---
title: "Validate Agent Spec flow on runtime"
description: "Validate an Agent Spec flow specification against the runtime\nwithout executing it. Checks for structural correctness,\nvalid node references, and property compatibility.\n"
source: https://flowdrop.io/docs/api/agent-spec/agentSpecValidateFlow
site: FlowDrop documentation
---
# Validate Agent Spec flow on runtime
`POST /agentspec/flows/validate`

Validate an Agent Spec flow specification against the runtime
without executing it. Checks for structural correctness,
valid node references, and property compatibility.

## Request body

- `application/json` — AgentSpecFlow

## Responses

- `200` — Validation result (`application/json`: AgentSpecRuntimeValidation)
- `400` — Bad request - invalid parameters or request body (`application/json`: ErrorResponse)
- `500` — Internal server error (`application/json`: ErrorResponse)

*Tags: Agent Spec*