Perp Funding Rates API - Hyperliquid market data

https://posters-exposed-reducing-acres.trycloudflare.com/funding/top

● down market-data

Perp funding rates API for Hyperliquid perpetual futures: live funding rate + premium index across ~150 perp markets, ranked spreads, funding-rate anomaly alerts and multi-day funding history. Market data API endpoints: /funding/top (perp funding rates now), /funding/history/{coin} (funding rate history 1-720h), /funding/anomalies (extreme funding), /funding/episodes. Pay-per-call x402 protocol on Base USDC, $0.001/request, no signup.

Quality grade

How grading works

D 26.8 / 100 capped at D while down

Availability 0.0 / 40

Endpoint did not respond

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 6.8 / 40

1 distinct payers, 16 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 10 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

2 resource(s) advertised by this origin.

https://posters-exposed-reducing-acres.trycloudflare.com/funding/top

Perp funding rates market data: top Hyperliquid per-coin funding rates & spreads across ~150 markets ($0.001/call USDC Base)

https://posters-exposed-reducing-acres.trycloudflare.com/funding/history/{coin}

Crypto market data: per-coin perp funding-rate history, 1-720h lookback, Hyperliquid (~150 markets) ($0.001/call USDC Base)

How to call

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

curl -X POST https://posters-exposed-reducing-acres.trycloudflare.com/funding/top

/.well-known/x402.json

https://posters-exposed-reducing-acres.trycloudflare.com/.well-known/x402

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