api.x-402.online
x402Grade BLast checked 3 hours ago
POST https://api.x-402.online/v1/llm/pro
Get a long completion with a large output budget, same engine as /v1/llm. Long-form LLM inference: same engine as /v1/llm with a four times larger output budget, up to 8000 tokens, for answers the cheap route truncates. Body: {prompt, system?, max_tokens?}
Price$0.02per model request · paid in USD on Base
Uptime100%
4/4 probes · 803 ms
Score75Grade B
Paid usage, 30 days3payers · 8 calls
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://api.x-402.online/v1/llm/pro"
# 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 | 583 ms | $0.02 |
| 2026-10-11 05:46 | Valid 402 | 402 | 791 ms | $0.02 |
| 2026-10-11 01:30 | Valid 402 | 402 | 1053 ms | $0.02 |
| 2026-10-10 21:00 | Valid 402 | 402 | 815 ms | $0.02 |
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