---
title: "Run echeck transaction with iframe"
method: GET
path: "/pay/v3/processECheck"
tags: ["Ecommerce"]
---

# Run echeck transaction with iframe

`GET /pay/v3/processECheck`

Returns an iframe that can be used to securely process an echeck transaction.

For instructions on how to implement this endpoint, see the [Creating an echeck checkout page with the iframe](https://docs.nexiopay.com/docs/creating-an-echeck-checkout-page-with-the-iframe) topic.

<!-- theme: warning -->
> ⚠️ Try It
> 
> To use the Try It feature for this endpoint, you must first request a [one-time-use token](https://docs.nexiopay.com/reference/createonetimeusetoken). The system uses the processing and UI options sent in the request for the creation of the one-time-use or saved echeck token in the display and functionality of the iframe.

<div style="display:none;">

## Request parameters
- shouldReturnHtml
- token

## Response parameters
- HTML form

</div>

## Query parameters

- `token` string, required
- `shouldReturnHtml` string

## Response `200`

Success

## Other responses

- `401` — Unauthorized. For help with this error and other error codes, see [Common errors](https://docs.nexiopay.com/docs/common-errors) in the Guides area.

---

[API](https://skmtc.dev/nexiopay/apis/payments-api-reference.md) · [All operations](https://skmtc.dev/nexiopay/apis/payments-api-reference/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nexiopay/payments-api-reference/revisions/b414b73979e5/schema)