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api.delx.ai x402 ethereum-up-down-15m
https://api.delx.ai/api/v1/x402/ethereum-up-down-15m
answers 402
Ethereum 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 ETH 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,
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.003
- Network
- base
- Pay to
- 0x9f8bd9875b3E0b632a24A3A7C73f7787175e73A2
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 152 ms
- Payment options
- 3 usable of 3
- Last checked
- 2026-09-06T01:18:02.099Z (2h ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Fethereum-up-down-15m"