---
title: "Create MX bank account (business)"
method: POST
path: "/money/accounts/bank_accounts/mx"
tags: ["money", "accounts"]
---

# Create MX bank account (business)

`POST /money/accounts/bank_accounts/mx`

## Request

- Base URL: `https://api.stablesea.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.stablesea.com/money/accounts/bank_accounts/mx`
- Auth: none declared. Required headers: `Idempotency-Key`

Business-scoped creation of an MX (CLABE) bank money account. Requires bank_account_add.

## Headers

- `Idempotency-Key` string, required: Required client idempotency key; a duplicate submission with the same key is rejected with 409.

## Request body

- MoneyAccountsCreateMXBankAccountInput
  - `account_holder_first_name` string, required
  - `account_holder_last_name` string, required
  - `beneficiary_type` 'self' | 'third_party', nullable
  - `clabe` string, required
  - `doc_id` string
  - `legal_entity_name` string, required

## Response `200`

OK

- MoneyAccountsCreateMXBankAccountOutput
  - `account_id` string
  - `status` 'enabled' | 'disabled'
  - `symbol` string

## Other responses

- `default`: Error response.

## Changes

- **2026-10-29** `e003c8a67b62`: 1 info
  - added the optional property `error/authorization` to the response with the `default` status
- **2026-09-01** `f2d9f80610d9`: 1 info
  - added the optional property `error/api_client_id` to the response with the `default` status
- **2026-08-15** `06167cc3c94e`: 1 warning
  - removed the request property `money_account_id`
- **2026-08-06** `fe2041c5ba86`: 1 breaking, 1 info
  - added the pattern `^$|^mny_[0-7][0-9a-hjkmnp-tv-z]{25}$` to the request property `money_account_id`
  - the `account_id` response's property pattern was changed from `^mny_[0-9a-hjkmnp-tv-z]{26}$` to `^mny_[0-7][0-9a-hjkmnp-tv-z]{25}$` for the status `200`

[Operation history](https://skmtc.dev/stablesea/apis/stable-sea-backend/changes/money/accounts/bank_accounts/mx/post.md)

---

[API](https://skmtc.dev/stablesea/apis/stable-sea-backend.md) - [All operations](https://skmtc.dev/stablesea/apis/stable-sea-backend/llms.txt) - [OpenAPI document](https://skmtc.dev/stablesea/apis/stable-sea-backend/revisions/772c80d83658?raw)