How to Post Json to PHP With Curl

PHP CURL Using POST Raw JSON Data

If you wanna use Content-type: application/json and raw data, seem your data should be in json format

$ch = curl_init();
$headers  = [
            'x-api-key: XXXXXX',
            'Content-Type: text/plain'
        ];
$postData = [
    'data1' => 'value1',
    'data2' => 'value2'
];
curl_setopt($ch, CURLOPT_URL,"XXXXXX");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($postData));           
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
$result     = curl_exec ($ch);
$statusCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);

How to post JSON to PHP with curl

Jordans analysis of why the $_POST-array isn't populated is correct. However, you can use

$data = file_get_contents("php://input");

to just retrieve the http body and handle it yourself. See PHP input/output streams.

From a protocol perspective this is actually more correct, since you're not really processing http multipart form data anyway. Also, use application/json as content-type when posting your request.

POST JSON Body with CURL in PHP

Finally found the solution based on trial error and googling everywhere

<?php

$curl = curl_init();
$data = 
[
    "to_number"=>'62111111111',
    "to_name"=>'Mr X',
    "message_template_id"=>'abc123abc123',
    "channel_integration_id"=>'123abc123abc',
    "language"=> 
    [
        "code"=>"id"
    ],
    "parameters"=>
    [
        "body" =>
        [ 
            [
                "key"=>"1",
                "value"=>"name",
                "value_text"=>"Mr X"
            ],
            [
                "key"=>"2",
                "value"=>"vehiclereg",
                "value_text"=>"L0001X"
            ],
            [
                "key"=>"3",
                "value"=>"date",
                "value_text"=>"29 Februari 2022"
            ]
        ]
    ]
];
curl_setopt_array($curl, array(
CURLOPT_HTTPHEADER => array(
    'Content-Type: application/json',
    'Authorization: Bearer 1122334455',
    'target_channel: tria;'
    ),
CURLOPT_URL => 'https://chat-service.com/api/direct',
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => 'POST',
CURLOPT_SSL_VERIFYHOST => 0,
CURLOPT_SSL_VERIFYPEER => 0,
CURLOPT_POSTFIELDS => json_encode($data)
));

$response = curl_exec($curl);
curl_close($curl);

echo "<pre>";
print_r($response);
?>

thank you stack overflow for inspiring

Hot to send a nested json post request with cURL and PHP

<?php

$data = [
    'assistanceRequest' => [
        'type' => 'TECHNICAL_DATA',
        'deliveryMode' => 'NORMAL',
        "creationDate" => "2020-04-09T10:09:00+02:00",
        "source" => "ATD",
        "language" => "FR",
        "country" => "FR"
    ],
    'customer' => [
        "code" => 123456,
        "login" => "client@company.com",
        "companyName" => "Workshop Harris",
        "phoneNumber" => "+44 123456789",
        "email" => "workshop@company.com"
    ],
];

echo "<pre>"; print_r(json_encode($data));

This is an example for your structure. Tweak it as you need.
The output of the above code will be:

{
  "assistanceRequest": {
    "type": "TECHNICAL_DATA",
    "deliveryMode": "NORMAL",
    "creationDate": "2020-04-09T10:09:00+02:00",
    "source": "ATD",
    "language": "FR",
    "country": "FR"
  },
  "customer": {
    "code": 123456,
    "login": "client@company.com",
    "companyName": "Workshop Harris",
    "phoneNumber": "+44 123456789",
    "email": "workshop@company.com"
  }
}

Post json data with php cURL

Moving my comment to an answer and expanding upon it:

Running the following should give you a bit more data.

var_dump(curl_getinfo($ch));

As stated by the original poster, the issue turned out to be the cert was being marked as invalid. More often than not, this is due to the cert being a self-signed cert, but any invalid cert would throw this error.

For development this is acceptable. However, in production you ALWAYS want to verify the url you are requesting has a valid cert. This is normally for security reasons.

Adding the curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); resolved the issue.

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