thread SDK 401 Error in Payments Troubleshooting https://community.squareup.com/t5/Payments-Troubleshooting/SDK-401-Error/m-p/847609#M67844 <P>Web Payments SDK v1.84.0 returns 401 Unauthorized on GET <A href="https://pci-connect.squareup.com/payments/hydrate" target="_blank" rel="noopener">https://pci-connect.squareup.com/payments/hydrate</A> in production. Card fields never render.</P><P>Application ID: sq0idp-BWBCTTVO9cW9hZ2flfN2Yw<BR />Location ID: 29SQ5416Y0V4N (BOOGIETEK LLC, main)</P><P>Fails identically on boogietek.com and on a Vercel preview host. Credentials copied directly from the Developer Console Production tab. Access token regenerated. Use case is set to Accept payments. Sandbox works: five successful POST /v2/payments on 2026-08-06. Production API Logs show zero entries.</P><P>This account has processed card-present payments since 2023 but has never taken a card-not-present payment. Is card-not-present or online processing enabled on this account, and is this application authorized for the Web Payments SDK?</P> Fri, 07 Aug 2026 22:54:01 GMT boogietek 2026-08-07T22:54:01Z SDK 401 Error https://community.squareup.com/t5/Payments-Troubleshooting/SDK-401-Error/m-p/847609#M67844 <P>Web Payments SDK v1.84.0 returns 401 Unauthorized on GET <A href="https://pci-connect.squareup.com/payments/hydrate" target="_blank" rel="noopener">https://pci-connect.squareup.com/payments/hydrate</A> in production. Card fields never render.</P><P>Application ID: sq0idp-BWBCTTVO9cW9hZ2flfN2Yw<BR />Location ID: 29SQ5416Y0V4N (BOOGIETEK LLC, main)</P><P>Fails identically on boogietek.com and on a Vercel preview host. Credentials copied directly from the Developer Console Production tab. Access token regenerated. Use case is set to Accept payments. Sandbox works: five successful POST /v2/payments on 2026-08-06. Production API Logs show zero entries.</P><P>This account has processed card-present payments since 2023 but has never taken a card-not-present payment. Is card-not-present or online processing enabled on this account, and is this application authorized for the Web Payments SDK?</P> Fri, 07 Aug 2026 22:54:01 GMT https://community.squareup.com/t5/Payments-Troubleshooting/SDK-401-Error/m-p/847609#M67844 boogietek 2026-08-07T22:54:01Z