---
title: "Confirm Quote"
method: PUT
path: "/communications/quotes/{quote_id}/confirm"
tags: ["communications"]
deprecated: true
---

# Confirm Quote

`PUT /communications/quotes/{quote_id}/confirm`

## Request

- Base URL: `https://external-api.kalshi.com/trade-api/v2`
- URL: `https://external-api.kalshi.com/trade-api/v2/communications/quotes/{quote_id}/confirm`
- Auth: API key in header `KALSHI-ACCESS-KEY` and API key in header `KALSHI-ACCESS-SIGNATURE` and API key in header `KALSHI-ACCESS-TIMESTAMP`

> **Deprecated.**

DEPRECATED: Use PUT /communications/rfqs/{rfq_id}/quotes/{quote_id}/confirm instead. Endpoint for confirming a quote. This will start a timer for order execution.

## Path parameters

- `quote_id` string, required

## Request body

- EmptyResponse: An empty response body

## Response `204`

Quote confirmed successfully

## Other responses

- `400`: Bad request - invalid input
- `401`: Unauthorized - authentication required
- `404`: Resource not found
- `500`: Internal server error

## Changes

- **2026-09-15** `75098a17c536`: 1 info
  - added the non-success response with the status `400`
- **2026-07-31** `a07481be8bf9`: 3 warning
  - removed the optional property `service` from the response with the `401` status
  - removed the optional property `service` from the response with the `404` status
  - removed the optional property `service` from the response with the `500` status
- **2026-07-13** `a671b3e77f35`: 1 info
  - endpoint deprecated
- **2025-12-02** `02c9ca7d135f`: 1 info
  - added optional request body
- **2025-11-06** `6ad7527f54aa`: 4 info
  - the endpoint scheme security `kalshiAccessKey AND kalshiAccessSignature AND kalshiAccessTimestamp` was added to the API
  - added the non-success response with the status `401`
  - added the non-success response with the status `404`
  - added the non-success response with the status `500`

[Operation history](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/changes/communications/quotes/:quote_id/confirm/put.md)

---

[API](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints.md) - [All operations](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/llms.txt) - [OpenAPI document](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/revisions/e6691cdd1915?raw)