API deprecations announced Sep 5 to Oct 5, 2026: Stripe, Shopify, Twilio, OpenAI
7 entries typed as a deprecation on the public changelogs of Stripe, Shopify, Twilio and OpenAI, published 2026-09-05 to 2026-10-05, grouped by vendor and newest first within each vendor. By vendor: Stripe: 0, Shopify: 3, Twilio: 1, OpenAI: 3.
Stripe has no row here: its one entry titled as a deprecation carries Stripe's breaking-change label and is listed on the breaking changes page, and dates for Stripe entries are the release date 2026-09-30, as explained on method.html.
Read on 2026-10-05: https://docs.stripe.com/changelog; https://shopify.dev/changelog; https://www.twilio.com/en-us/changelog and https://www.twilio.com/en-us/changelog.feed.xml; https://developers.openai.com/api/docs/changelog and https://developers.openai.com/api/docs/deprecations
| Vendor | Date | Type | Change |
|---|---|---|---|
| Shopify | 2026-10-01 | deprecation | SMS marketing consent now available on the CustomerPhoneNumber object In 2026-10, SMS marketing consent moves to smsMarketingConsent on CustomerPhoneNumber; the older flat SMS consent fields are deprecated but still work. |
| Shopify | 2026-09-08 | deprecation | Variants now support multiple barcodes In 2026-10, product variants get a barcodes connection supporting multiple barcodes; the single barcode field is deprecated but still works. |
| Shopify | 2026-09-08 | deprecation | Customer Address APIs now support countryCode In 2026-10, customer address types accept and return countryCode, and territoryCode is deprecated. |
| Twilio | 2026-09-22 | deprecation | Verify Events: Verification Attempt DLR event type will be discontinued The Verification Attempt DLR event type in Verify Events is discontinued after September 22, 2026. |
| OpenAI | 2026-10-01 | deprecation | GPT-5.3-Codex, GPT-5.1, GPT-5.4-Nano gpt-5.3-codex, gpt-5.1 and gpt-5.4-nano are deprecated with a shutdown date of April 1, 2027; the listed replacements are gpt-6-sol for the first two and gpt-6-luna for gpt-5.4-nano. |
| OpenAI | 2026-10-01 | deprecation | Text-to-speech models tts-1, tts-1-hd and two dated gpt-4o-mini-tts snapshots are deprecated with a shutdown date of January 6, 2027; the listed replacement is gpt-realtime-2.1-mini. |
| OpenAI | 2026-09-11 | deprecation | GPT-5.4-Cyber OpenAI announced that gpt-5.4-cyber shuts down on October 1, 2026, pointing users to the most capable cyber model available to them. |
What the paid brief adds
This page is the free list. The paid issue covers all 142 entries and adds:
- the action checklist: what to do for each entry, or a plain "none" when the change needs nothing from you;
- an "Act first" section: the 46 breaking changes and deprecations and nothing else, grouped by vendor, each with what to do;
- a source link for every entry;
- a CSV file with all entries, one row each, to filter or import.
Issue 1, a one-time $7 download: an HTML brief plus a CSV. A short README text file comes with them. The issue covers 2026-09-05 to 2026-10-05. You pay once for this one dated issue: nothing is billed again, and no later issue or update is included. The price and terms are shown on the Gumroad page before you pay.