curl --request GET \
  --url https://api.zivio.net/api/v4/purchase_orders/help \
  --header 'Authorization: Bearer <token>' \
  --header 'zivio-tenant-id: <api-key>'

import requests

url = "https://api.zivio.net/api/v4/purchase_orders/help"

headers = {
    "Authorization": "Bearer <token>",
    "zivio-tenant-id": "<api-key>"
}

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

print(response.text)

const options = {
  method: 'GET',
  headers: {Authorization: 'Bearer <token>', 'zivio-tenant-id': '<api-key>'}
};

fetch('https://api.zivio.net/api/v4/purchase_orders/help', 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.zivio.net/api/v4/purchase_orders/help",
  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: Bearer <token>",
    "zivio-tenant-id: <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.zivio.net/api/v4/purchase_orders/help"

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("zivio-tenant-id", "<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.zivio.net/api/v4/purchase_orders/help")
  .header("Authorization", "Bearer <token>")
  .header("zivio-tenant-id", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.zivio.net/api/v4/purchase_orders/help")

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

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

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

{
  "model": "PurchaseOrder",
  "endpoint": "api/v4/purchase_orders",
  "attributes": {
    "id": {
      "type": "integer",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[id]=123"
    },
    "created_at": {
      "type": "datetime",
      "operators": [
        "eq",
        "not_eq",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[created_at][gte]=2024-01-01T00:00:00Z"
    },
    "updated_at": {
      "type": "datetime",
      "operators": [
        "eq",
        "not_eq",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[updated_at][gte]=2024-01-01T00:00:00Z"
    },
    "client_org_id": {
      "type": "integer",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[client_org_id]=123"
    },
    "external_provider": {
      "type": "string",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "like",
        "not_like"
      ],
      "example": "filter[external_provider][like]=search_term"
    },
    "external_id": {
      "type": "string",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "like",
        "not_like"
      ],
      "example": "filter[external_id][like]=search_term"
    },
    "status": {
      "type": "integer",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[status]=123"
    },
    "deleted_at": {
      "type": "datetime",
      "operators": [
        "eq",
        "not_eq",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[deleted_at][gte]=2024-01-01T00:00:00Z"
    },
    "po_number": {
      "type": "string",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "like",
        "not_like"
      ],
      "example": "filter[po_number][like]=search_term"
    },
    "version": {
      "type": "integer",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[version]=123"
    },
    "updating": {
      "type": "boolean",
      "operators": [
        "eq",
        "not_eq"
      ],
      "example": "filter[updating]=true"
    },
    "expiry_date": {
      "type": "date",
      "operators": [
        "eq",
        "not_eq",
        "gt",
        "gte",
        "lt",
        "lte",
        "between"
      ],
      "example": "filter[expiry_date]=2024-12-31"
    },
    "ccy": {
      "type": "string",
      "operators": [
        "eq",
        "not_eq",
        "in",
        "not_in",
        "like",
        "not_like"
      ],
      "example": "filter[ccy][like]=search_term"
    }
  },
  "operators": {
    "eq": {
      "description": "Equal to (default when no operator specified)",
      "usage": "filter[<attribute>]=value"
    },
    "not_eq": {
      "description": "Not equal to",
      "usage": "filter[<attribute>][not_eq]=value"
    },
    "gt": {
      "description": "Greater than",
      "usage": "filter[<attribute>][gt]=value"
    },
    "gte": {
      "description": "Greater than or equal to",
      "usage": "filter[<attribute>][gte]=value"
    },
    "lt": {
      "description": "Less than",
      "usage": "filter[<attribute>][lt]=value"
    },
    "lte": {
      "description": "Less than or equal to",
      "usage": "filter[<attribute>][lte]=value"
    },
    "between": {
      "description": "Between two values (inclusive)",
      "usage": "filter[<attribute>][between]=min,max"
    },
    "in": {
      "description": "Matches any of the provided values (implicit when value contains comma)",
      "usage": "filter[<attribute>]=val1,val2,val3"
    },
    "not_in": {
      "description": "Does not match any of the provided values",
      "usage": "filter[<attribute>][not_in]=val1,val2,val3"
    },
    "like": {
      "description": "Contains text (case-insensitive)",
      "usage": "filter[<attribute>][like]=text"
    },
    "not_like": {
      "description": "Does not contain text",
      "usage": "filter[<attribute>][not_like]=text"
    }
  },
  "sorting": {
    "description": "Sort results by an attribute",
    "usage": "sort[<attribute>]=asc or sort[<attribute>]=desc",
    "default": "asc"
  }
}

{
  "error": "invalid_token",
  "error_description": "The access token provided is expired, revoked, malformed, or invalid for other reasons"
}

{
  "error": "insufficient_scope",
  "error_description": "The request requires higher privileges than provided by the access token",
  "required_scope": "purchase_orders:read",
  "provided_scopes": [
    "welcome:read"
  ]
}