers/anyOf[subschema #1]/additionalProperties/` response property `anyOf` list for the response status `200`
- **2026-04-23** `925e8b901a26` — 2 info
  - added the optional property `support_id` to the response with the `200` status
  - added the optional property `support_ts` to the response with the `200` status
- **2026-04-16** `8b06b786c977` — 1 info
  - endpoint added

[Full history](https://skmtc.dev/agenta-ai/apis/agenta-api/changes/evaluators/catalog/templates/:template_key/get.md)

---

[API](https://skmtc.dev/agenta-ai/apis/agenta-api.md) · [All operations](https://skmtc.dev/agenta-ai/apis/agenta-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/agenta-ai/agenta-api/revisions/713e4f3b7519/schema)