---
title: "Register ACH account"
method: POST
path: "/v2/accounts/{accountId}/bank-accounts/ach"
tags: ["Bank accounts"]
---

# Register ACH account

`POST /v2/accounts/{accountId}/bank-accounts/ach`

Register a new Automated Clearing House (ACH) bank account. 

ACH is an electronic network for financial transactions in the United States. ACH processes large volumes of credit and debit transactions in batches.

To read about Pismo's banking offerings, see [Banking overview](https://developers.pismo.io/pismo-docs/docs/banking-overview).

This endpoint generates a [Bank account registered](https://developers.pismo.io/events/docs/intl-bankaccounts-intl-bankaccount-register-1) event.

## Path parameters

- `accountId` string, required

## Headers

- `Authorization` string, required

## Request body

- IntlbankaccountsIntlBankAccountAchRequest
  - `scheme` IntlbankaccountsAchScheme, required
    - `account_number` string, required — Account number
    - `routing_number` string, required — A routing number is a nine-digit number used to identify a financial institution in the United States. It is also known as an ABA (American Bankers Association) number.
  - `metadata` Metadata — A set of key-value pairs used to store custom data or additional information.<br> **Note**: This field must not be used to send Personally Identifiable Information (PII), Payment Card Industry (PCI) data, or any sensitive/regulated information. Metadata fields are intended for operational, non-sensitive data only. For sensitive data, use the specific parameters designed for that purpose. For more information, refer to [Get started with Pismo APIs](https://developers.pismo.io/pismo-docs/reference/get-started-with-pismo-apis).

## Response `201`

Response body

- IntlbankaccountsIntlBankAccountAchResponse
  - `account_id` integer — Account ID
  - `creation_datetime` string, date-time — Account creation date time displayed in ISO 8601 format `2023-04-12T23:20:50.52Z`.
  - `metadata` Metadata — A set of key-value pairs used to store custom data or additional information.<br> **Note**: This field must not be used to send Personally Identifiable Information (PII), Payment Card Industry (PCI) data, or any sensitive/regulated information. Metadata fields are intended for operational, non-sensitive data only. For sensitive data, use the specific parameters designed for that purpose. For more information, refer to [Get started with Pismo APIs](https://developers.pismo.io/pismo-docs/reference/get-started-with-pismo-apis).
  - `scheme` IntlbankaccountsAchScheme, required
    - `account_number` string, required — Account number
    - `routing_number` string, required — A routing number is a nine-digit number used to identify a financial institution in the United States. It is also known as an ABA (American Bankers Association) number.

## Other responses

- `400` — Bad Request
- `403` — Forbidden
- `404` — Not Found
- `409` — Conflict
- `500` — Internal Server

---

[API](https://skmtc.net/pismo/apis/platform-authentication.md) · [All operations](https://skmtc.net/pismo/apis/platform-authentication/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/pismo/platform-authentication/revisions/935b62e16de4/schema)