---
title: "Changes to Experimental Run Flow"
method: POST
path: "/api/v1/run/advanced/{flow_id_or_name}"
---

# Changes to Experimental Run Flow

`POST /api/v1/run/advanced/{flow_id_or_name}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 4 of 21 revisions.

- **2026-06-08** `a5c4fa6a88f7` — 1 warning, 1 info
- **2026-04-13** `acd160326a88` — 1 info
- **2026-03-12** `830c31118215` — 2 info
- **2025-10-16** `9bd3e81318d7` — 2 breaking, 3 warning, 3 info

## Changes

- **2026-06-08** `a5c4fa6a88f7` — 1 warning, 1 info
  - deleted the `query` request parameter `user_id`
  - request property `tweaks/anyOf[subschema #1: Tweaks]/additionalProperties/` list-of-types was widened by adding types `boolean, integer and number` to media type `application/json`
- **2026-04-13** `acd160326a88` — 1 info
  - added the optional property `outputs/anyOf[subschema #1]/items/outputs/items/anyOf[subschema #1: ResultData]/token_usage` to the response with the `200` status
- **2026-03-12** `830c31118215` — 2 info
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2025-10-16** `9bd3e81318d7` — 2 breaking, 3 warning, 3 info
  - for the `path` request parameter `flow_id_or_name`, the type/format was changed from `string`/`` to `string`/`uuid`
  - request property `tweaks/anyOf[subschema #1: Tweaks]/additionalProperties/` list-of-types was narrowed by removing types `boolean, integer and number` from media type `application/json`
  - removed the request property `inputs/anyOf[subschema #1]/items/client_request_time`
  - removed the optional property `detail/items/ctx` from the response with the `422` status
  - removed the optional property `detail/items/input` from the response with the `422` status
  - api operation id `experimental_run_flow_api_v1_run_advanced__flow_id_or_name__post` removed and replaced with `experimental_run_flow_api_v1_run_advanced__flow_id__post`
  - added `#/components/schemas/ResultData-Output` to the `outputs/anyOf[subschema #1]/items/outputs/items/` response property `anyOf` list for the response status `200`
  - removed `#/components/schemas/ResultData` from the `outputs/anyOf[subschema #1]/items/outputs/items/` response property `anyOf` list for the response status `200`

---

[Operation](https://skmtc.dev/langflow-ai/apis/langflow/docs/api/v1/run/advanced/:flow_id_or_name/post.md) · [API](https://skmtc.dev/langflow-ai/apis/langflow.md) · [Page](https://skmtc.dev/langflow-ai/apis/langflow/changes/api/v1/run/advanced/:flow_id_or_name/post)