OkHttpClient client = new OkHttpClient();

MediaType mediaType = MediaType.parse("multipart/form-data; boundary=---011000010111000001101001");
RequestBody body = RequestBody.create(mediaType, "-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"name\"\r\n\r\nStupidity\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"address\"\r\n\r\nEC2A4bx\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"contact\"\r\n\r\nMr. Gandu\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"email\"\r\n\r\nganeodus@chandu.com\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"phone\"\r\n\r\n+447058972280\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"website\"\r\n\r\nhttp://gandu.com\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"employees\"\r\n\r\n2000\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"limit\"\r\n\r\n40\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"monthly_minimum\"\r\n\r\n2.0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"setup_fee\"\r\n\r\n5.0\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"plan\"\r\n\r\nfree\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"type\"\r\n\r\nwire\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"password\"\r\n\r\nreset123\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"domains\"\r\n\r\ngandu.com, gandu.co.uk\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"departments\"\r\n\r\nstupidity, idiocracy\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"cities\"\r\n\r\n[{ \"name\" :  \"Mumbai\", \"latitude\" : 23.000, \"longitude\" : 56.000 }, { \"name\" : \"Paris\", \"latitude\" : 23.000, \"longitude\" : 56.000 }]\r\n-----011000010111000001101001\r\nContent-Disposition: form-data; name=\"logo\"\r\n\r\n\r\n-----011000010111000001101001--");
Request request = new Request.Builder()
  .url("http://localhost:8000/admin/customers")
  .post(body)
  .addHeader("content-type", "multipart/form-data; boundary=---011000010111000001101001")
  .addHeader("authorization", "Bearer K3TP2tAbb45F6p3T3R6ir9tyFFfpEDLAvzBHarpg")
  .build();

Response response = client.newCall(request).execute();