使用Postman调用Shopify购物车接口时遭遇404错误的解决方案咨询

Hey there, let's fix that 404 error you're getting when trying to pull Shopify cart data with Postman. I've troubleshooted this exact issue dozens of times, so here are the most reliable solutions to get your request working:

Shopify has specific endpoints for cart data—you can't just guess them. Let's break it down:

• For the front-end cart API (the one that powers the store's public cart), the correct URL is:

  https://your-store-name.myshopify.com/cart.js
  

  Don't mix this up with Admin API endpoints (like /admin/api/2024-07/carts.json)—those are for authenticated admin actions, not fetching a customer's active cart.
• Double-check for typos: missing .myshopify.com, extra slashes, or misspelled store names are super common culprits.

If you're using a more advanced setup (like Storefront API), make sure your credentials are right:

• Storefront API: To fetch a cart via GraphQL, use this endpoint:

  https://your-store-name.myshopify.com/api/2024-07/graphql.json
  

  Add this header to your request:

  X-Shopify-Storefront-Access-Token: your-storefront-token
  

  Ensure your token has the unauthenticated_read_checkouts permission (you can set this in your Shopify admin under Apps > Manage private apps > Storefront API).
• Password-protected stores: If your store is behind a password wall, add this header to bypass it:

  X-Shopify-Store-Password: your-store-password
  

Shopify carts are tied to browser sessions. When you use Postman, you're not carrying the same cookies as your browser, so Shopify might not recognize an active cart. Here's how to fix that:

1. Go to your Shopify store in a browser, add an item to the cart.
2. Open your browser's DevTools (F12) → go to Application → Cookies.
3. Copy the values for _shopify_y and cart cookies.
4. In Postman, add a Cookie header to your request:

   Cookie: _shopify_y=your-cookie-value; cart=your-cart-value
   

   Now Postman will "pretend" to be your browser's session, and the cart data should load.

• For /cart.js, you must use a GET request. Using POST/PUT/DELETE here will throw a 404.
• For Storefront API GraphQL requests, use POST (since GraphQL requires sending a query in the request body).

• Make sure your store is active (not paused or suspended in Shopify Admin).
• If you recently changed your store's domain, update the URL in Postman to match the new primary domain.

If you're still hitting 404s, check the response body in Postman—sometimes Shopify includes a more specific error message (like "Invalid store domain") that can point you to the issue. You can also verify the endpoint works in your browser first (just paste https://your-store.myshopify.com/cart.js into the address bar) to rule out server-side problems.

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