Limitless

Compare Synth predictions against Limitless prices.

Assets: BTC, ETH, SOL

Daily Up/Down

Forecast Horizon: 24h

Endpoint:

GET /insights/limitless/daily

Example Request

curl "https://api.synthdata.co/insights/limitless/daily?asset=BTC" \
  -H "Authorization: Apikey YOUR_API_KEY"

Response:

[
  {
    "slug": "btc-above-dollar7051116-on-mar-20-1000-utc-1773914406897",
    "start_price": 70511.16,
    "current_time": "2026-03-19T16:36:34.334162+00:00",
    "current_price": 69340.04,
    "synth_probability_up": 0.1734,
    "synth_outcome": "Down",
    "market_probability_up": 0.2455,
    "market_outcome": "Down",
    "event_outcome_prices": [0.2455, 0.7545],
    "best_bid_price": 0.216,
    "best_ask_price": 0.275,
    "event_creation_time": "2026-03-19T10:00:06.896000+00:00",
    "event_end_time": "2026-03-20T10:00:00+00:00",
    "forecast_start_time": "2026-03-19T16:09:00+00:00"
  }
]

Hourly Up/Down

Forecast Horizon: 1h

Returns multiple active contracts at different strike prices for the current hour.

Endpoint:

GET /insights/limitless/hourly

Example Request

curl "https://api.synthdata.co/insights/limitless/hourly?asset=BTC" \
  -H "Authorization: Apikey YOUR_API_KEY"

Response:

[
  {
    "slug": "btc-above-dollar6940517-on-mar-19-1700-utc-1773936002266",
    "start_price": 69405.17,
    "current_time": "2026-03-19T16:36:51.881403+00:00",
    "current_price": 69340.04,
    "synth_probability_up": 0.3989,
    "synth_outcome": "Down",
    "market_probability_up": 0.395,
    "market_outcome": "Down",
    "event_outcome_prices": [0.395, 0.605],
    "best_bid_price": 0.365,
    "best_ask_price": 0.425,
    "event_creation_time": "2026-03-19T16:00:02.264000+00:00",
    "event_end_time": "2026-03-19T17:00:00+00:00",
    "forecast_start_time": "2026-03-19T16:20:00+00:00"
  },
  {
    "slug": "btc-above-dollar6878467-on-mar-19-1700-utc-1773936211556",
    "start_price": 68784.67,
    "current_time": "2026-03-19T16:36:51.881403+00:00",
    "current_price": 69340.04,
    "synth_probability_up": 0.9717,
    "synth_outcome": "Up",
    "market_probability_up": 0.945,
    "market_outcome": "Up",
    "event_outcome_prices": [0.945, 0.055],
    "best_bid_price": 0.94,
    "best_ask_price": 0.95,
    "event_creation_time": "2026-03-19T16:03:31.553000+00:00",
    "event_end_time": "2026-03-19T17:00:00+00:00",
    "forecast_start_time": "2026-03-19T16:20:00+00:00"
  }
]

15-Minute Up/Down

Forecast Horizon: 1h

Endpoint:

GET /insights/limitless/15min

Example Request

curl "https://api.synthdata.co/insights/limitless/15min?asset=BTC" \
  -H "Authorization: Apikey YOUR_API_KEY"

Response:

[
  {
    "slug": "btc-above-dollar6953341-on-mar-19-1645-utc-1773937812484",
    "start_price": 69533.41,
    "current_time": "2026-03-19T16:36:51.881973+00:00",
    "current_price": 69340.04,
    "synth_probability_up": 0.1228,
    "synth_outcome": "Down",
    "market_probability_up": 0.1025,
    "market_outcome": "Down",
    "event_outcome_prices": [0.1025, 0.8975],
    "best_bid_price": 0.07,
    "best_ask_price": 0.135,
    "event_creation_time": "2026-03-19T16:30:12.481000+00:00",
    "event_end_time": "2026-03-19T16:45:00+00:00",
    "forecast_start_time": "2026-03-19T16:20:00+00:00"
  }
]

Example: Find Arbitrage

import requests

response = requests.get(
    "https://api.synthdata.co/insights/limitless/hourly",
    headers={"Authorization": "Apikey YOUR_API_KEY"},
    params={"asset": "BTC"}
)

for contract in response.json():
    synth = contract['synth_probability_up']
    market = contract['market_probability_up']
    edge = synth - market

    if abs(edge) > 0.05:
        if edge > 0:
            print(f"BUY 'Up' on Limitless - Synth says {synth:.1%} vs market {market:.1%}")
        else:
            print(f"BUY 'Down' on Limitless - Synth says {1-synth:.1%} vs market {1-market:.1%}")