Minimal Payment Test (No JS)
Important – January 2026 test version
• This version has no JavaScript → no console errors
• Signature is pre-calculated for these exact values
• If you change any field → you must recalculate sign manually
• Use online MD5 tool: https://www.md5hashgenerator.com
• Or create quick PHP file (see instructions below)
How to get the correct sign value:
1. Use online MD5 calculator
2. Input this exact string (copy-paste):
appid=app_test_001&email=testuser@example.com&goods_list=[{"name":"Bottle of Coke 50cl","price":600,"quantity":2}]¬ify_url=https://example.com/notify&out_trade_no=TEST-202601130001&return_url=https://example.com/thank-you&total_fee=500zT4rP9mK7vQ2xL5wN8jF0cB3aY6eH1gDqP9sU2tM4kR
3. Choose MD5 → lowercase → copy the 32-character result
4. Paste it into the "sign" field above
5. Submit