V1

API change history

The database contains detailed information on export and import prohibitions and restrictions other than tariffs and taxes, with details on the products (tariff lines) covered by the measure, the related WTO justification, national legal basis and administrative mechanisms.

WTO Agreement List

Try it

Request

Request URL

Request parameters

  • (optional)
    Default value : en
    string

    Language.

Request headers

  • string
    Subscription key which provides access to this API. Found in your Profile.

Request body

Responses

200 OK

Representations

{
  "data": [
    {
      "code": "020",
      "source": "WTO",
      "start_dt_provision": "PC/M/10",
      "end_dt_provision": "",
      "abbreviation": "STE Understanding",
      "short_name": "State Trading Enterprises Understanding",
      "official_name": "Understanding on the Interpretation of Article XVII of the General Agreement on Tariffs and Trade 1994",
      "web_link": "http://www.wto.org/english/docs_e/legal_e/08-17_e.htm",
      "start_dt": "01/01/1995"
    },
    {
      "code": "007",
      "source": "WTO",
      "start_dt_provision": "PC/M/10",
      "end_dt_provision": "",
      "abbreviation": "GATT 1994",
      "short_name": "GATT 1994",
      "official_name": "Language Incorporating GATT 1947 and Other Instruments Into GATT 1994",
      "web_link": "http://www.wto.org/english/docs_e/legal_e/06-gatt_e.htm",
      "start_dt": "01/01/1995"
    }
  ],
  "links": {
    "first": "/?page=1",
    "last": "/?page=1"
  },
  "meta": {
    "current_page": 1,
    "from": 1,
    "last_page": 1,
    "path": "/",
    "per_page": 50,
    "to": 2,
    "total": 2
  }
}
{
  "title": "Root Type for WtoAgreementList",
  "required": [
    "links",
    "meta",
    "data"
  ],
  "type": "object",
  "properties": {
    "data": {
      "type": "array",
      "items": {
        "required": [
          "code",
          "source",
          "start_dt_provision",
          "end_dt_provision",
          "abbreviation",
          "short_name",
          "official_name",
          "web_link",
          "start_dt"
        ],
        "type": "object",
        "properties": {
          "code": {
            "type": "string"
          },
          "source": {
            "type": "string"
          },
          "start_dt_provision": {
            "type": "string"
          },
          "end_dt_provision": {
            "type": "string"
          },
          "abbreviation": {
            "type": "string"
          },
          "short_name": {
            "type": "string"
          },
          "official_name": {
            "type": "string"
          },
          "web_link": {
            "type": "string"
          },
          "start_dt": {
            "type": "string"
          }
        }
      },
      "description": "Array containg the result list of the query"
    },
    "links": {
      "required": [
        "prev",
        "next",
        "first",
        "last"
      ],
      "type": "object",
      "properties": {
        "prev": {
          "type": "object",
          "description": "Represents a link to a resource"
        },
        "next": {
          "type": "object",
          "description": "Represents a link to a resource"
        },
        "first": {
          "type": "object",
          "description": "Represents a link to a resource"
        },
        "last": {
          "type": "object",
          "description": "Represents a link to a resource"
        }
      },
      "description": "Represents the structure to hold the links metadata for the result of the operations",
      "example": "\"links\": {\n    \"first\": \"/api/products?page=2\",\n    \"last\": \"/api/products?page=33\",\n    \"prev\": \"/api/products?page=1\",\n    \"next\": \"/api/products?page=2\"\n}"
    },
    "meta": {
      "required": [
        "query",
        "current_page",
        "from",
        "last_page",
        "path",
        "per_page",
        "to",
        "total"
      ],
      "type": "object",
      "properties": {
        "query": {
          "type": "string",
          "description": "The query requested from the api"
        },
        "current_page": {
          "type": "integer",
          "description": "The actual page of the paged query result"
        },
        "from": {
          "type": "integer",
          "description": "The first page index of the query result"
        },
        "last_page": {
          "type": "integer",
          "description": "The last page of the paged query result"
        },
        "path": {
          "type": "string",
          "description": "The base path of the query"
        },
        "per_page": {
          "type": "integer",
          "description": "Wether there is a per page parameter"
        },
        "to": {
          "type": "integer",
          "description": "The last page index of the query result"
        },
        "total": {
          "type": "integer",
          "description": "Total number of pages of the query result"
        }
      },
      "description": "Represents the structure to hold the metadata for the result of the operations",
      "example": {
        "query": "page=2&per_page=20&locale=en",
        "current_page": 1,
        "from": 1,
        "last_page": 333,
        "path": "notifications",
        "per_page": 50,
        "to": 1,
        "total": 333
      }
    }
  },
  "description": "",
  "example": {
    "data": [
      {
        "code": "020",
        "source": "WTO",
        "start_dt_provision": "PC/M/10",
        "end_dt_provision": "",
        "abbreviation": "STE Understanding",
        "short_name": "State Trading Enterprises Understanding",
        "official_name": "Understanding on the Interpretation of Article XVII of the General Agreement on Tariffs and Trade 1994",
        "web_link": "http://www.wto.org/english/docs_e/legal_e/08-17_e.htm",
        "start_dt": "01/01/1995"
      },
      {
        "code": "007",
        "source": "WTO",
        "start_dt_provision": "PC/M/10",
        "end_dt_provision": "",
        "abbreviation": "GATT 1994",
        "short_name": "GATT 1994",
        "official_name": "Language Incorporating GATT 1947 and Other Instruments Into GATT 1994",
        "web_link": "http://www.wto.org/english/docs_e/legal_e/06-gatt_e.htm",
        "start_dt": "01/01/1995"
      }
    ],
    "links": {
      "first": "/?page=1",
      "last": "/?page=1"
    },
    "meta": {
      "current_page": 1,
      "from": 1,
      "last_page": 1,
      "path": "/",
      "per_page": 50,
      "to": 2,
      "total": 2
    }
  }
}

422 Unprocessable Entity

Response if one or more of the the query parameters are malformed or doesn't comply with the given constraints. Ex. validation of paramters failed.

Representations

{
  "code": "404",
  "message": "Resource not found."
}
{
  "title": "Error",
  "required": [
    "code",
    "message"
  ],
  "type": "object",
  "properties": {
    "code": {
      "type": "string"
    },
    "message": {
      "type": "string"
    }
  },
  "description": "General error data type",
  "example": {
    "code": "404",
    "message": "Resource not found."
  }
}

Code samples

library(httr)
library(jsonlite)

headers = c(
    # Request headers
    'Ocp-Apim-Subscription-Key' = '{subscription key}'
    )

params = list()
# Request parameters
params['locale'] = 'en'


resp <- GET(paste0("https://api.wto.org/qr/v1/wto-agreements?"
                   , paste0(names(params),'=',params,collapse = "&")),
                   add_headers(headers))

if(!http_error(resp)){
  jsonRespText<-fromJSON(rawToChar(content(resp,encoding = 'UTF-8')))$Dataset
  jsonRespText
}else{
  stop('Error in Response')
}

using System;
using System.Net.Http.Headers;
using System.Text;
using System.Net.Http;
using System.Web;

namespace CSHttpClientSample
{
    static class Program
    {
        static void Main()
        {
            MakeRequest();
            Console.WriteLine("Hit ENTER to exit...");
            Console.ReadLine();
        }
        
        static async void MakeRequest()
        {
            var client = new HttpClient();
            var queryString = HttpUtility.ParseQueryString(string.Empty);

            // Request headers
            client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", "{subscription key}");

            // Request parameters
            queryString["locale"] = "en";
            var uri = "https://api.wto.org/qr/v1/wto-agreements?" + queryString;

            var response = await client.GetAsync(uri);
        }
    }
}	
// // This sample uses the Apache HTTP client from HTTP Components (http://hc.apache.org/httpcomponents-client-ga/)
import java.net.URI;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.utils.URIBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

public class JavaSample 
{
    public static void main(String[] args) 
    {
        HttpClient httpclient = HttpClients.createDefault();

        try
        {
            URIBuilder builder = new URIBuilder("https://api.wto.org/qr/v1/wto-agreements");

            builder.setParameter("locale", "en");

            URI uri = builder.build();
            HttpGet request = new HttpGet(uri);
            request.setHeader("Ocp-Apim-Subscription-Key", "{subscription key}");


            // Request body
            StringEntity reqEntity = new StringEntity("{body}");
            request.setEntity(reqEntity);

            HttpResponse response = httpclient.execute(request);
            HttpEntity entity = response.getEntity();

            if (entity != null) 
            {
                System.out.println(EntityUtils.toString(entity));
            }
        }
        catch (Exception e)
        {
            System.out.println(e.getMessage());
        }
    }
}


<!DOCTYPE html>
<html>
<head>
    <title>JSSample</title>
    <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.0/jquery.min.js"></script>
</head>
<body>

<script type="text/javascript">
    $(function() {
        var params = {
            // Request parameters
            "locale": "en",
        };
      
        $.ajax({
            url: "https://api.wto.org/qr/v1/wto-agreements?" + $.param(params),
            beforeSend: function(xhrObj){
                // Request headers
                xhrObj.setRequestHeader("Ocp-Apim-Subscription-Key","{subscription key}");
            },
            type: "GET",
            // Request body
            data: "{body}",
        })
        .done(function(data) {
            alert("success");
        })
        .fail(function() {
            alert("error");
        });
    });
</script>
</body>
</html>

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[])
{
    NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init];
    
    NSString* path = @"https://api.wto.org/qr/v1/wto-agreements";
    NSArray* array = @[
                         // Request parameters
                         @"entities=true",
                         @"locale=en",
                      ];
    
    NSString* string = [array componentsJoinedByString:@"&"];
    path = [path stringByAppendingFormat:@"?%@", string];

    NSLog(@"%@", path);

    NSMutableURLRequest* _request = [NSMutableURLRequest requestWithURL:[NSURL URLWithString:path]];
    [_request setHTTPMethod:@"GET"];
    // Request headers
    [_request setValue:@"{subscription key}" forHTTPHeaderField:@"Ocp-Apim-Subscription-Key"];
    // Request body
    [_request setHTTPBody:[@"{body}" dataUsingEncoding:NSUTF8StringEncoding]];
    
    NSURLResponse *response = nil;
    NSError *error = nil;
    NSData* _connectionData = [NSURLConnection sendSynchronousRequest:_request returningResponse:&response error:&error];

    if (nil != error)
    {
        NSLog(@"Error: %@", error);
    }
    else
    {
        NSError* error = nil;
        NSMutableDictionary* json = nil;
        NSString* dataString = [[NSString alloc] initWithData:_connectionData encoding:NSUTF8StringEncoding];
        NSLog(@"%@", dataString);
        
        if (nil != _connectionData)
        {
            json = [NSJSONSerialization JSONObjectWithData:_connectionData options:NSJSONReadingMutableContainers error:&error];
        }
        
        if (error || !json)
        {
            NSLog(@"Could not parse loaded json with error:%@", error);
        }
        
        NSLog(@"%@", json);
        _connectionData = nil;
    }
    
    [pool drain];

    return 0;
}

<?php
// This sample uses the Apache HTTP client from HTTP Components (http://hc.apache.org/httpcomponents-client-ga/)
require_once 'HTTP/Request2.php';

$request = new Http_Request2('https://api.wto.org/qr/v1/wto-agreements');
$url = $request->getUrl();

$headers = array(
    // Request headers
    'Ocp-Apim-Subscription-Key' => '{subscription key}',
);

$request->setHeader($headers);

$parameters = array(
    // Request parameters
    'locale' => 'en',
);

$url->setQueryVariables($parameters);

$request->setMethod(HTTP_Request2::METHOD_GET);

// Request body
$request->setBody("{body}");

try
{
    $response = $request->send();
    echo $response->getBody();
}
catch (HttpException $ex)
{
    echo $ex;
}

?>
########### Python 2.7 (for Python 3.2 please scroll) #############
import httplib, urllib, base64

headers = {
    # Request headers
    'Ocp-Apim-Subscription-Key': '{subscription key}',
}

params = urllib.urlencode({
    # Request parameters
    'locale': 'en',
})

try:
    conn = httplib.HTTPSConnection('api.wto.org')
    conn.request("GET", "/qr/v1/wto-agreements?%s" % params, "{body}", headers)
    response = conn.getresponse()
    data = response.read()
    print(data)
    conn.close()
except Exception as e:
    print("[Errno {0}] {1}".format(e.errno, e.strerror))

####################################

########### Python 3.2 #############
import http.client, urllib.request, urllib.parse, urllib.error, base64

headers = {
    # Request headers
    'Ocp-Apim-Subscription-Key': '{subscription key}',
}

params = urllib.parse.urlencode({
    # Request parameters
    'locale': 'en',
})

try:
    conn = http.client.HTTPSConnection('api.wto.org')
    conn.request("GET", "/qr/v1/wto-agreements?%s" % params, "{body}", headers)
    response = conn.getresponse()
    data = response.read()
    print(data)
    conn.close()
except Exception as e:
    print("[Errno {0}] {1}".format(e.errno, e.strerror))

####################################
require 'net/http'

uri = URI('https://api.wto.org/qr/v1/wto-agreements')

query = URI.encode_www_form({
    # Request parameters
    'locale' => 'en'
})
if query.length > 0
  if uri.query && uri.query.length > 0
    uri.query += '&' + query
  else
    uri.query = query
  end
end

request = Net::HTTP::Get.new(uri.request_uri)
# Request headers
request['Ocp-Apim-Subscription-Key'] = '{subscription key}'
# Request body
request.body = "{body}"

response = Net::HTTP.start(uri.host, uri.port, :use_ssl => uri.scheme == 'https') do |http|
    http.request(request)
end

puts response.body