---
title: "Changes to Upsert contact"
method: PUT
path: "/s2s/contacts/{userId}"
---

# Changes to Upsert contact

`PUT /s2s/contacts/{userId}`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 2 of 20 revisions.

- **2026-08-27** `05e5eb4c2da1` — 1 breaking
- **2026-08-18** `6bb0c3577de2` — 1 info

## Changes

- **2026-08-27** `05e5eb4c2da1` — 1 breaking
  - the `customData` request property type/format changed from `object`/`` to ``/``
- **2026-08-18** `6bb0c3577de2` — 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/gleap/apis/gleap-server/docs/s2s/contacts/:userId/put.md) · [API](https://skmtc.dev/gleap/apis/gleap-server.md) · [Page](https://skmtc.dev/gleap/apis/gleap-server/changes/s2s/contacts/:userId/put)