# Quick Pay Checkout works with Sandbox Credentials... But Not Production Credentials

**URL:** <https://developer.squareup.com/forums/t/quick-pay-checkout-works-with-sandbox-credentials-but-not-production-credentials/23209>\
**Category:** Questions\
**Tags:** checkout-api, sandbox\
**Created:** [July 14, 2025, 2:54pm UTC](https://developer.squareup.com/forums/t/quick-pay-checkout-works-with-sandbox-credentials-but-not-production-credentials/23209 "2025-07-14T14:54:53Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![Gary1](https://avatars.discourse-cdn.com/v4/letter/g/db5fbb/32.png) [@Gary1](https://developer.squareup.com/forums/u/Gary1)\
**Post date:** [July 17, 2025, 1:26pm UTC](https://developer.squareup.com/forums/t/quick-pay-checkout-works-with-sandbox-credentials-but-not-production-credentials/23209/5 "2025-07-17T13:26:57Z")

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For anyone interested in using -X POST bash code like shown in Square Explorer, but you don’t have [shell\_exec()](https://www.php.net/manual/en/function.shell-exec.php) enabled, see post 9 just here: [HTTPS via curl\_init() versus HTTPS via -X POST - Questions - Square Developer Forums](https://developer.squareup.com/forums/t/https-via-curl-init-versus-https-via-x-post/23203/9)

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_[View the full topic](https://developer.squareup.com/forums/t/quick-pay-checkout-works-with-sandbox-credentials-but-not-production-credentials/23209)._