How to Fix cURL Error 60: SSL Certificate Problem with Stripe API Requests?

cURL Error 60: SSL Certificate Problem

When sending API requests using Stripe, you may encounter the error "cURL error 60: SSL certificate problem: unable to get local issuer certificate." This issue arises due to difficulty verifying the SSL certificate during communication.

Resolution:

1. Download and Extract cacert.pem:

   • Navigate to https://curl.se/docs/caextract.html and follow the instructions to download and extract the cacert.pem file.

2. Save the File:

   • Store the downloaded cacert.pem file in an accessible location on your filesystem, such as C:xamppphpextrassslcacert.pem for XAMPP users.

3. Update php.ini:

   • Open your php.ini file and locate the [curl] section.

   • Add or update the following line:

     curl.cainfo = "C:\xampp\php\extras\ssl\cacert.pem"

   • You can also add the same line to the [openssl] section for added security.

4. Restart Services:

   • Restart your webserver (e.g., Apache) and PHP FPM server (if applicable).

Additional Option:

If the previous steps do not resolve the issue, you can try the following:

• In your code, where you perform the cURL request, add the following options:

  curl_setopt($process, CURLOPT_CAINFO, dirname(__FILE__) . '/cacert.pem');
  curl_setopt($process, CURLOPT_SSL_VERIFYPEER, true);

• This code sets the CA certificate file and enables SSL verification.

These steps will typically resolve the cURL error 60 by providing your PHP server with the necessary SSL certificates to verify the remote server's identity.

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