{"api":"v1","generated_at":"2026-09-16T07:37:05.321Z","licence":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/","attribution":"TOLL, with a link to the page cited"},"page":"https://tollindex.com/e/kronossignals-com-api-v1-cex-premium-btc-37d574","pinned_page":"https://tollindex.com/e/kronossignals-com-api-v1-cex-premium-btc-37d574/at/2026-09-16T04-48Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-16T04:48:25.992Z","snapshot_stamp":"2026-09-16T04-48Z","endpoint":{"slug":"kronossignals-com-api-v1-cex-premium-btc-37d574","canonical_url":"https://kronossignals.com/api/v1/cex-premium/btc","resource":"https://kronossignals.com/api/v1/cex-premium/btc","http_method":"GET","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Coinbase price premium vs composite spot median (OKX + Kraken + Binance). premium_pct = (coinbase / composite_median − 1) × 100. Positive = US/institutional demand skew; negative = global selling pressure. Covers BTC/ETH/SOL/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/BCH/ATOM/NEAR (assets listed on Coinbase). Point-in-time only — no historical baseline stored. $0.02 USDC per call via x402.","service_name":"Kronos Crypto Data & Forecasts","declared_category":null,"declared_tags":["cex-premium","coinbase-premium","cross-exchange","divergence","spot"],"route_template":":var1","registry_updated":"2026-09-12T00:02:21.656Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"cex premium btc","category":"market-data","first_observed_by_toll":"2026-09-10T19:08:24.178Z","last_observed_by_toll":"2026-09-16T04:48:25.991Z","observation_began":"2026-09-10"},"presence":{"listed_now":true,"first_absent_at":null,"delisting_confirmed_at":null,"events":[{"registry":"cdp","at":"2026-09-10T19:08:24.178Z","event":"listed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.02 USDC","amount_units":0.02,"decimals_known":true,"pay_to":"0x36038e1d712c5e39f35952164ec58ec2b96caee7","scheme":"exact"}],"counters":{"observed_at":"2026-09-16T04:48:25.992Z","calls_30d":4,"unique_payers_30d":4,"last_called_at":"2026-09-12T00:02:21.440Z"},"validation":{"latest":{"observed_at":"2026-09-16T04:28:52.507Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"endpoint_http_status":402,"run_id":"daily-2026-09-16"},"uptime":[{"days":7,"observed":6,"passed":0,"ratio":0},{"days":30,"observed":6,"passed":0,"ratio":0},{"days":90,"observed":6,"passed":0,"ratio":0}],"history_90d":[{"observed_at":"2026-09-16T04:28:52.507Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-16","state_changed":false},{"observed_at":"2026-09-15T04:26:39.257Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-15","state_changed":false},{"observed_at":"2026-09-14T04:23:17.999Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-14","state_changed":false},{"observed_at":"2026-09-13T04:22:14.368Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-13","state_changed":false},{"observed_at":"2026-09-12T06:37:51.871Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-12","state_changed":false},{"observed_at":"2026-09-11T10:08:29.219Z","state":"malformed","failed_checks":["bazaar.routeTemplate.matches_resource"],"run_id":"daily-2026-09-11","state_changed":true}]},"seller":{"wallet":"0x36038e1d712c5e39f35952164ec58ec2b96caee7","page":"https://tollindex.com/seller/0x36038e1d712c5e39f35952164ec58ec2b96caee7","endpoints":38,"hosts":1},"reports":0,"registry_record":{"cdp":[{"tags":["cex-premium","coinbase-premium","cross-exchange","divergence","spot"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x36038e1d712c5e39f35952164ec58ec2b96caee7","amount":"20000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"quality":{"lastCalledAt":"2026-09-12T00:02:21.44Z","l30DaysTotalCalls":4,"l30DaysUniquePayers":4},"resource":"https://kronossignals.com/api/v1/cex-premium/btc","extensions":{"bazaar":{"info":{"input":{"type":"http","method":"GET","pathParams":{},"queryParams":{}},"output":{"type":"json","example":{"as_of":"2026-01-01T00:00:00.000Z","asset":"BTC-USD","available":true,"disclaimer":"Cross-exchange premium is informational only. Spread may reflect latency, liquidity, or fees — not a pure demand signal. Not financial advice.","premium_pct":0.2,"sources_used":[{"role":"reference","price":61320.5,"exchange":"coinbase"},{"role":"composite","price":61195.2,"exchange":"okx"},{"role":"composite","price":61201.4,"exchange":"kraken"},{"role":"composite","price":61198.3,"exchange":"binance"}],"coinbase_price":61320.5,"interpretation":"Coinbase is trading at a +0.20% premium to global composite. Mild US/institutional demand bias.","historical_note":"Point-in-time only — no 24h percentile or 30d z-score (no historical baseline stored).","composite_median":61198.3,"composite_source_count":3},"example_kind":"illustrative_schema_only","example_note":"Placeholder values and timestamps, not market data."}},"schema":{"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"],"type":"string"},"pathParams":{"type":"object"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"routeTemplate":":var1"}},"description":"Coinbase price premium vs composite spot median (OKX + Kraken + Binance). premium_pct = (coinbase / composite_median − 1) × 100. Positive = US/institutional demand skew; negative = global selling pressure. Covers BTC/ETH/SOL/XRP/DOGE/ADA/AVAX/LINK/DOT/LTC/BCH/ATOM/NEAR (assets listed on Coinbase). Point-in-time only — no historical baseline stored. $0.02 USDC per call via x402.","lastUpdated":"2026-09-12T00:02:21.656Z","serviceName":"Kronos Crypto Data & Forecasts","x402Version":2}]}}