---
title: "Changes to Threshold signing, round 2 — aggregate and return the signature"
method: POST
path: "/v1/keys/{key_id}/tss/sign/complete"
---

# Changes to Threshold signing, round 2 — aggregate and return the signature

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

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-10-20** `5fa0918f3b41`: 7 info

## Changes

- **2026-10-20** `5fa0918f3b41`: 7 info
  - added the new optional request property `client_commitments_all`
  - added the new optional request property `client_signature_shares_all`
  - the response property `key_id` became required for the status `200`
  - the response property `message_digest` became required for the status `200`
  - the response property `signature` became required for the status `200`
  - the response property `signature_hex` became required for the status `200`
  - added the required property `signatures` to the response with the `200` status

---

[Operation](https://skmtc.dev/1claw/apis/1claw-api/docs/v1/keys/:key_id/tss/sign/complete/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/complete/post)