---
title: "Changes to Sandbox: Mail a Checkbook"
method: POST
path: "/simulations/checkbooks/{checkbook_id}/mail"
---

# Changes to Sandbox: Mail a Checkbook

`POST /simulations/checkbooks/{checkbook_id}/mail`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 125 revisions.

- **2026-11-07** `1fd30bec4150`: 1 info

## Changes

- **2026-11-07** `1fd30bec4150`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/increase/apis/increase-api-2/docs/simulations/checkbooks/:checkbook_id/mail/post.md) - [API](https://skmtc.dev/increase/apis/increase-api-2.md) - [Page](https://skmtc.dev/increase/apis/increase-api-2/changes/simulations/checkbooks/:checkbook_id/mail/post)