---
title: "ElevenLabs API Post-call audio webhook retries: 2026-10-12 | Harbyn"
description: "ElevenLabs API Post-call audio webhook retries, announced Oct 12, 2026."
canonical: "https://harbyn.com/changes/elevenlabs/2026-10-12-elevenagents-4"
last-updated: 2026-10-14
---

# ElevenLabs API Post-call audio webhook retries

Markdown version of <https://harbyn.com/changes/elevenlabs/2026-10-12-elevenagents-4>.

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

When Enable retries is on, post\_call\_audio webhooks are retried on the same schedule as transcription webhooks. Audio payloads over 50 MiB are not retried, and queued audio retries are capped at 400 MiB per webhook.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [ElevenLabs API](https://harbyn.com/vendors/elevenlabs.md) |
| Kind | Behavior change |
| Severity | low |
| Status | In effect |
| Announced | Oct 12, 2026 |
| Added to Harbyn | Oct 14, 2026 |
| Lead time | No dated deadline |
| Symbols | `post_call_audio` |
| 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 2026-10-14 17:17 UTC, sha256 `e425e0558a7a875689fd322ed236729b3127ec2e8b7cc75067928e59d10da85a`)

## Related changes

### More from ElevenLabs API

- [TTS effects seed and knowledge base auto\_discover deprecated and ignored](https://harbyn.com/changes/elevenlabs/2026-10-12-api-3.md) (Deprecation, announced Oct 12, 2026)
- [Call queueing enabled by default for new agents](https://harbyn.com/changes/elevenlabs/2026-10-12-elevenagents-3.md) (Behavior change, announced Oct 12, 2026)
- [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)

### 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)
