# \#checkout-api **URL:** https://developer.squareup.com/forums/tag/checkout-api/11.md [Latest](https://developer.squareup.com/forums/latest.md) · [Categories](https://developer.squareup.com/forums/categories.md) · [Tags](https://developer.squareup.com/forums/tags.md) --- ## [PCI DSS Level 1 - send network tokens and raw pans](https://developer.squareup.com/forums/t/pci-dss-level-1-send-network-tokens-and-raw-pans/28407)
**Author:** [@palbrecht](https://developer.squareup.com/forums/u/palbrecht)\ **Replies:** 0\ **Last updated:** [October 30, 2026, 10:49pm UTC](https://developer.squareup.com/forums/t/pci-dss-level-1-send-network-tokens-and-raw-pans/28407 "2026-10-30T22:49:24Z")
Hi, we’re a global payment orchestrator with \> 4bn$/year in volume, we’d like to integrate with Square’s direct payment API, where we could send out raw PANs, network tokens, auth codes, and decrypted Apple Pay / Google … --- ## [Using the Cash App ordering MCP server from a third-party app: terms, checkout and order status](https://developer.squareup.com/forums/t/using-the-cash-app-ordering-mcp-server-from-a-third-party-app-terms-checkout-and-order-status/28367)
**Author:** [@patjg85](https://developer.squareup.com/forums/u/patjg85)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 8:22pm UTC](https://developer.squareup.com/forums/t/using-the-cash-app-ordering-mcp-server-from-a-third-party-app-terms-checkout-and-order-status/28367 "2026-10-28T20:22:59Z")
Hi all. We’re building a consumer web and mobile app in the U.S. and are looking at the Order by Cash App MCP server for pickup orders at Square restaurants. Our app would call it from our own backend, not through ChatG… --- ## [Checkout API — DeletePaymentLink race conditions and order cancellation behavior](https://developer.squareup.com/forums/t/checkout-api-deletepaymentlink-race-conditions-and-order-cancellation-behavior/28337)
**Author:** [@dextermccord90](https://developer.squareup.com/forums/u/dextermccord90)\ **Replies:** 1\ **Last updated:** [October 28, 2026, 4:50pm UTC](https://developer.squareup.com/forums/t/checkout-api-deletepaymentlink-race-conditions-and-order-cancellation-behavior/28337 "2026-10-28T16:50:47Z")
I found an earlier Square staff response from January 30, 2023, stating that deleting a payment link while a customer has the checkout page open cancels the order and prevents payment: I also reviewed the current Chec… --- ## [Hosted checkout for a custom site: Invoices created with buy\_now\_pay\_later only were never paid. Correct API for card + Cash App Pay + Apple Pay + Afterpay?](https://developer.squareup.com/forums/t/hosted-checkout-for-a-custom-site-invoices-created-with-buy-now-pay-later-only-were-never-paid-correct-api-for-card-cash-app-pay-apple-pay-afterpay/28360)
**Author:** [@seattlegoldgrills](https://developer.squareup.com/forums/u/seattlegoldgrills)\ **Replies:** 2\ **Last updated:** [October 28, 2026, 2:03pm UTC](https://developer.squareup.com/forums/t/hosted-checkout-for-a-custom-site-invoices-created-with-buy-now-pay-later-only-were-never-paid-correct-api-for-card-cash-app-pay-apple-pay-afterpay/28360 "2026-10-28T14:03:28Z")
Merchant ID: MLG8HW43EA151 (Seattle Gold Grills LLC, Renton WA) Location ID: L3MJD40D4ZZCT Environment: Production. Custom website on the Base44 platform (not Square Online or Wix), authorized via OAuth. Related suppor… --- ## [Checkout API: definitive cancellation barrier and CreatePaymentLink idempotency retention](https://developer.squareup.com/forums/t/checkout-api-definitive-cancellation-barrier-and-createpaymentlink-idempotency-retention/28231)
**Author:** [@pierluc62](https://developer.squareup.com/forums/u/pierluc62)\ **Replies:** 2\ **Last updated:** [October 20, 2026, 1:55pm UTC](https://developer.squareup.com/forums/t/checkout-api-definitive-cancellation-barrier-and-createpaymentlink-idempotency-retention/28231 "2026-10-20T13:55:35Z")
Hello Square Developer Support, We are integrating single-use Checkout API payment links with limited-capacity appointment slots. We need to avoid making a slot available again while a previously submitted payment could… --- ## [Production hosted Checkout: Pay remains disabled with two cards](https://developer.squareup.com/forums/t/production-hosted-checkout-pay-remains-disabled-with-two-cards/28065)
**Author:** [@rustysnacks](https://developer.squareup.com/forums/u/rustysnacks)\ **Replies:** 3\ **Last updated:** [October 2, 2026, 2:59pm UTC](https://developer.squareup.com/forums/t/production-hosted-checkout-pay-remains-disabled-with-two-cards/28065 "2026-10-02T14:59:34Z")
Our production Checkout API integration successfully creates a payment link. The saved Square order matches the reviewed USD $13.19 total and SHIPMENT details. On October 1, 2026 around 12:08 p.m. Eastern / 16:08 UTC, th… --- ## [App\_fee\_money accepted on payment link but never collected](https://developer.squareup.com/forums/t/app-fee-money-accepted-on-payment-link-but-never-collected/28060)
**Author:** [@gooby](https://developer.squareup.com/forums/u/gooby)\ **Replies:** 1\ **Last updated:** [October 2, 2026, 1:26am UTC](https://developer.squareup.com/forums/t/app-fee-money-accepted-on-payment-link-but-never-collected/28060 "2026-10-02T01:26:57Z")
I run a platform that onboards market organizers onto Square via OAuth. Sellers connect their own Square accounts and take booth fee payments from vendors. I want to collect a platform fee on those payments. I’m creatin… --- ## [Acuity Scheduling Payment Issue - intermittent "your payment was declined" message](https://developer.squareup.com/forums/t/acuity-scheduling-payment-issue-intermittent-your-payment-was-declined-message/28026)
**Author:** [@Andyp](https://developer.squareup.com/forums/u/Andyp)\ **Replies:** 1\ **Last updated:** [September 29, 2026, 6:02am UTC](https://developer.squareup.com/forums/t/acuity-scheduling-payment-issue-intermittent-your-payment-was-declined-message/28026 "2026-09-29T06:02:40Z")
Our admin team is encountering persistent glitches with Acuity Scheduling, specifically intermittent “your payment was declined” error messages surfacing during checkout for various transactions throughout the month. Th… --- ## [Subscription Payment Link checkout fails in Japan before Payment or Subscription is created](https://developer.squareup.com/forums/t/subscription-payment-link-checkout-fails-in-japan-before-payment-or-subscription-is-created/27970)
**Author:** [@jvp-rider-lab](https://developer.squareup.com/forums/u/jvp-rider-lab)\ **Replies:** 3\ **Last updated:** [September 25, 2026, 6:18pm UTC](https://developer.squareup.com/forums/t/subscription-payment-link-checkout-fails-in-japan-before-payment-or-subscription-is-created/27970 "2026-09-25T18:18:39Z")
Hello, I am implementing a monthly subscription using the Square Checkout API in Production in Japan. The Payment Link is created successfully with HTTP 200. However, when the buyer enters the required information on t… --- ## [Request for Discount Codes API Special Access — urMuv Rewards](https://developer.squareup.com/forums/t/request-for-discount-codes-api-special-access-urmuv-rewards/27925)
**Author:** [@Urmuv](https://developer.squareup.com/forums/u/Urmuv)\ **Replies:** 1\ **Last updated:** [September 23, 2026, 1:45pm UTC](https://developer.squareup.com/forums/t/request-for-discount-codes-api-special-access-urmuv-rewards/27925 "2026-09-23T13:45:57Z")
Hi Square Developer Team, We would like to request special access to the Discount Codes API for urMuv Rewards, including DISCOUNT\_CODES\_READ and DISCOUNT\_CODES\_WRITE, beginning with Sandbox testing. urMuv is a merchant… --- ## [Production token works in API Explorer but gets 401 from AWS Amplify](https://developer.squareup.com/forums/t/production-token-works-in-api-explorer-but-gets-401-from-aws-amplify/27885)
**Author:** [@Richardmenard](https://developer.squareup.com/forums/u/Richardmenard)\ **Replies:** 5\ **Last updated:** [September 18, 2026, 6:51pm UTC](https://developer.squareup.com/forums/t/production-token-works-in-api-explorer-but-gets-401-from-aws-amplify/27885 "2026-09-18T18:51:06Z")
Our Square Production access token works in Square API Explorer, including: GET /v2/locations POST /v2/online-checkout/payment-links But the same token returns 401 UNAUTHORIZED from our AWS Amplify server in us-… --- ## [Issue with Credit Card Fields and Pay Button disabled in Square Checkout API in sandbox enviornment](https://developer.squareup.com/forums/t/issue-with-credit-card-fields-and-pay-button-disabled-in-square-checkout-api-in-sandbox-enviornment/21045)
**Author:** [@Mohini](https://developer.squareup.com/forums/u/Mohini)\ **Replies:** 3\ **Last updated:** [September 13, 2026, 11:14am UTC](https://developer.squareup.com/forums/t/issue-with-credit-card-fields-and-pay-button-disabled-in-square-checkout-api-in-sandbox-enviornment/21045 "2026-09-13T11:14:21Z")
I am currently integrating the Square Checkout API and using a payment link to process payments. I am working in the sandbox environment and successfully receive the payment link in the API response. However, when I ope… --- ## [Checkout-created STATIC subscription retains $1 order template after plan swap and continues billing $1 — what is the supported way to implement subscription discounts?](https://developer.squareup.com/forums/t/checkout-created-static-subscription-retains-1-order-template-after-plan-swap-and-continues-billing-1-what-is-the-supported-way-to-implement-subscription-discounts/27606)
**Author:** [@diego-eh](https://developer.squareup.com/forums/u/diego-eh)\ **Replies:** 1\ **Last updated:** [September 11, 2026, 10:43pm UTC](https://developer.squareup.com/forums/t/checkout-created-static-subscription-retains-1-order-template-after-plan-swap-and-continues-billing-1-what-is-the-supported-way-to-implement-subscription-discounts/27606 "2026-09-11T22:43:22Z")
We are trying to determine the supported way to implement an introductory subscription discount using Square, and we have encountered production behavior that doesn’t seem to match the current documentation or previous f… --- ## [托管支付的页面语言，目前还是只能根据商户的国家来决定么？](https://developer.squareup.com/forums/t/topic/27504)
**Author:** [@nizongfeng](https://developer.squareup.com/forums/u/nizongfeng)\ **Replies:** 1\ **Last updated:** [September 10, 2026, 3:06pm UTC](https://developer.squareup.com/forums/t/topic/27504 "2026-09-10T15:06:28Z")
这个页面目前只能展示日文。我改如何让他展示成英文或中文呢？ --- ## [Display service charge in Checkout API screen](https://developer.squareup.com/forums/t/display-service-charge-in-checkout-api-screen/5310)
**Author:** [@Tap](https://developer.squareup.com/forums/u/Tap)\ **Replies:** 2\ **Last updated:** [September 8, 2026, 1:56pm UTC](https://developer.squareup.com/forums/t/display-service-charge-in-checkout-api-screen/5310 "2026-09-08T13:56:57Z")
When using the checkout API, I am charging a service charge titled, “Delivery Fee”. The fee is applied correctly; however, it is not noted in the itemized checkout list. Any suggestions on how to display this service c… --- ## [Sales tax incorrectly applied to some transactions](https://developer.squareup.com/forums/t/sales-tax-incorrectly-applied-to-some-transactions/27265)
**Author:** [@zslaton](https://developer.squareup.com/forums/u/zslaton)\ **Replies:** 10\ **Last updated:** [September 1, 2026, 5:45pm UTC](https://developer.squareup.com/forums/t/sales-tax-incorrectly-applied-to-some-transactions/27265 "2026-09-01T17:45:53Z")
Two transactions captured using checkout API payment links on February 9 are incorrectly marked as taxable, despite payment option parameter “autoApplyTaxes” always being false. All other transactions created using this … --- ## [Does On-Demand Delivery dispatch via the Orders API, or is it Square Online only?](https://developer.squareup.com/forums/t/does-on-demand-delivery-dispatch-via-the-orders-api-or-is-it-square-online-only/27379)
**Author:** [@primechasedata](https://developer.squareup.com/forums/u/primechasedata)\ **Replies:** 1\ **Last updated:** [August 28, 2026, 4:02pm UTC](https://developer.squareup.com/forums/t/does-on-demand-delivery-dispatch-via-the-orders-api-or-is-it-square-online-only/27379 "2026-08-28T16:02:41Z")
Hi all — we build front-ends for Square sellers, and I’d like to confirm the current (2026) supported story before committing to an architecture. The seller’s most valued feature is On-Demand Delivery, so the overridin… --- ## [Unpaid dine-in QR orders not showing on Square Restaurant POS](https://developer.squareup.com/forums/t/unpaid-dine-in-qr-orders-not-showing-on-square-restaurant-pos/27148)
**Author:** [@Gobeeshan](https://developer.squareup.com/forums/u/Gobeeshan)\ **Replies:** 1\ **Last updated:** [August 11, 2026, 6:25pm UTC](https://developer.squareup.com/forums/t/unpaid-dine-in-qr-orders-not-showing-on-square-restaurant-pos/27148 "2026-08-11T18:25:46Z")
Hi, We’re building a dine-in QR ordering app where guests order from our customer app, and restaurant staff use Square for Restaurants POS. What we want: Guest places an unpaid order in our app Staff can see that ord… --- ## [Subscription payment link is not working](https://developer.squareup.com/forums/t/subscription-payment-link-is-not-working/21003)
**Author:** [@bairdhu](https://developer.squareup.com/forums/u/bairdhu)\ **Replies:** 20\ **Last updated:** [July 26, 2026, 7:32pm UTC](https://developer.squareup.com/forums/t/subscription-payment-link-is-not-working/21003 "2026-07-26T19:32:02Z")
I created a payment link using the checkout API, and when someone make the payment, an error occurred: “Sorry. Your order didn’t go through. Please try again”. He tried multiple times and received the same error. The tra… --- ## [Order notification e-mails in Checkout API differ from deprecated API](https://developer.squareup.com/forums/t/order-notification-e-mails-in-checkout-api-differ-from-deprecated-api/26796)
**Author:** [@DavidStowell](https://developer.squareup.com/forums/u/DavidStowell)\ **Replies:** 1\ **Last updated:** [July 24, 2026, 5:58pm UTC](https://developer.squareup.com/forums/t/order-notification-e-mails-in-checkout-api-differ-from-deprecated-api/26796 "2026-07-24T17:58:41Z")
Greetings, I have implemented the Checkout API in my web application (Node.js) and while the payment form has its differences from the deprecated API, I can live with that. I tested the API in production by selling my… --- ## [Sandbox Checkout API now returning 401](https://developer.squareup.com/forums/t/sandbox-checkout-api-now-returning-401/26872)
**Author:** [@cladams7905](https://developer.squareup.com/forums/u/cladams7905)\ **Replies:** 17\ **Last updated:** [July 17, 2026, 10:47pm UTC](https://developer.squareup.com/forums/t/sandbox-checkout-api-now-returning-401/26872 "2026-07-17T22:47:20Z")
Hi, I am having weird issues all of the sudden where my Sandbox calls to the Create Payment Link API is always returning 401: unauthorized. I have verified that my scopes are correct and the access token is not expired; … --- ## [Terminal Checkout API now causes promot to choose payment type](https://developer.squareup.com/forums/t/terminal-checkout-api-now-causes-promot-to-choose-payment-type/26379)
**Author:** [@philg\_aspedia\_net](https://developer.squareup.com/forums/u/philg_aspedia_net)\ **Replies:** 3\ **Last updated:** [July 17, 2026, 2:28pm UTC](https://developer.squareup.com/forums/t/terminal-checkout-api-now-causes-promot-to-choose-payment-type/26379 "2026-07-17T14:28:42Z")
A recent update to the square terminal has caused a new screen to appear in the normal checkout tapping a card. Our customers are now complaining about the increased friction that this causes in the payment flow as the … --- ## [Terminal API checkout always returns NOT\_FOUND](https://developer.squareup.com/forums/t/terminal-api-checkout-always-returns-not-found/26611)
**Author:** [@satoshi](https://developer.squareup.com/forums/u/satoshi)\ **Replies:** 3\ **Last updated:** [July 2, 2026, 9:20pm UTC](https://developer.squareup.com/forums/t/terminal-api-checkout-always-returns-not-found/26611 "2026-07-02T21:20:15Z")
I’m using Square Terminal with the Terminal API. The device logs in correctly with a 6‑digit device code and shows AVAILABLE in the Devices API. However, every CreateTerminalCheckout request returns NOT\_FOUND and nothi… --- ## [Cash app and after pay not showing on square hosted checkout](https://developer.squareup.com/forums/t/cash-app-and-after-pay-not-showing-on-square-hosted-checkout/26506)
**Author:** [@wordpress.ingenious](https://developer.squareup.com/forums/u/wordpress.ingenious)\ **Replies:** 3\ **Last updated:** [June 22, 2026, 6:38pm UTC](https://developer.squareup.com/forums/t/cash-app-and-after-pay-not-showing-on-square-hosted-checkout/26506 "2026-06-22T18:38:51Z")
{ “merchant\_settings”: { “payment\_methods”: { “apple\_pay”: { “enabled”: true }, “google\_pay”: { “enabled”: true }, “cash\_app”: { “enabled”: true }, “afterpay\_clearpay”: { “order\_eligibility\_range”: { “mi… --- ## [Implementing Checkout API in Node.js](https://developer.squareup.com/forums/t/implementing-checkout-api-in-node-js/26457)
**Author:** [@DavidStowell](https://developer.squareup.com/forums/u/DavidStowell)\ **Replies:** 3\ **Last updated:** [June 22, 2026, 2:32am UTC](https://developer.squareup.com/forums/t/implementing-checkout-api-in-node-js/26457 "2026-06-22T02:32:29Z")
Greetings, I have successfully implemented an older version of Checkout API, using CreateCheckout, in PHP. I am now updating the site to React and the latest version of the API, and am trying to figure out how to code t… --- ## [Fully paid order with PROPOSED fulfillment not showing in Dashboard](https://developer.squareup.com/forums/t/fully-paid-order-with-proposed-fulfillment-not-showing-in-dashboard/25986)
**Author:** [@aras](https://developer.squareup.com/forums/u/aras)\ **Replies:** 1\ **Last updated:** [May 4, 2026, 2:08pm UTC](https://developer.squareup.com/forums/t/fully-paid-order-with-proposed-fulfillment-not-showing-in-dashboard/25986 "2026-05-04T14:08:48Z")
I have an interesting situation. Ihave created an order successfully and attached a full payment. The order fulfilment is PROPOSED for type “pickup”. After attaching the payment to the order I re-read the order and I c… --- ## [Checkouts \> Create Payment Link \> pre\_populated\_data + fullfillments](https://developer.squareup.com/forums/t/checkouts-create-payment-link-pre-populated-data-fullfillments/19425)
**Author:** [@\_sam](https://developer.squareup.com/forums/u/_sam)\ **Replies:** 7\ **Last updated:** [April 22, 2026, 8:10pm UTC](https://developer.squareup.com/forums/t/checkouts-create-payment-link-pre-populated-data-fullfillments/19425 "2026-04-22T20:10:35Z")
Hey guys, I am creating an app for ordering food for pickup and am needing to pre\_populate the form. I can do each one seperately but if I do then together I get a 400: Only one of \[fulfillment, buyer\_email\] fields sho… --- ## [Does Checkout API Send Automatic Email Receipts?](https://developer.squareup.com/forums/t/does-checkout-api-send-automatic-email-receipts/25617)
**Author:** [@auwilliams](https://developer.squareup.com/forums/u/auwilliams)\ **Replies:** 4\ **Last updated:** [April 13, 2026, 9:01pm UTC](https://developer.squareup.com/forums/t/does-checkout-api-send-automatic-email-receipts/25617 "2026-04-13T21:01:01Z")
Hello, I’m a web developer that works with multiple Square clients. I’m encountering a situation where we’re using the Square Hosted Checkout API to make online sales, which is convenient, but I’m not receiving receipt e… --- ## [NFC loyalty tap (Apple VAS / Google Smart Tap)](https://developer.squareup.com/forums/t/nfc-loyalty-tap-apple-vas-google-smart-tap/25512)
**Author:** [@ara](https://developer.squareup.com/forums/u/ara)\ **Replies:** 1\ **Last updated:** [March 23, 2026, 9:49am UTC](https://developer.squareup.com/forums/t/nfc-loyalty-tap-apple-vas-google-smart-tap/25512 "2026-03-23T09:49:58Z")
Do Square terminals/POS support loyalty identification via Apple VAS and/or Google Smart Tap? If yes, can the tap event / identifier be exposed to partners (API/webhook) for matching and attribution? Is “enroll/add a Wa… --- ## [Create unpaid order](https://developer.squareup.com/forums/t/create-unpaid-order/20674)
**Author:** [@iliaskirko](https://developer.squareup.com/forums/u/iliaskirko)\ **Replies:** 8\ **Last updated:** [February 16, 2026, 5:06pm UTC](https://developer.squareup.com/forums/t/create-unpaid-order/20674 "2026-02-16T17:06:18Z")
Hello, Is it possible to create an order without a payment, so it become visible on POS and it can be processed by the restaurant staff and paid by cash or card? [Next page](https://developer.squareup.com/forums/tag/checkout-api/11.md?match_all_tags=true&page=1&tags%5B%5D=checkout-api)