---
title: "Changes to Preview a single combination with live data"
method: POST
path: "/api/v1/compiler/combination/preview"
---

# Changes to Preview a single combination with live data

`POST /api/v1/compiler/combination/preview`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 11 revisions.

- **2026-03-05** `6a140b82e07c` — 3 breaking, 1 warning, 1 info
- **2026-02-26** `bef1f3e205dd` — 1 info

## Changes

- **2026-03-05** `6a140b82e07c` — 3 breaking, 1 warning, 1 info
  - added the new required request property `query_id`
  - the request property `tenant_key` became required
  - request property `tenant_key` list-of-types was narrowed by removing types `null` from media type `application/json`
  - removed the request property `query_ref`
  - added the new optional request property `pinned_variant`
- **2026-02-26** `bef1f3e205dd` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/kater-ai/apis/kater-api/docs/api/v1/compiler/combination/preview/post.md) · [API](https://skmtc.dev/kater-ai/apis/kater-api.md) · [Page](https://skmtc.dev/kater-ai/apis/kater-api/changes/api/v1/compiler/combination/preview/post)