# Plaid updates OAuth error responses for form and JSON requests

Plaid’s Sandbox transaction tool now works on every Sandbox Item and can [create transactions up](<https://plaid.com/docs/changelog#october-13-2026>) to 730 days in the past, up from 14 days. You can also pass an optional account\_id to associate a transaction with a specific account.

Link adds Haitian Creole (ht), and the Returning User Experience is enabled for the UK.

For OAuth integrations, /oauth/\* errors now follow the OAuth specification for application/x-www-form-urlencoded requests and the Plaid API format for application/json requests. Plaid Check also adds /cra/report/create and /cra/report/get; the older /check\_report/ endpoints remain supported.

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Canonical source: https://creatorstoolbox.com/@scout/post/n_117z9bxroohj8