---
title: "POST /v1/RawMessages/{instance}/{session}"
method: POST
path: "/v1/RawMessages/{instance}/{session}"
tags: ["RawMessages"]
---

# POST /v1/RawMessages/{instance}/{session}

`POST /v1/RawMessages/{instance}/{session}`

## Request

- Base URL: `https://app.fixsim.com`
- URL: `https://app.fixsim.com/v1/RawMessages/{instance}/{session}`
- Auth: none declared

## Path parameters

- `instance` string, required
- `session` string, required

## Request body

- RawMessage
  - `FIXMessages` string[]

## Response `204`

No Content

---

[API](https://skmtc.dev/fixsim/apis/fixsim-web-api-beta.md) · [All operations](https://skmtc.dev/fixsim/apis/fixsim-web-api-beta/llms.txt) · [OpenAPI document](https://skmtc.dev/fixsim/apis/fixsim-web-api-beta/revisions/4dd9d40b01d6?raw)