---
title: "Twilio Verify Events: Verification Attempt DLR event type will be discontinued: 2026-09-22 | Harbyn"
description: "Twilio Verify Events: Verification Attempt DLR event type will be discontinued, effective Sep 22, 2026."
canonical: "https://harbyn.com/changes/twilio/2026-09-22-verify-events-verification-attempt-dlr-event-type-will-be-discontinued"
last-updated: 2026-09-29
---

# Twilio Verify Events: Verification Attempt DLR event type will be discontinued

Markdown version of <https://harbyn.com/changes/twilio/2026-09-22-verify-events-verification-attempt-dlr-event-type-will-be-discontinued>.

Retirement - Twilio. medium severity. In effect. History: recorded after the fact.

Twilio discontinued the Verify Events Verification Attempt DLR event type after September 22, 2026 at 10:00 PM UTC: Twilio may stop sending these events even to existing subscriptions. Other event types in the same subscriptions keep being delivered.

The deadline passed on Sep 22, 2026.

## Facts

| Fact | Value |
| --- | --- |
| Vendor | [Twilio](https://harbyn.com/vendors/twilio.md) |
| Kind | Retirement |
| Severity | medium |
| Status | In effect |
| Announced | Sep 22, 2026 |
| Effective | Sep 22, 2026 |
| Added to Harbyn | Sep 29, 2026 |
| Lead time | Recorded after the fact: added 7 days after the deadline |
| Vendor page | <https://www.twilio.com/en-us/changelog/verify-events-verification-attempt-DLR-discontinued> |
| Review | Reviewed by a person, extracted by a deterministic parser |

## 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 Twilio, 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://www.twilio.com/en-us/changelog.feed.xml> (changelog, fetched 2026-09-29 02:31 UTC, sha256 `9ac2496c2940a3635592d604d6691d4393529e75e2e339fc358e0cd684bb845e`)

## Related changes

### More from Twilio

- [Real-Time Transcriptions provider failover on by default from October 22, 2026](https://harbyn.com/changes/twilio/2026-09-22-introducing-provider-failover-and-auto-mode-provider-selection-for-real-time-tra.md) (Behavior change, effective Oct 22, 2026)
- [Conference list endpoint will default to in-progress conferences only on September 30, 2026](https://harbyn.com/changes/twilio/2026-09-23-conference-list-endpoint-will-default-to-in-progress-conferences-only-on-septemb.md) (Breaking change, effective Sep 30, 2026)
- [Voice Recording Storage billing updates](https://harbyn.com/changes/twilio/2026-09-17-voice-recording-storage-billing-updates.md) (Behavior change, effective Sep 17, 2026)
- [International call forwarding compliance blocking for Spain and France](https://harbyn.com/changes/twilio/2026-09-04-international-call-forwarding-compliance-blocking-for-spain-france.md) (Breaking change, announced Sep 4, 2026)

### Changes at other vendors

- [OpenRouter: arcee-ai/trinity-large-thinking expire 2026-10-26](https://harbyn.com/changes/openrouter/2026-10-23-arcee-ai-trinity-large-thinking-expires-2026-10-26.md) (effective Oct 26, 2026)
- [Google Cloud Run and Functions: Node.js 20 runtime decommission](https://harbyn.com/changes/google-cloud/2026-10-08-node-js-20-runtime-decommission.md) (effective Oct 30, 2026)
- [Mistral AI: Z.ai GLM 5.2 (zai-glm-5-2) retires on Mistral on October 31, 2026](https://harbyn.com/changes/mistral/2026-09-29-z-ai-glm-5-2-deprecated-and-scheduled-for-retirement.md) (effective Oct 31, 2026)
- [Fireworks AI: DeepSeek V4 Flash 0731 retires from Serverless Training November 2](https://harbyn.com/changes/fireworks/2026-10-18-upcoming-serverless-training-deprecation-deepseek-v4-flash-0731.md) (effective Nov 2, 2026)

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