Loading…
AfterFees

Borrow rates · API3

Borrow API3: rates on every exchange

Annualised margin borrow rates for API3 at VIP 0, and whether borrowing it to collect negative funding pays after every cost.

Updated 2026-10-29 18:20 UTC

API3 borrow rates by exchange

ExchangeNow24 h avg7-day avgRate countedPer-account limitPlatform remainingStatus
Bitget3.50%5.71%18.67%5.71%$105.4K$17.5KBorrowable
Gate13.43%14.06%50.55%14.06% *$20Knot publishedBorrowable
OKX22.21%20.11%21.11%22.21%$3.8Knot publishedBorrowable
Binance55.70%75.02%76.36%75.02%$8.5Knot publishedBorrowable

Annualised simply (hourly rate × 8,760). Rate counted = the higher of the current rate and the 24 h average, as in every calculation on AfterFees. * Gate: rate × the published VIP multiplier (inferred).

Reverse carry on API3: borrow and sell spot, long the perp

No reverse API3 carry nets a profit at this size right now.

At $10,000 per side, held 7 days, after taker fees, order-book slippage and carry.

API3 perps, most negative funding first

ExchangeContractRateEveryAnnualised
KuCoinAPI3USDTM-0.0133%4 h−29.1%
AsterAPI3USDT-0.0033%4 h−7.1%
BingXAPI3-USDT0.0017%4 h+3.7%
MEXCAPI3_USDT0.0050%4 h+10.9%
OKXAPI3-USDT-SWAP0.0050%4 h+10.9%
BitgetAPI3USDT0.0050%4 h+10.9%
BybitAPI3USDT0.0050%4 h+10.9%
BinanceAPI3USDT0.0050%4 h+10.9%

Coins

Funding rates and every arbitrage on this coinAPI3

Questions

Where is it cheapest to borrow API3?

Bitget, at 5.71% a year at the rate we count (the higher of the current rate and the 24 h average), among 4 exchanges that lend API3.

Can I earn negative funding on API3 by borrowing it?

Not right now: no reverse API3 carry covers its borrow interest, fees and slippage at $10,000 for 7 days.

The method behind every number on AfterFees is published; Pro opens each figure into its line-by-line calculation. Estimates from current data, not investment advice. We never hold funds or trade for you.