2

Here's the url

http://<magento host>/rest/default/V1/carts/mine/items

Method POST

Headers

Authentication :: Bearer <customer token>
Content-Type :: application/json

Body json data

{
  "cartItem": {
    "sku": "HKrh15hc",
    "qty": 1,
    "quote_id": "23",
    "product_option": {
      "extension_attributes": {
        "configurable_item_options": [
          {
            "option_id": "93",
            "option_value": 50
          },
          {
            "option_id": "141",
            "option_value": 169
          }
        ]
      }
    },
    "extension_attributes": {}
  }
}

I have cross checked the attributes and options value id and also a Quote id

Response

{ "message": "Could not save quote", "trace": "#0 /var/www/html/rb-dev/vendor/magento/module-quote/Model/QuoteRepository/SaveHandler.php(82): Magento\Quote\Model\Quote\Item\CartItemPersister->save(Object(Magento\Quote\Model\Quote\Interceptor), Object(Magento\Quote\Model\Quote\Item))\n#1 /var/www/html/rb-dev/generated/code/Magento/Quote/Model/QuoteRepository/SaveHandler/Interceptor.php(24): Magento\Quote\Model\QuoteRepository\SaveHandler->save(Object(Magento\Quote\Model\Quote\Interceptor))\n#2 /var/www/html/rb-dev/vendor/magento/module-quote/Model/QuoteRepository.php(181): Magento\Quote\Model\QuoteRepository\SaveHandler\Interceptor->save(Object(Magento\Quote\Model\Quote\Interceptor))\n#3 /var/www/html/rb-dev/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Quote\Model\QuoteRepository->save(Object(Magento\Quote\Model\Quote\Interceptor))\n#4 /var/www/html/rb-dev/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Quote\Model\QuoteRepository\Interceptor->___callParent('save', Array)\n#5 /var/www/html/rb-dev/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Quote\Model\QuoteRepository\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Quote\Model\Quote\Interceptor))\n#6 /var/www/html/rb-dev/generated/code/Magento/Quote/Model/QuoteRepository/Interceptor.php(78): Magento\Quote\Model\QuoteRepository\Interceptor->___callPlugins('save', Array, Array)\n#7 /var/www/html/rb-dev/vendor/magento/module-quote/Model/Quote/Item/Repository.php(92): Magento\Quote\Model\QuoteRepository\Interceptor->save(Object(Magento\Quote\Model\Quote\Interceptor))\n#8 [internal function]: Magento\Quote\Model\Quote\Item\Repository->save(Object(Magento\Quote\Model\Quote\Item))\n#9 /var/www/html/rb-dev/vendor/magento/module-webapi/Controller/Rest.php(330): call_user_func_array(Array, Array)\n#10 /var/www/html/rb-dev/vendor/magento/module-webapi/Controller/Rest.php(239): Magento\Webapi\Controller\Rest->processApiRequest()\n#11 /var/www/html/rb-dev/vendor/magento/framework/Interception/Interceptor.php(58): Magento\Webapi\Controller\Rest->dispatch(Object(Magento\Framework\App\Request\Http))\n#12 /var/www/html/rb-dev/vendor/magento/framework/Interception/Interceptor.php(138): Magento\Webapi\Controller\Rest\Interceptor->___callParent('dispatch', Array)\n#13 /var/www/html/rb-dev/vendor/magento/framework/Interception/Interceptor.php(153): Magento\Webapi\Controller\Rest\Interceptor->Magento\Framework\Interception\{closure}(Object(Magento\Framework\App\Request\Http))\n#14 /var/www/html/rb-dev/generated/code/Magento/Webapi/Controller/Rest/Interceptor.php(39): Magento\Webapi\Controller\Rest\Interceptor->___callPlugins('dispatch', Array, Array)\n#15 /var/www/html/rb-dev/vendor/magento/framework/App/Http.php(135): Magento\Webapi\Controller\Rest\Interceptor->dispatch(Object(Magento\Framework\App\Request\Http))\n#16 /var/www/html/rb-dev/generated/code/Magento/Framework/App/Http/Interceptor.php(24): Magento\Framework\App\Http->launch()\n#17 /var/www/html/rb-dev/vendor/magento/framework/App/Bootstrap.php(256): Magento\Framework\App\Http\Interceptor->launch()\n#18 /var/www/html/rb-dev/index.php(39): Magento\Framework\App\Bootstrap->run(Object(Magento\Framework\App\Http\Interceptor))\n#19 {main}" }

1

Use below collection which have create cart , Add simple and configurable product into the cart API which worked for me.

https://www.getpostman.com/collections/a7900127aac366535a20

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