---
title: "Add an item to a simulation suite"
method: POST
path: "/v1/sim-suites/{suite_id}/items"
tags: ["sim_suites"]
---

# Add an item to a simulation suite

`POST /v1/sim-suites/{suite_id}/items`

## Path parameters

- `suite_id` string, uuid, required

## Request body

- SimulationSuiteItemCreate
  - `persona_id` string, uuid, required
  - `scenario_id` string, uuid, required

## Response `201`

Successful Response

- SimulationSuiteItemResponse
  - `id` string, uuid, required
  - `suite_id` string, uuid, required
  - `persona_id` string, uuid, required
  - `scenario_id` string, uuid, required
  - `created_at` string, date-time, required

## Other responses

- `400` — Bad request
- `401` — Authentication required
- `404` — Resource not found
- `422` — Validation Error

## Changes

- **2026-08-12** `5a5597ebb2d6` — 6 info
  - added the optional property `retry_after` to the response with the `400` status
  - added the optional property `retry_after` to the response with the `401` status
  - added the optional property `retry_after` to the response with the `404` status
  - added the optional property `retryable` to the response with the `400` status
  - …2 more

[Change history](https://skmtc.dev/oneloop-hq/apis/feather-api/changes/v1/sim-suites/:suite_id/items/post.md)

---

[API](https://skmtc.dev/oneloop-hq/apis/feather-api.md) · [All operations](https://skmtc.dev/oneloop-hq/apis/feather-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/oneloop-hq/feather-api/revisions/9cd7291d4228/schema)