---
title: "Submit Transaction"
method: POST
path: "/transaction/submit"
tags: ["Transaction"]
---

# Submit Transaction

`POST /transaction/submit`

Submits a signed transaction payload to the network.

## Request body

- TransactionSubmitRequest
  - `notarized_transaction_hex` string, required — Hex-encoded notarized transaction payload which can be submitted.

## Response `200`

Successful Submission

- TransactionSubmitResponse
  - `duplicate` boolean, required — Is true if the transaction is a duplicate of an existing pending transaction.

## Other responses

- `4XX` — Client-originated request error

## Changes

- **2024-05-14** `7601c23b1af1` — 1 info
  - added `AccountLockerNotFoundError` discriminator mapping keys to the `details` response property for the response status `4XX`

[Change history](https://skmtc.dev/radixdlt/apis/radix-gateway-api-babylon/changes/transaction/submit/post.md)

---

[API](https://skmtc.dev/radixdlt/apis/radix-gateway-api-babylon.md) · [All operations](https://skmtc.dev/radixdlt/apis/radix-gateway-api-babylon/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/radixdlt/radix-gateway-api-babylon/revisions/153aecf74342/schema)