curl --request GET \
  --url https://api.upwell.com/api/rest/purchase-orders/{id} \
  --header 'Authorization: <api-key>'

import requests

url = "https://api.upwell.com/api/rest/purchase-orders/{id}"

headers = {"Authorization": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: '<api-key>'}};

fetch('https://api.upwell.com/api/rest/purchase-orders/{id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.upwell.com/api/rest/purchase-orders/{id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.upwell.com/api/rest/purchase-orders/{id}"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://api.upwell.com/api/rest/purchase-orders/{id}")
  .header("Authorization", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.upwell.com/api/rest/purchase-orders/{id}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)
request["Authorization"] = '<api-key>'

response = http.request(request)
puts response.read_body

{
  "purchaseOrder": {
    "annotations": [
      {
        "confidence": 123,
        "fieldLabel": "<string>",
        "id": "<string>",
        "pageNumber": 123,
        "reasoning": "<string>",
        "stampTitle": "<string>",
        "text": "<string>",
        "valueDate": "2023-12-25",
        "valueNumber": "<string>"
      }
    ],
    "billTo": {
      "address": {
        "city": "<string>",
        "stateOrProvince": "<string>",
        "streetLine1": "<string>",
        "streetLine2": "<string>",
        "streetLine3": "<string>",
        "zipOrPostalCode": "<string>"
      },
      "email": "<string>",
      "name": "<string>",
      "phone": "<string>"
    },
    "buyerContactName": "<string>",
    "buyerEmail": "<string>",
    "buyerName": "<string>",
    "buyerPhone": "<string>",
    "cancelAfterDate": "2023-12-25",
    "confirmToEmail": "<string>",
    "contractNumber": "<string>",
    "createdAt": "<unknown>",
    "customerAccountNumber": "<string>",
    "department": "<string>",
    "documentId": "<string>",
    "fobPoint": "<string>",
    "freightTerms": "<string>",
    "id": "<string>",
    "incoterms": "<string>",
    "legibilityScore": "<unknown>",
    "miscChargeAmount": 123,
    "notes": "<string>",
    "paymentTermsDescription": "<string>",
    "paymentTermsDiscountDays": 123,
    "paymentTermsDiscountPercent": "<unknown>",
    "paymentTermsNetDays": 123,
    "pickupDate": "2023-12-25",
    "poDate": "2023-12-25",
    "poNumber": "<string>",
    "poType": "<string>",
    "projectNumber": "<string>",
    "purchaseOrderLineItems": [
      {
        "brand": "<string>",
        "buyerPartNumber": "<string>",
        "description": "<string>",
        "extendedAmount": 123,
        "id": "<string>",
        "lineNumber": 123,
        "manufacturerName": "<string>",
        "manufacturerPartNumber": "<string>",
        "notes": "<string>",
        "packSize": "<string>",
        "promisedDeliveryDate": "2023-12-25",
        "quantity": "<unknown>",
        "requestedDeliveryDate": "2023-12-25",
        "revision": "<string>",
        "schedules": "<unknown>",
        "unitOfMeasure": "<string>",
        "unitPriceAmount": 123,
        "unitPriceBasis": "<unknown>",
        "upc": "<string>",
        "vendorPartNumber": "<string>"
      }
    ],
    "referenceNumbers": "<unknown>",
    "releaseNumber": "<string>",
    "remitTo": {
      "address": {
        "city": "<string>",
        "stateOrProvince": "<string>",
        "streetLine1": "<string>",
        "streetLine2": "<string>",
        "streetLine3": "<string>",
        "zipOrPostalCode": "<string>"
      },
      "email": "<string>",
      "name": "<string>",
      "phone": "<string>"
    },
    "requestedDeliveryDate": "2023-12-25",
    "requestedShipDate": "2023-12-25",
    "requesterName": "<string>",
    "requisitionNumber": "<string>",
    "revisionDate": "2023-12-25",
    "revisionNumber": "<string>",
    "shipTo": {
      "address": {
        "city": "<string>",
        "stateOrProvince": "<string>",
        "streetLine1": "<string>",
        "streetLine2": "<string>",
        "streetLine3": "<string>",
        "zipOrPostalCode": "<string>"
      },
      "email": "<string>",
      "name": "<string>",
      "phone": "<string>"
    },
    "shipToCode": "<string>",
    "shipVia": "<string>",
    "specialInstructions": "<string>",
    "subtotalAmount": 123,
    "supplier": {
      "address": {
        "city": "<string>",
        "stateOrProvince": "<string>",
        "streetLine1": "<string>",
        "streetLine2": "<string>",
        "streetLine3": "<string>",
        "zipOrPostalCode": "<string>"
      },
      "email": "<string>",
      "name": "<string>",
      "phone": "<string>"
    },
    "taxAmount": 123,
    "totalAmount": 123,
    "totalQuantity": "<unknown>",
    "totalVolume": "<unknown>",
    "totalWeight": "<unknown>",
    "vendorInstructions": "<string>",
    "vendorNumber": "<string>",
    "weightUnit": "<string>"
  }
}

{
  "error": "Not-NULL violation. null value in column \"shipment_id\" of relation \"shipments\" violates not-null constraint",
  "code": "constraint-violation"
}