Entropy Signal API

https://api.entropicapi.com/signal

● healthy crypto-signal

Entropy Signal API provides quantitative market-regime signals for autonomous trading agents. Returns Shannon entropy score (0-1), market regime classification (ordered/mixed/chaotic), volatility regime (low/normal/high), and actionable recommendation (range/breakout_watch) for BTC/USDT and ETH/USDT on 1h and 4h timeframes. Payment via x402 (pay-per-call in USDT0 on X Layer Mainnet). Parameters symbol and timeframe are optional with defaults (BTC/USDT, 1h).

Quality grade

How grading works

B 63.0 / 100

Availability 40.0 / 40

Endpoint responded (HTTP 402)

Payability 20.0 / 20

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 0.0 / 40

Payment address on record, not yet queried on-chain

Owner verified 3.0 / 3

Operator proved control of this domain

Endpoint last checked 8 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X GET https://api.entropicapi.com/signal

/.well-known/x402.json

https://api.entropicapi.com/.well-known/x402

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