YOLFT
Developer API

Market data with the rough edges taken off.

The same real-time and historical feeds behind YOLFT, exposed as a clean JSON API. We're onboarding builders one at a time while the interface settles, with no public sign-up yet.

Request accessSee it live

Write to hello@yolft.com. We usually reply within two working days.

yolft.sh

$ curl api.yolft.com/v1/quotes/BTC \

-H "Authorization: Bearer $YOLFT_KEY"

{
 "symbol": "BTC",
 "price": 64213.55,
 "change24h": -1.84,
 "score": 72,
 "asOf": "2026-09-07T09:41:00Z"
}

Real-time quotes

Low-latency prices for equities and crypto, streamed from the same pipeline that powers YOLFT.

Historical & OHLCV

Years of clean, adjusted candles and fundamentals, ready for backtests and research.

One schema, many assets

Stocks, tokens, and derived scores share a single predictable response shape. No per-asset special cases.

Keys & rate limits

Scoped API keys, transparent quotas, and usage you can actually see. Built for production, not demos.

A small, honest surface

A preview of what ships in the first cut. The full reference lands with your key.

  • GET/v1/quotes/:symbol

    Latest price, change, and volume for a single asset.

  • GET/v1/history/:symbol

    OHLCV candles across intervals, from 1m to 1d.

  • GET/v1/crypto/screener

    Rank and filter tokens by market cap, momentum, and score.

  • GET/v1/score/:symbol

    The YOLFT signal score with its component breakdown.

Building something that needs this data?

Tell us what you're making and roughly how much you'll call it. We'll send a key and get you started. Access is granted case by case during the beta.

Email hello@yolft.com