求助：Prestashop Webservice返回404错误，跨系统连接疑存配置问题

Hey there, let's dig into this 404 issue with your PrestaShop WebService call. Since it works flawlessly on other sites, your hunch about domain configuration is totally on target—let's break down actionable checks to get this sorted:

• Double-check the WebService endpoint URL
  PrestaShop's default WebService endpoint is /api/, so your full request URL should look like https://your-target-domain.com/api/. Watch for tiny mistakes: missing HTTPS (if the site enforces secure connections), extra/missing slashes, or accidental typos in the domain. Test this URL directly in your browser first—if it returns 404 here too, the problem lies with server/domain setup, not your code.

• Validate DNS and server virtual host config

  • Run nslookup your-target-domain.com or dig your-target-domain.com to confirm the domain resolves to the correct server IP. If it's a new domain, DNS propagation might take 10-30 minutes—wait it out or flush your local DNS cache if needed.
  • Check your server's virtual host settings (Apache: sites-available config files; Nginx: sites-available or nginx.conf). Make sure the domain's root directory points directly to your PrestaShop installation folder, and there are no rewrite rules that block or redirect the /api/ path.
  • Ensure URL rewriting is enabled: For Apache, confirm mod_rewrite is active; for Nginx, verify your config includes proper rewrite directives for PrestaShop's clean URLs.

• Confirm PrestaShop WebService backend settings
  Even though other sites work, it's worth verifying the target store's setup:

  • Log into the PrestaShop admin, go to Advanced Parameters > Web Service and make sure the WebService toggle is enabled.
  • Check that your API key has the necessary permissions for the resources you're accessing (e.g., products, orders). Missing permissions can sometimes masquerade as a 404.
  • If IP whitelisting is enabled, confirm the server running your connection program is added to the allowed IP list.

• Test with a minimal, verbose request
  Use curl to send a simple, detailed request and inspect the full response flow:

  curl -v -H "Authorization: Bearer YOUR_API_KEY" https://your-target-domain.com/api/products
  

  The -v flag will show you redirects, server headers, and any hidden error details that might explain the 404.

• Rule out firewall/security plugin interference

  • Temporarily disable server firewalls (UFW, iptables) or security modules like ModSecurity to see if the 404 goes away. If it does, add a rule to allow traffic to the /api/ path.
  • Check PrestaShop's built-in security modules or third-party security plugins—some might block API requests by default.

If you've worked through all these steps and still hit the 404, sharing details like your server environment (Apache/Nginx), PrestaShop version, or the full verbose curl output will help narrow things down further.

内容的提问来源于stack exchange，提问作者Marceli Wydra