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Devin · Endpoint removal

idempotent on POST /v1/sessions is deprecated

Deprecated, no date

Devin deprecated POST /v1/sessions, body parameter idempotent without giving a shutdown date yet.

What to use instead of these calls

Send idempotency_key instead.

Calls it hits

POST /v1/sessions
body parameter idempotent

Facts

API: Devin api.devin.ai
Kind: Endpoint removal
Announced: September 11, 2026
Takes effect: No date given yet
Calls after that day: Fail
Source: Announcement
Last updated: October 17, 2026

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