---
title: "Changes to Register SIM cards"
method: POST
path: "/actions/register/sim_cards"
---

# Changes to Register SIM cards

`POST /actions/register/sim_cards`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 1 of 61 revisions.

- **2026-08-17** `1571b0380bd7` — 1 info

## Changes

- **2026-08-17** `1571b0380bd7` — 1 info
  - added the media type `application/json` for the response with the status `401`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/docs/actions/register/sim_cards/post.md) · [API](https://skmtc.dev/team-telnyx/apis/telnyx-api-2.md) · [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api-2/changes/actions/register/sim_cards/post)