{"uid":"cap_yAk2U6LrGawmL7OnJBxDB","slug":"obol-sol-usd-spot-price-signed-cross-exchange-1c8858da","name":"Obol SOL/USD Spot Price (Signed, Cross-Exchange)","description":"Solana SOL USD spot price Coinbase Kraken cross-check with divergence flag. Single-asset SOL/USD for AI agents. Cryptographically signed (Ed25519) — every response is independently verifiable via /.well-known/obol-pubkey.","url":"https://obol-x402.fly.dev/v1/price/SOL","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_NfG7cj_Jcdch69DthcH28","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 the current Solana (SOL) spot price in USD, cross-checked between Coinbase and Kraken, with a divergence flag and Ed25519 cryptographic signature for independent verification.","exampleAgentPrompt":"What's the current SOL/USD price right now, cross-checked across Coinbase and Kraken, and can you verify it's cryptographically signed so I know it hasn't been tampered with?","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the SOL/USD spot price, the individual prices from Coinbase and Kraken, a divergence flag indicating whether the two exchanges differ significantly, and an Ed25519 cryptographic signature over the payload that can be verified against the public key at /.well-known/obol-pubkey. Costs $0.01 USDC per call via x402 payment protocol.","failureModes":["Exchange API unavailability: if Coinbase or Kraken are unreachable, the price feed may fail or return partial data","Payment failure: if x402 payment of 0.01 USDC is not completed, endpoint returns 402 Payment Required","Network timeout: fly.dev hosting latency may cause occasional delays or timeouts","Signature verification failure: if the public key at /.well-known/obol-pubkey is unavailable, independent verification is blocked"],"whenToPreferThis":"Choose this endpoint when you need a trustless, cryptographically verifiable SOL/USD spot price that is cross-checked across two major exchanges (Coinbase and Kraken). Ideal for AI agents, trading bots, or audit pipelines that require tamper-proof price data with built-in divergence detection. Prefer over generic price APIs when non-repudiation and multi-exchange validation matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T14:25:45.121Z","isFirstParty":false}