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Obol PayAI Crypto Spot Prices
x402
Obol PayAI Crypto Spot Prices is a paid API for AI agents from obol-payai.fly.dev, paid per call via x402, $0.01/call, status down (last checked 2026-09-15).
Returns real-time USD spot prices for BTC, ETH, SOL, USDC, and USDT in one call, aggregated from Coinbase and Kraken, with stale-price and price-divergence flags, cryptographically signed via Ed25519.
Price / call$0.01
Success—
StatusDown
How this service works
Current USD spot price for BTC ETH SOL USDC USDT in ONE call — cross-exchange Coinbase and Kraken quotes with stale-price and price-divergence flag for trade sizing and portfolio ticks. Real-time crypto spot prices for AI trading agents. Cryptographically signed (Ed25519) — every response is independently verifiable via /.well-known/obol-pubkey.
Output
A JSON object containing real-time USD spot prices for BTC, ETH, SOL, USDC, and USDT sourced from Coinbase and Kraken, along with a stale-price boolean flag, a price-divergence flag indicating cross-exchange spread anomalies, and an Ed25519 cryptographic signature for independent verification.
Example use cases
Example prompt
“What are the current USD spot prices for BTC, ETH, SOL, USDC, and USDT right now — pulled from both Coinbase and Kraken — and flag any stale or diverging quotes?”
Technical details
Endpoint
GEThttps://obol-payai.fly.dev/pricesWhen to prefer
Prefer this endpoint when you need a single low-latency call for USD spot prices across BTC, ETH, SOL, USDC, and USDT with built-in cross-exchange validation and cryptographic verifiability. Ideal for AI trading agents, portfolio tickers, and automated trade-sizing logic that require tamper-evident price data and stale/divergence detection rather than trusting a single exchange feed.
Side effects
- Exchange API downstream outage causes stale-price flag to be set rather than returning an error
- Price divergence flag set when Coinbase and Kraken quotes differ beyond threshold — agent should treat prices with caution
- HTTP 402 Payment Required if x402 USDC micropayment is not included or fails
- HTTP 503 if the fly.dev host is unavailable or cold-starting
- Signature verification failure if public key at /.well-known/obol-pubkey is unreachable
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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