x402engine.app
x402Grade CLast checked 39 min ago
POST https://x402engine.app/api/llm/gpt-5.2
OpenAI's latest flagship model — top-tier reasoning, coding, and multimodal capabilities
Price$0.035per model request · paid in USD on Base
Uptime100%
4/4 probes · 616.5 ms
Score61Grade C
Paid usage, 30 days3payers · 3 calls
Warnings
Price mismatch The live price differs from the catalogue listing.
How to buy
This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.
curl -i -X POST "https://x402engine.app/api/llm/gpt-5.2"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the responseRecent checks
| Checked (UTC) | Result | Status | Time | Live price |
|---|---|---|---|---|
| 2026-10-11 10:16 | Valid 402 | 402 | 587 ms | $0.013 |
| 2026-10-11 06:00 | Valid 402 | 402 | 413 ms | $0.013 |
| 2026-10-11 01:30 | Valid 402 | 402 | 646 ms | $0.013 |
| 2026-10-10 21:00 | Valid 402 | 402 | 1214 ms | $0.013 |
Receipts
No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.
What a check proves