---
title: "Validate a payload against the workflow's triggerSchema (no run)"
method: POST
path: "/api/workflows/{id}/trigger/validate"
tags: ["Workflows"]
---

# Validate a payload against the workflow's triggerSchema (no run)

`POST /api/workflows/{id}/trigger/validate`

## Path parameters

- `id` string, required

## Response `200`

Payload matches the workflow's triggerSchema (or workflow has none)

- object
  - `valid` true, required
  - `schema` unknown

## Other responses

- `400` — Payload failed validation; body matches the TriggerSchemaError contract
- `404` — Workflow not found

## Changes

- **2026-08-07** `06cac6a7c5bc` — 3 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`
  - added the media type `application/json` for the response with the status `404`

[Change history](https://skmtc.dev/desplega-ai/apis/agent-swarm-api/changes/api/workflows/:id/trigger/validate/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/81df4899bc59/schema)