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  1. Printful Help Center
  2. Integrations
  3. WooCommerce

Articles in this section


  • What are the most common WooCommerce and WordPress errors and how to resolve them?
  • How do I provide shipping tracking information to my customers?
  • Can I add a size guide to my products on WooCommerce?
  • How do I change the language of my WooCommerce storefront/personalization tool?
  • How do I use product personalization for WooCommerce?
  • What are some WooCommerce hosting providers I can use?
  • What do I do if my consumer key is invalid?
  • Why am I getting an invalid API key error in my shopping cart?
  • How do I fix Sync error: Incorrect URL entered?
  • How do I fix Sync error: PHP memory is running low?
  • See more

Why am I getting an invalid API key error in my shopping cart?

If you see an error message that reads ERROR: Invalid API key during checkout, follow these steps: 

  1. Go to Wordpress > Printful > Settings
  2. Delete the Printful Store API Key and click Save changes
  3. Go to your Dashboard and click Connect
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  • I get an Error when connecting WooCommerce to Printful, what does it mean?
  • What do I do if my consumer key is invalid?
  • What should I know about API key to API token migration?
  • How do I fix Sync error: Incorrect URL entered?
  • How can I generate a new API key for my Bandzoogle store?
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