Passing JSON data using CURL

Question

I am using a CURL post to an existing API. The API returns the error content must be JSON or plain text. I json_encode data and post the encoded data to the API.

In the API, it says the Content-Type should be application/x-www-form-urlencoded'.

However, it still returns the error content must be JSON or plain text. What could be the issue with my code below after submitting my data in JSON format?

This is a sample request body in the API doc.

"item" : "Store", "content" : { "channel":"false", "hop": "false", "msg": "Order successfully placed." }

Controller

 public function postUrl() { $url = "https://api.com/"; $data = array("item" => "Nike Shoes","content" => array ("channel" => "false" ,"hop" => "false","msg" => "Item Sold")); $postdata = json_encode($data); $ch = curl_init(); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded')); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST"); curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata); $result = curl_exec($ch); curl_close($ch); Log::info($postdata); }

Hackimov · Accepted Answer · 2020-06-26 11:08:11Z

Perhaps this is because boolean values are specified as strings.

public function postUrl() { $url = 'https://api.com/'; $data = [ 'item' => 'Nike Shoes', 'content' => [ 'channel' => false, 'hop' => false, 'msg' => 'Item Sold' ] ]; $postData = json_encode($data); $ch = curl_init(); curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST'); curl_setopt($ch, CURLOPT_POSTFIELDS, $postData); $result = curl_exec($ch); curl_close($ch); Log::info($postData); }

Also try this

public function postUrl() { $url = 'https://api.com/'; $data = [ 'item' => 'Nike Shoes', 'content' => [ 'channel' => 'false', 'hop' => 'false', 'msg' => 'Item Sold' ] ]; $postData = json_encode($data); $ch = curl_init(); curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: text/json']); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST'); curl_setopt($ch, CURLOPT_POSTFIELDS, $postData); $result = curl_exec($ch); curl_close($ch); Log::info($postData); }

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