api.delx.ai
GET https://api.delx.ai/api/v1/x402/bitcoin-up-down-15m
Bitcoin Up or Down 15-Minute Probability estimates p_up and p_down for quarter-hour windows using a broader caller-supplied trend sample. Send 8-240 ordered caller-supplied BTC price observations, the target venue's opening price, and its close timestamp; optionally include UP/DOWN share prices and entry fees for a descriptive model-edge comparison. Returns a conservative probability pair, lean, input-quality score, model contract, and warnings for $0.003 USDC via x402 on Base or Solana. First-…
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 GET "https://api.delx.ai/api/v1/x402/bitcoin-up-down-15m"
# 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 11:46 | Valid 402 | 402 | 744 ms | $0.003 |
| 2026-10-11 07:30 | Valid 402 | 402 | 796 ms | $0.003 |
| 2026-10-11 03:00 | Valid 402 | 402 | 185 ms | $0.003 |
| 2026-10-10 22:31 | Valid 402 | 402 | 819 ms | $0.003 |
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