---
title: "Changes to Failed Payment Authorization"
method: POST
path: "/api/checkout_denied"
---

# Changes to Failed Payment Authorization

`POST /api/checkout_denied`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `4b9133c61e7f`: 2 breaking, 36 warning, 8 info

## Changes

- **2026-11-03** `4b9133c61e7f`: 2 breaking, 36 warning, 8 info
  - added the new required `header` request parameter `Content-Type`
  - removed `#/components/schemas/credit_card_payment_details_post_auth_checkout_denied, #/components/schemas/paypal_payment_details_details_post_auth, #/components/schemas/digital_wallets_payment_details_post_auth_checkout_denied` from the `checkout/payment_details/items/` request property `anyOf` list
  - deleted the `header` request parameter `content_type`
  - removed the request property `checkout/ai_agent`
  - removed the request property `checkout/billing_address`
  - removed the request property `checkout/browser_ip`
  - removed the request property `checkout/cart_token`
  - removed the request property `checkout/charge_free_payment_details`
  - removed the request property `checkout/checkout_id`
  - removed the request property `checkout/client_details`
  - removed the request property `checkout/created_at`
  - removed the request property `checkout/currency`
  - removed the request property `checkout/customer`
  - removed the request property `checkout/decision`
  - removed the request property `checkout/discount_codes`
  - removed the request property `checkout/email`
  - removed the request property `checkout/gateway`
  - removed the request property `checkout/invoice_id`
  - removed the request property `checkout/line_items`
  - removed the request property `checkout/name`
  - removed the request property `checkout/note`
  - removed the request property `checkout/order_type`
  - removed the request property `checkout/partner_sub_merchant_id`
  - removed the request property `checkout/passengers`
  - removed the request property `checkout/referring_site`
  - removed the request property `checkout/shipping_address`
  - removed the request property `checkout/shipping_lines`
  - removed the request property `checkout/source`
  - removed the request property `checkout/submission_reason`
  - removed the request property `checkout/total_discounts`
  - removed the request property `checkout/total_price`
  - removed the request property `checkout/updated_at`
  - removed the request property `checkout/vendor_id`
  - removed the request property `checkout/vendor_name`
  - removed the optional property `message` from the response with the `400` status
  - removed the optional property `message` from the response with the `401` status
  - removed the optional property `message` from the response with the `404` status
  - removed the optional property `message` from the response with the `429` status
  - api tag `Pre-Authorization Flow` added
  - api tag `Post-Authorization Flow` removed
  - …6 more

---

[Operation](https://skmtc.dev/riskified/apis/chargeback-guarantee/docs/api/checkout_denied/post.md) - [API](https://skmtc.dev/riskified/apis/chargeback-guarantee.md) - [Page](https://skmtc.dev/riskified/apis/chargeback-guarantee/changes/api/checkout_denied/post)