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Create order - Merchant Orders - Mercado Pago Developers

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Create order

POST

https://api.mercadopago.com/merchant_orders
Generate an order to associate it with the payment preference and obtain the necessary URL to start the payment flow.
Request's parameters
BODY
external_reference
string
Unique identifier sent by the seller to relate the order_id generated by Mercado Pago, with the id of their payment system
preference_id
string
Identifier of the payment preference associated to the order
marketplace
string
Indicates if it is a Mercado Libre (MELI) or Mercado Pago (NONE) Marketplace payment
notification_url
string
URL where you'd like to receive a payment notification.
Response parameters
id
number
Unique identifier of the order generated by Mercado Pago
status
string
Show the current merchant order state.
opened: Order without payments.
closed: Order with payments covering total amount.
expired: Canceled order that does not have approved or pending payments (all rejected or returned).
external_reference
string
Unique identifier sent by the seller to relate the order_id generated by Mercado Pago, with the id of their payment system
preference_id
string
Identifier of the payment preference associated to the order
Errors

400Error

invalid_user_id

invalid users involved.

invalid_order_state

the action requested is not valid for the current merchant order state.

invalid_string

string too long.

invalid_application_id

internal server error.

invalid_items

invalid unit_price.

user_not_allowed

user not allowed to operate.

invalid_operation_type

invalid operation type.

invalid_payer

invalid payer identifier.

invalid_id

invalid preference_id.

invalid_expired

the preference_id has expired.

invalid_sponsor_id

invalid sponsor_id.

invalid_marketplace

invalid marketplace.

unmarshal_error

could not unmarshal request body into merchant order struct.

invalid_url

invalid URL. Isn't HTTP or HTTPS.

communication_error

Error when calling...

401Error

invalid_token

access denied.

invalid_caller_id

invalid caller_id

Request
curl -X POST \
    'https://api.mercadopago.com/merchant_orders'\
    -H 'Content-Type: application/json' \
       -H 'Authorization: Bearer TEST-8971*********918-01191*********5874530a4*********4799fdf-1*********' \
    -d '{
  "external_reference": "default",
  "preference_id": "Preference identification",
  "sponsor_id": null,
  "payer": {
    "id": 123,
    "nickname": "JOHN"
  },
  "site_id": "MLA",
  "items": [
    {
      "id": "item id",
      "category_id": "item category",
      "currency_id": "BRL",
      "description": "item description",
      "picture_url": "item picture",
      "quantity": 1,
      "unit_price": 5,
      "title": "item title"
    }
  ],
  "application_id": "10000000000000000"
}'
Sample answer
{
  "id": 9999999999,
  "status": "closed",
  "external_reference": "default",
  "preference_id": "Preference identification",
  "collector": {
    "id": 999999999
  },
  "marketplace": "NONE",
  "date_created": "2018-09-14T17:11:31.000Z",
  "last_updated": "2018-09-14T17:11:43.000Z",
  "shipping_cost": 0,
  "total_amount": 5,
  "site_id": "MLA",
  "paid_amount": 5,
  "refunded_amount": 0,
  "payer": {
    "id": 999999999
  },
  "items": [
    {
      "id": "item id",
      "category_id": "item category",
      "currency_id": "BRL",
      "description": "item description",
      "picture_url": "item picture url",
      "title": "item title",
      "quantity": 1,
      "unit_price": 5
    }
  ],
  "additional_info": "additional information",
  "application_id": "10000000000000000",
  "order_status": "paid"
}