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Obol BTC/USD Spot Price with Cross-Exchange Divergence Check
x402
Obol BTC/USD Spot Price with Cross-Exchange Divergence Check is a paid API for AI agents from obol-x402.fly.dev, paid per call via x402, $0.01/call, status down (last checked 2026-09-15).
Returns the current Bitcoin BTC/USD spot price sourced from Coinbase and Kraken, with a divergence flag if the two exchanges disagree significantly.
Price / call$0.01
Success—
StatusDown
How this service works
Bitcoin BTC USD spot price Coinbase Kraken cross-check with divergence flag. Single-asset BTC/USD for AI agents. Cryptographically signed (Ed25519) — every response is independently verifiable via /.well-known/obol-pubkey.
Output
Returns a JSON object with the BTC/USD spot price (likely a consensus or averaged value), individual prices from Coinbase and Kraken, and a boolean divergence flag indicating whether the two exchanges show a meaningful price difference. May include a timestamp.
Example use cases
Trading bot real-time price validation
“I need to execute a Bitcoin trade in the next minute. Pull the current BTC/USD spot price from both Coinbase and Kraken and tell me if they're in sync or if there's a divergence I should know about before I act.”
Arbitrage opportunity detection system
“Monitor the Bitcoin price across Coinbase and Kraken for me right now. If there's any significant price difference flagged, alert me immediately so I can evaluate if there's an arbitrage play worth executing.”
Crypto portfolio rebalancing check
“I'm about to rebalance my portfolio and need to know what Bitcoin is actually trading at. Get me the current BTC/USD price and verify it's consistent between Coinbase and Kraken—I don't want stale or divergent data skewing my decision.”
Technical details
Endpoint
GEThttps://obol-x402.fly.dev/v1/price/BTCWhen to prefer
Use this endpoint when you need a real-time BTC/USD spot price with built-in cross-exchange validation — ideal when accuracy and manipulation resistance matter, since it checks both Coinbase and Kraken and flags divergence. Prefer over single-source price feeds when you want confidence that the price is consistent across major venues.
Side effects
- One or both exchange APIs (Coinbase or Kraken) are unavailable, resulting in partial data or an error response
- Network timeout reaching obol-x402.fly.dev
- Payment not processed (x402 payment required, returns 402 if unpaid)
- Price data is stale if upstream exchange feeds lag
- Unexpected schema change from upstream exchanges causing parse failure
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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