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POST
/
v1
/
checkouts
/
:id
/
cancel
curl -X POST https://api.stateset.com/v1/checkouts/checkout_abc123/cancel \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "reason": "customer_requested",
    "message": "Customer changed their mind"
  }'

{
  "id": "checkout_abc123",
  "buyer": {
    "first_name": "John",
    "last_name": "Doe",
    "email": "john.doe@example.com",
    "phone_number": "+1234567890"
  },
  "status": "canceled",
  "currency": "usd",
  "line_items": [
    {
      "id": "item_123",
      "item": {
        "id": "item_123",
        "quantity": 3
      },
      "base_amount": 3000,
      "discount": 0,
      "total": 3000,
      "subtotal": 3000,
      "tax": 0
    },
    {
      "id": "item_456",
      "item": {
        "id": "item_456",
        "quantity": 1
      },
      "base_amount": 500,
      "discount": 0,
      "total": 500,
      "subtotal": 500,
      "tax": 0
    }
  ],
  "fulfillment_address": {
    "name": "John Doe",
    "line_one": "456 Oak Ave",
    "city": "Los Angeles",
    "state": "CA",
    "country": "US",
    "postal_code": "90210"
  },
  "fulfillment_options": [
    {
      "type": "shipping",
      "id": "shipping_fast",
      "title": "Express Shipping",
      "subtitle": "2-3 business days",
      "carrier": "Shipping Co",
      "subtotal": 150,
      "tax": 0,
      "total": 150
    }
  ],
  "fulfillment_option_id": "shipping_fast",
  "totals": [
    {
      "type": "subtotal",
      "display_text": "Subtotal",
      "amount": 3500
    },
    {
      "type": "fulfillment",
      "display_text": "Shipping",
      "amount": 150
    },
    {
      "type": "tax",
      "display_text": "Tax",
      "amount": 100
    },
    {
      "type": "total",
      "display_text": "Total",
      "amount": 3750
    }
  ],
  "messages": [
    {
      "type": "info",
      "content_type": "plain",
      "content": "Checkout cancelled: Customer changed their mind"
    }
  ],
  "links": [],
  "canceled_at": "2024-09-30T14:30:00Z"
}
This endpoint cancels an active checkout session. Once canceled, the checkout cannot be completed or updated. This is useful when a customer abandons their cart or decides not to proceed with the purchase.

​
Authentication

This endpoint requires a valid API key with checkouts:write permissions. 
Authorization: Bearer YOUR_API_KEY

​
Path Parameters

​
id
string
required
Unique identifier for the checkout session

​
Request Body

​
reason
string
Optional reason for canceling the checkout (e.g., “customer_requested”, “timeout”, “inventory_unavailable”)
​
message
string
Optional custom message about the cancellation

​
Response

​
id
string
Unique identifier for the Checkout Session
​
status
string
Status will be canceled after successful cancellation
​
buyer
object
Information about the buyer
​
line_items
array
Line items from the canceled checkout
​
totals
array
Final totals before cancellation
​
messages
array
Array including cancellation message
​
canceled_at
string
ISO 8601 timestamp of when the checkout was canceled
curl -X POST https://api.stateset.com/v1/checkouts/checkout_abc123/cancel \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "reason": "customer_requested",
    "message": "Customer changed their mind"
  }'

{
  "id": "checkout_abc123",
  "buyer": {
    "first_name": "John",
    "last_name": "Doe",
    "email": "john.doe@example.com",
    "phone_number": "+1234567890"
  },
  "status": "canceled",
  "currency": "usd",
  "line_items": [
    {
      "id": "item_123",
      "item": {
        "id": "item_123",
        "quantity": 3
      },
      "base_amount": 3000,
      "discount": 0,
      "total": 3000,
      "subtotal": 3000,
      "tax": 0
    },
    {
      "id": "item_456",
      "item": {
        "id": "item_456",
        "quantity": 1
      },
      "base_amount": 500,
      "discount": 0,
      "total": 500,
      "subtotal": 500,
      "tax": 0
    }
  ],
  "fulfillment_address": {
    "name": "John Doe",
    "line_one": "456 Oak Ave",
    "city": "Los Angeles",
    "state": "CA",
    "country": "US",
    "postal_code": "90210"
  },
  "fulfillment_options": [
    {
      "type": "shipping",
      "id": "shipping_fast",
      "title": "Express Shipping",
      "subtitle": "2-3 business days",
      "carrier": "Shipping Co",
      "subtotal": 150,
      "tax": 0,
      "total": 150
    }
  ],
  "fulfillment_option_id": "shipping_fast",
  "totals": [
    {
      "type": "subtotal",
      "display_text": "Subtotal",
      "amount": 3500
    },
    {
      "type": "fulfillment",
      "display_text": "Shipping",
      "amount": 150
    },
    {
      "type": "tax",
      "display_text": "Tax",
      "amount": 100
    },
    {
      "type": "total",
      "display_text": "Total",
      "amount": 3750
    }
  ],
  "messages": [
    {
      "type": "info",
      "content_type": "plain",
      "content": "Checkout cancelled: Customer changed their mind"
    }
  ],
  "links": [],
  "canceled_at": "2024-09-30T14:30:00Z"
}