{"uid":"cap_TaqhXhFwr3jBUyW8-0kTw","slug":"obol-payai-crypto-spot-prices-cf4060fe","name":"Obol PayAI Crypto Spot Prices","description":"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.","url":"https://obol-payai.fly.dev/prices","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sxL8aNHFdYMLWRKhd7nhv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"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?","exampleUseCases":null,"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T22:26:24.095Z","isFirstParty":false}