---
title: "Replay Trigger Event"
method: POST
path: "/api/v1/triggers/{trigger_id}/replay"
tags: ["Triggers"]
---

# Replay Trigger Event

`POST /api/v1/triggers/{trigger_id}/replay`

## Request

- The document declares no server URL.
- Auth: one of:
  - OAuth 2
    - Password
    - Token URL: `api/v1/login`
  - API key in query parameter `x-api-key`
  - API key in header `x-api-key`

Re-run one ledger row as a new, linked event.

Replay costs a flow execution, so it needs flow execute — the same ceiling
as pressing Run.

## Path parameters

- `trigger_id` string, uuid, required

## Request body

- TriggerReplayRequest: Replay one ledger row as a new, linked event.
  - `event_id` string, uuid, required

## Response `202`

Successful Response

- TriggerEventRead
  - `attempt` integer, required
  - `available_at` string, date-time, nullable, required
  - `created_at` string, date-time, nullable, required
  - `dedupe_key` string, required
  - `error` string, nullable, required
  - `id` string, uuid, required
  - `job_id` string, uuid, nullable, required
  - `payload` object, required
  - `replay_of_event_id` string, uuid, nullable, required
  - `session_id` string, nullable, required
  - `state` string, required
  - `trigger_id` string, uuid, required
  - `updated_at` string, date-time, nullable, required

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-21** `4349fbe90c64`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/langflow-ai/apis/langflow/changes/api/v1/triggers/:trigger_id/replay/post.md)

---

[API](https://skmtc.dev/langflow-ai/apis/langflow.md) - [All operations](https://skmtc.dev/langflow-ai/apis/langflow/llms.txt) - [OpenAPI document](https://skmtc.dev/langflow-ai/apis/langflow/revisions/4349fbe90c64?raw)