---
title: "Changes to Create Preregistration"
method: POST
path: "/api/v4/preregistration/create"
---

# Changes to Create Preregistration

`POST /api/v4/preregistration/create`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-04** `9046a1eb2d0c`: 1 info

## Changes

- **2026-11-04** `9046a1eb2d0c`: 1 info
  - added the new `TASSO` enum value to the request property `sample_collection_method/anyOf[subschema #1: CollectionMethods]/`

---

[Operation](https://skmtc.dev/endless/apis/eh-core-v3-api-prod/docs/api/v4/preregistration/create/post.md) - [API](https://skmtc.dev/endless/apis/eh-core-v3-api-prod.md) - [Page](https://skmtc.dev/endless/apis/eh-core-v3-api-prod/changes/api/v4/preregistration/create/post)