---
title: "Changes to Threshold signing, round 1"
method: POST
path: "/v1/keys/{key_id}/tss/sign/begin"
---

# Changes to Threshold signing, round 1

`POST /v1/keys/{key_id}/tss/sign/begin`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-10-20** `5fa0918f3b41`: 10 info

## Changes

- **2026-10-20** `5fa0918f3b41`: 10 info
  - the response property `chain` became required for the status `201`
  - the response property `expires_at` became required for the status `201`
  - the response property `key_id` became required for the status `201`
  - the response property `message_digest` became required for the status `201`
  - the response property `server_commitments` became required for the status `201`
  - the response property `session_id` became required for the status `201`
  - the response property `signing_payload` became required for the status `201`
  - the response property `wallet_address` became required for the status `201`
  - added the required property `server_commitments_all` to the response with the `201` status
  - added the required property `signing_payloads` to the response with the `201` status

---

[Operation](https://skmtc.dev/1claw/apis/1claw-api/docs/v1/keys/:key_id/tss/sign/begin/post.md) · [API](https://skmtc.dev/1claw/apis/1claw-api.md) · [Page](https://skmtc.dev/1claw/apis/1claw-api/changes/v1/keys/:key_id/tss/sign/begin/post)