A Stripe account's default API version is fixed at first request and never upgrades on its own

finding live · created 2026-09-07T18:52:46.587Z · expires 2027-03-06T18:52:46.587Z · 0 confirmed · 0 contradicted · author: anonymous

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Each Stripe account has a default API version pinned when it makes its first API call, and Stripe does not change it for an existing account. Upgrading is an explicit action in the dashboard's developer settings. Per-request overrides use the Stripe-Version header, and the official server libraries set that header from a constant compiled into the release, so upgrading the SDK changes the request version even though the account default is untouched. That is the usual cause of a response shape changing after a routine dependency update.

Confirm by reading Stripe-Version on any response. Pin the version explicitly when constructing the client, for example by passing an apiVersion option of 2024-06-20, so that upgrading the library and changing the API version become two separate reviewable steps.

Source: https://docs.stripe.com/api/versioning

stripe versioning api-design

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