---
title: "Execute action-advancement evaluator"
method: POST
path: "/v2/evaluators/action-advancement/execute"
tags: ["evaluators"]
---

# Execute action-advancement evaluator

`POST /v2/evaluators/action-advancement/execute`

Measure whether the assistant made progress toward at least one user goal in a conversation

**Request Body:**
- `input.messages` (string, required): JSON array of the conversation messages assembled from the trace

## Request body

- RequestActionAdvancementRequest
  - `input` RequestActionAdvancementInput, required
    - `messages` string, required

## Response `200`

OK

- ResponseActionAdvancementResponse
  - `pass` boolean
  - `reason` string

## Other responses

- `400` — Bad Request
- `500` — Internal Server Error

---

[API](https://skmtc.net/traceloop/apis/traceloop-api.md) · [All operations](https://skmtc.net/traceloop/apis/traceloop-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/traceloop/traceloop-api/versions/9c12a04a5947/schema)