Facebook Graph Places Search API调用持续返回33错误码咨询

Hey there, let's figure out why you're hitting that (#33) OAuthException when trying to use Places Search. That error typically means either your request is missing something critical, or your app/token doesn't have access to the endpoint. Here's how to fix it step by step:

• Add a valid API version to your request
  Facebook regularly deprecates old API versions, and the unversioned endpoint (which defaults to an older version) might no longer support Places Search for user tokens. Append a recent stable version (like v18.0—check Facebook's official docs for the latest) to your URL:

  https://graph.facebook.com/v18.0/search?type=place&center=40.7304,-73.9921&distance=1000&q=cafe&fields=name,checkins,website&limit=3&access_token=XXXX
  

• Check your app's mode and test users
  If your app is still in Development Mode, most Graph API endpoints only work with test users you've created in your app dashboard. If you're using a regular user's access token (not a test user), that's likely the issue. You have two options:

  1. Switch your app to Live Mode (you'll need to complete basic app verification first), or
  2. Create a test user in your app's Dashboard > Test Users and use their access token instead.

• Validate your access token and permissions
  Make sure your token is valid and has the necessary permissions:

  • Use the Graph API's debug endpoint to check your token:

    https://graph.facebook.com/debug_token?input_token=YOUR_USER_TOKEN&access_token=YOUR_APP_ID|YOUR_APP_SECRET
    

    This will show you if the token is expired, what permissions it grants, and if it's linked to a valid user/test user.
  • For Places Search, you'll need at minimum the user_location permission (for user tokens). If you're requesting the checkins field, you'll also need the user_checkins permission—this is a reviewed permission, so you'll need to submit your app for approval if you want to use it outside test users.

• Ensure the Places product is enabled in your app
  Head to your app's Dashboard > Products, and make sure you've added the "Places" product. If it's not enabled, add it and follow the setup prompts—this is required to access Places Search endpoints.

• Simplify your request to isolate the issue
  Try removing the checkins field temporarily to see if the request works:

  https://graph.facebook.com/v18.0/search?type=place&center=40.7304,-73.9921&distance=1000&q=cafe&fields=name,website&limit=3&access_token=XXXX
  

  If this succeeds, the problem was the checkins field requiring a permission you don't have yet.

Start with adding the API version first—this is the most common fix for outdated endpoint issues. If that doesn't work, move through the other steps one by one.

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