← All endpoints
oracle.the-undesirables.com v1 grade-or-not
https://oracle.the-undesirables.com/api/v1/grade-or-not
answers 402
Grade-or-Not Decision Engine: answers 'will grading this trading card make me money?' by combining AI grade prediction with PSA fee schedules, shipping costs, and graded market values to calculate expected ROI. Returns a clear GO/NO-GO verdict with best-case, predicted, and worst-case profit scenarios.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.10
- Network
- base
- Pay to
- 0x642e8a7C289381f24f0395e0539f0bA41c74Cc1B
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 142 ms
- Payment options
- 3 usable of 3
- Last checked
- 2026-08-15T14:22:34.159Z (5d ago)
- Category
- ai-inference
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Foracle.the-undesirables.com%2Fapi%2Fv1%2Fgrade-or-not"