---
title: "Dry-run render a template with provided variables"
method: POST
path: "/api/prompt-templates/preview"
tags: ["PromptTemplates"]
---

# Dry-run render a template with provided variables

`POST /api/prompt-templates/preview`

## Request body

- object
  - `eventType` string, required
  - `body` string
  - `variables` object

## Response `200`

Rendered template preview

- object
  - `rendered` string, required
  - `unresolved` string[], required

## Other responses

- `400` — Validation error

## Changes

- **2026-08-07** `06cac6a7c5bc` — 2 info
  - added the media type `application/json` for the response with the status `200`
  - added the media type `application/json` for the response with the status `400`

[Change history](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/changes/api/prompt-templates/preview/post.md)

---

[API](https://skmtc.dev/desplega-ai/apis/agent-swarm-api.md) · [All operations](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/desplega-ai/agent-swarm-api/revisions/8cde933218b5/schema)