---
id: docs.changelog
title: "Changelog"
canonical: https://docs.secureprocessing.app/changelog
last_verified: 2026-11-01
---

# Changelog

What changed in the API, the SDK and these docs.

## 1 November 2026

- **API.** `POST /v1/payment_intents/search` finds a payment by an email address, the last four digits of the card or a bank reference. It is a POST so that what you search for is never in a URL.
- **API.** `GET /v1/application_fees` and `POST /v1/application_fees/:id/refunds`, for a platform's own fees. `refund_application_fee` on a refund returns the fee's share of that refund. New events: `application_fee.created` and `application_fee.refunded`.
- **API.** A platform making a payment as a connected account can set `application_fee_amount`, on the payment or at capture. It moves when the payment does, and becomes available when the payment does.
- **API.** Every event now has `account`, the account it happened on. Webhook endpoints can be created with `connect: true` to receive your connected accounts' events, in the endpoint's own mode only. New event types: `capability.updated` and `account.application.rejected`.
- **API.** A platform's test key reading one of its real connected accounts now gets `null` for `live_enabled`, `capabilities`, `details_submitted`, `application_status`, `requirements`, `metadata`, `business_profile.mcc` and `business_profile.support_email`, and no reason on `platform_rejection`. A test key reads test-mode information only, so check for `null` before reading these. `charges_enabled` is unchanged and still answers for test mode. A live key reads the account as before.
- **Docs.** Five tabs and a new home page. The Introduction is now at [/developers](https://docs.secureprocessing.app/developers.md), and links to its old sections still arrive.
- **Docs.** Every page is available as Markdown: add `.md` to its address, or send `Accept: text/markdown`. [llms.txt](https://docs.secureprocessing.app/llms.txt) lists them all.

## 31 October 2026

- **SDK 0.2.1.** Adds `isRefundNotYetPossible` to the error class, and the [test cards](https://docs.secureprocessing.app/test-cards.md) the bank's sandbox uses today.
- **SDK 0.2.0.** Covers every call these docs show; the first release had only twelve of them. Types now reach Deno without a `@deno-types` line.

## 21 September 2026

- **SDK 0.1.0.** The first release of `@secureprocessing/node`.
- **API version `2026-09-01`.** The first version of the API, and the current one.