cURL error 60: SSL certificate problem: unable to get local issuer certificate

Often, cURL error 60: SSL certificate problem: unable to get local issuer certificate error occurs when we try to call the API with the secure https:// protocol in the request URL. In this article, we will discuss why does this error occur? how to resolve: unable to get local issuer certificate error occurs? Let’s jump into it.

Why Does This Error Occur?

Just go to your API call code and try to run the request URL with only http:// protocol. You can’t see the error anymore because secure API calls require an SSL certificate.

This error occurs because the API call makes a secure connection request using the self-signed certificate. When it does not find a valid certificate, it throws an error.

It has a very very simple solution. We just need to download the certificate and set the path. Are you ready? Then let’s set up an SSL certificate step by step as below:

How To Resolve: unable to get local issuer certificate error?

1. Download the “cacert.pem” free certificate file from the official website here: http://curl.haxx.se/docs/caextract.html
2. Move the cacert.pem file in a reachable destination for the PHP. It is advisable to move the file for the WAMP user to C:\wamp64\bin\php\cacert.pem, for XAMPP user to C:\xampp\php\extras\ssl\cacert.pem, for the AMPPS user to C:\Program Files (x86)\Ampps\php\extras\ssl\cacert.pem
3. Now, open your php.ini file and find the “curl.cainfo” option. You will see something like the following:

; curl.cainfo = 

4. After that, we need to add the path of the certificate to “curl.cainfo” and remove semicolon(;) as follow:

curl.cainfo = "C:\wamp64\bin\php\cacert.pem"

5. The very very most important step is to save and close your php.ini. Restart your web server and try your request again. If you do not set the right path, then you will experience a CURL 77 error.

Hurray! we have completed all steps to solve unable to get local issuer certificate error.

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That’s it from our end. We hope this article helped you to resolve cURL error 60: SSL certificate problem: unable to get local issuer certificate error.

Please let us know in the comments if everything worked as expected, your issues, or any questions. If you think this article saved your time & money, please do comment, share, like & subscribe. Thank you for reading this post. 🙂 Keep Smiling! Happy Coding!