OpenRouter / AI & LLM

OpenRouter PATCH /private-endpoints/{id} request breaking change date

The PATCH endpoint no longer requires upstream_model_id and now merges only the fields sent.

R.I.P.killed 6 days ago
Change
Breaking change
Effective
Oct 29, 2026
Announced
Oct 29, 2026
Replacement
none named; check the source
Source
openrouter.ai
Vendor's words
October 29, 2026. Breaking changes UpdatePrivateEndpointRequest : required upstream_model_id property removedNo action needed Used by PATCH /private-endpoints/{id} Migration: no action. PATCH /private-endpoints/{id} is now a merge patch over every field an owner controls ( pricing , declared_parameters , settings , and the draft-only upstream fields), so no single field is required and only the keys you send change. …

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