Hey there! We've found the following might help you get unblocked faster:

• 🧵 Seeking Assistance: CORS Issue Despite Proper Headers Configuration
• 🧵 this is what my Emergent says
• 🧵 CORS Issue: POST Request Blocked from Vercel Frontend to Railway Backend

If you find the answer from one of these, please let us know by solving the thread!

Which framework are using to build the APIs?

Node.js/Express Solution:

const cors = require('cors');
// import cors from 'cors'

// Allow all origins
app.use(cors());

Python/FastAPI Solution:

from flask_cors import CORS

# Allow all origins
CORS(app)