---
title: "TypeSafe System One compatible evaluation"
method: POST
path: "/v1/systemone"
tags: ["Evaluation"]
---

# TypeSafe System One compatible evaluation

`POST /v1/systemone`

## Request

- Base URL: `https://api.neosantara.xyz`
- URL: `https://api.neosantara.xyz/v1/systemone`
- Auth: HTTP bearer

TypeSafe System One wire format (POST /v1/systemone). Point typesafe_sdk or dspy.experimental.TypeSafe at the Neosantara base URL to run Jev with a Neosantara API key.

## Request body

- object
  - `model` string
  - `state` union, required
    - string
    - object
    - unknown[]
      - unknown
  - `questions` object, required

## Response `200`

Successful System One result

- object
  - `model` string, required
  - `answers` object, required
  - `usage` object, required
    - `input_tokens` integer, required
    - `output_tokens` integer, required

## Other responses

- `400`: Invalid request payload or question format
- `404`: Model not found
- `500`: Internal server error
- `503`: Upstream evaluation service unavailable

## Changes

- **2026-11-03** `f87af696a63e`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/neosantara/apis/neosantara-ai-api/changes/v1/systemone/post.md)

---

[API](https://skmtc.dev/neosantara/apis/neosantara-ai-api.md) - [All operations](https://skmtc.dev/neosantara/apis/neosantara-ai-api/llms.txt) - [OpenAPI document](https://skmtc.dev/neosantara/apis/neosantara-ai-api/revisions/f87af696a63e?raw)