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I need to know how I can make http posts and http get from Arduino MKR1000 ( act as a client) to a local server.

I made it on Raspberry pi using python like this:

import requests
import json
     url = 'http://192.168.2.139:8040/api/sensor'
     value = {"LDRValue": 200};
     r = requests.post(url, json=value)
     r = requests.get(url)
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So, is the arduino.cc/en/Main/ArduinoMKR1000 the client instead of the Pi? – Dave X Jun 14 at 16:16

Maybe this link will be helpful for you.

Arduino-mkr1000-getting-starter-wifi

#include <WiFi101.h>
#include <WiFiClient.h>
#include <WiFiServer.h>
#include <WiFiSSLClient.h>
#include <WiFiUdp.h>

/*
* This example is modified from the original file 
* https://github.com/arduino-libraries/WiFi101/blob/master/examples/
 SimpleWebServerWiFi/SimpleWebServerWiFi.ino
*/
#include <SPI.h>
#include <WiFi101.h>

char ssid[] = "yourNetworkSSID";      //  your network SSID (name)
char pass[] = "yourNetworkPassword";   // your network password
int keyIndex = 0;                 // your network key Index number (needed    only for WEP)
int ledpin = 6;
bool val = true;

int status = WL_IDLE_STATUS;
WiFiServer server(80);

void setup() {
Serial.begin(9600);      // initialize serial communication
Serial.print("Start Serial ");
pinMode(ledpin, OUTPUT);      // set the LED pin mode
// Check for the presence of the shield
Serial.print("WiFi101 shield: ");
if (WiFi.status() == WL_NO_SHIELD) {
Serial.println("NOT PRESENT");
return; // don't continue
}
Serial.println("DETECTED");
// attempt to connect to Wifi network:
while ( status != WL_CONNECTED) {
digitalWrite(ledpin, LOW);
Serial.print("Attempting to connect to Network named: ");
Serial.println(ssid);                   // print the network name (SSID);
digitalWrite(ledpin, HIGH);
// Connect to WPA/WPA2 network. Change this line if using open or WEP          network:
status = WiFi.begin(ssid, pass);
// wait 10 seconds for connection:
delay(10000);
}
server.begin();                           // start the web server on port 80
printWifiStatus();                        // you're connected now, so print out        the status
digitalWrite(ledpin, HIGH);
 }
 void loop() {
 WiFiClient client = server.available();   // listen for incoming clients

if (client) {                             // if you get a client,
Serial.println("new client");           // print a message out the serial     port
String currentLine = "";                // make a String to hold incoming data from the client
while (client.connected()) {            // loop while the client's connected
  if (client.available()) {             // if there's bytes to read from the client,
    char c = client.read();             // read a byte, then
    Serial.write(c);                    // print it out the serial monitor
    if (c == '\n') {                    // if the byte is a newline character

      // if the current line is blank, you got two newline characters in a row.
      // that's the end of the client HTTP request, so send a response:
      if (currentLine.length() == 0) {
        // HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)
        // and a content-type so the client knows what's coming, then a blank line:
        client.println("HTTP/1.1 200 OK");
        client.println("Content-type:text/html");
        client.println();

        // the content of the HTTP response follows the header:
        client.print("Click <a href=\"/H\">here</a> turn the LED on pin 9     on<br>");
        client.print("Click <a href=\"/L\">here</a> turn the LED on pin 9 off<br>");

        // The HTTP response ends with another blank line:
        client.println();
        // break out of the while loop:
        break;
      }
      else {      // if you got a newline, then clear currentLine:
        currentLine = "";
      }
    }
    else if (c != '\r') {    // if you got anything else but a carriage      return character,
      currentLine += c;      // add it to the end of the currentLine
    }

    // Check to see if the client request was "GET /H" or "GET /L":
    if (currentLine.endsWith("GET /H")) {
      digitalWrite(ledpin, HIGH);               // GET /H turns the LED on
    }
    if (currentLine.endsWith("GET /L")) {
      digitalWrite(ledpin, LOW);                // GET /L turns the LED off
    }
  }
}
// close the connection:
  client.stop();
  Serial.println("client disonnected");
  }
}

void printWifiStatus() {
// print the SSID of the network you're attached to:
Serial.print("SSID: ");
Serial.println(WiFi.SSID());

// print your WiFi shield's IP address:
IPAddress ip = WiFi.localIP();
Serial.print("IP Address: ");
Serial.println(ip);

// print the received signal strength:
long rssi = WiFi.RSSI();
Serial.print("signal strength (RSSI):");
Serial.print(rssi);
Serial.println(" dBm");
// print where to go in a browser:
Serial.print("To see this page in action, open a browser to http://");
Serial.println(ip);
}
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