---
title: "ElevenLabs API ElevenLabs client and widget packages: Stable response IDs prevent duplicate agent replies: 2026-10-05 | Harbyn"
description: "ElevenLabs API ElevenLabs client and widget packages: Stable response IDs prevent duplicate agent replies, announced Oct 5, 2026."
canonical: "https://harbyn.com/changes/elevenlabs/2026-10-05-sdk-releases-4"
last-updated: 2026-10-06
---

# ElevenLabs API ElevenLabs client and widget packages: Stable response IDs prevent duplicate agent replies

Markdown version of <https://harbyn.com/changes/elevenlabs/2026-10-05-sdk-releases-4>.

Behavior change - ElevenLabs API. low severity. In effect.

@elevenlabs/client 1.26.0 and @elevenlabs/convai-widget-core and convai-widget-embed 0.18.3 use stable response IDs so agents no longer send duplicate replies.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [ElevenLabs API](https://harbyn.com/vendors/elevenlabs.md) |
| Kind | Behavior change |
| Severity | low |
| Status | In effect |
| Announced | Oct 5, 2026 |
| Added to Harbyn | Oct 6, 2026 |
| Lead time | No dated deadline |
| Review | Reviewed by a person, extracted by a model |

## Find it in your code

```sh
npx harbyn scan
```

This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses ElevenLabs API, from its packages and API hosts. Nothing leaves your machine.

## Sources

Where this event comes from: the page we read, when we read it, and the hash of that snapshot.

- <https://elevenlabs.io/docs/changelog.md> (changelog, fetched 2026-10-06 20:03 UTC, sha256 `5dd0421171aacd5d2f3316c7dd2e7921c6678ce21cb9bef7222cc63e34839d4d`)

## Related changes

### More from ElevenLabs API

- [Default agent TTS model changed from eleven\_flash\_v2 to eleven\_v4\_turbo](https://harbyn.com/changes/elevenlabs/2026-10-05-api-3.md) (Behavior change, announced Oct 5, 2026)
- [Removed max\_depth from crawl job responses](https://harbyn.com/changes/elevenlabs/2026-10-05-api-4.md) (Breaking change, announced Oct 5, 2026)
- [Structured procedures compile automatically](https://harbyn.com/changes/elevenlabs/2026-10-05-elevenagents.md) (Behavior change, announced Oct 5, 2026)
- [Compile procedures endpoint marked legacy](https://harbyn.com/changes/elevenlabs/2026-10-05-elevenagents-2.md) (Deprecation, announced Oct 5, 2026)

### Changes at other vendors

- [Amazon Selling Partner API: ORDER\_CHANGE notifications add PreFulfillmentStatusChange for Amazon Autos](https://harbyn.com/changes/amazon-sp-api/2026-10-14-sp-api-updates-new-listings-items-api-ivp-values-in-eu5-jp-and-ca-stores-oct-3.md) (effective Oct 28, 2026)
- [BigCommerce: 301 redirects will apply only to storefront channels](https://harbyn.com/changes/bigcommerce/2026-10-07-301-redirects-now-apply-to-storefront-channels-only.md) (effective Nov 10, 2026)
- [GitHub: Secret scanning audit log business field changes to enterprise slug](https://harbyn.com/changes/github/2026-10-20-updates-to-github-secret-scanning-7.md) (effective Nov 12, 2026)
- [Jira / Atlassian Cloud: New IP address ranges in use from January 1, 2027](https://harbyn.com/changes/atlassian-jira/2026-10-16-atlassian-cloud-adds-new-ip-address-ranges.md) (effective Jan 1, 2027)

[All upcoming deadlines](https://harbyn.com/deadlines.md)