---
title: "POST /v2/tx/submit"
method: POST
path: "/v2/tx/submit"
tags: ["Transaction"]
---

# POST /v2/tx/submit

`POST /v2/tx/submit`

Submit a signed base64 encoded transaction to be broadcast to the specified network. On successful submission, the status of the transaction and any subsequent IBC or Axelar transfers can be queried through the /status endpoint.

## Request body

- SubmitTxRequest
  - `tx` string — Signed base64 encoded transaction
  - `chain_id` string — Chain ID of the transaction

## Response `200`

The hash of the transaction.

- object
  - `tx_hash` string — Hash of the transaction
  - `explorer_link` string — Link to the transaction on the relevant block explorer

## Other responses

- `400` — The request was invalid, i.e. the submitted transaction was malformed or fails on execution.
- `404` — The specified chain is not supported.
- `500` — Internal server error

## Changes

- **2025-08-15** `668c826e2588` — 3 warning
  - added the new `HIGH_LOSS_ERROR` enum value to the `details/items/reason` response property for the response status `400`
  - added the new `HIGH_LOSS_ERROR` enum value to the `details/items/reason` response property for the response status `404`
  - added the new `HIGH_LOSS_ERROR` enum value to the `details/items/reason` response property for the response status `500`
- **2025-05-20** `6ba512ad5ec2` — 1 info
  - api operation id `submitTransactionV2` removed and replaced with `submit`
- **2025-04-29** `41d672a22597` — 4 info
  - api operation id `submit` removed and replaced with `submitTransactionV2`
  - removed the `HIGH_LOSS_ERROR` enum value from the `details/items/reason` response property for the response status `400`
  - removed the `HIGH_LOSS_ERROR` enum value from the `details/items/reason` response property for the response status `404`
  - removed the `HIGH_LOSS_ERROR` enum value from the `details/items/reason` response property for the response status `500`

[Change history](https://skmtc.dev/skip-mev/apis/skip-go-api/changes/v2/tx/submit/post.md)

---

[API](https://skmtc.dev/skip-mev/apis/skip-go-api.md) · [All operations](https://skmtc.dev/skip-mev/apis/skip-go-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/skip-mev/skip-go-api/revisions/fd713a1d0418/schema)