{"api":"v1","generated_at":"2026-09-17T00:39:56.721Z","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/chess402-vercel-app-api-puzzle-daily-298f00","pinned_page":"https://tollindex.com/e/chess402-vercel-app-api-puzzle-daily-298f00/at/2026-09-16T21-17Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-16T21:17:01.557Z","snapshot_stamp":"2026-09-16T21-17Z","endpoint":{"slug":"chess402-vercel-app-api-puzzle-daily-298f00","canonical_url":"https://chess402.vercel.app/api/puzzle/daily","resource":"https://chess402.vercel.app/api/puzzle/daily","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Today's Lichess daily puzzle: source game, themes, initial position, solution moves, and rating.","service_name":null,"declared_category":null,"declared_tags":[],"route_template":null,"registry_updated":"2026-09-12T16:46:16.698Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"puzzle daily","category":"other","first_observed_by_toll":"2026-09-12T20:32:31.372Z","last_observed_by_toll":"2026-09-16T21:17:01.557Z","observation_began":"2026-09-10"},"presence":{"listed_now":true,"first_absent_at":null,"delisting_confirmed_at":null,"events":[{"registry":"cdp","at":"2026-09-12T20:32:31.372Z","event":"listed"}]},"accepts":[{"registry":"cdp","ordinal":0,"network":"eip155:8453","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","asset_name":"USD Coin","symbol":"USDC","decimals":6,"amount_display":"0.001 USDC","amount_units":0.001,"decimals_known":true,"pay_to":"0xfbd46201267609ad3c66bd1b99b7f1cc80b1852f","scheme":"exact"}],"counters":{"observed_at":"2026-09-16T21:17:01.557Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-09-12T16:46:16.545Z"},"validation":{"latest":{"observed_at":"2026-09-16T04:18:22.966Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-09-16"},"uptime":[{"days":7,"observed":5,"passed":5,"ratio":1},{"days":30,"observed":5,"passed":5,"ratio":1},{"days":90,"observed":5,"passed":5,"ratio":1}],"history_90d":[{"observed_at":"2026-09-16T04:18:22.966Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-16","state_changed":false},{"observed_at":"2026-09-15T04:16:03.162Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-15","state_changed":false},{"observed_at":"2026-09-14T04:13:50.734Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-14","state_changed":false},{"observed_at":"2026-09-13T04:13:16.636Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-13","state_changed":false},{"observed_at":"2026-09-12T20:33:39.615Z","state":"pass","failed_checks":[],"run_id":"new-2026-09-12T20-33-28-190Z","state_changed":true}]},"seller":{"wallet":"0xfbd46201267609ad3c66bd1b99b7f1cc80b1852f","page":"https://tollindex.com/seller/0xfbd46201267609ad3c66bd1b99b7f1cc80b1852f","endpoints":3,"hosts":1},"reports":0,"registry_record":{"cdp":[{"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0xfbd46201267609ad3c66bd1b99b7f1cc80b1852f","amount":"1000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"quality":{"lastCalledAt":"2026-09-12T16:46:16.545Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://chess402.vercel.app/api/puzzle/daily","extensions":{"bazaar":{"info":{"input":{"body":{},"type":"http","method":"POST","bodyType":"json"},"output":{"type":"json","example":{"game":{"id":"exampleId"},"puzzle":{"id":"exampleId","rating":1500,"themes":["mateIn2","short"],"solution":["e2e4","e7e5"]}}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{},"description":"No parameters required. Send `{}` or an empty body.","additionalProperties":false},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["game","puzzle"],"properties":{"game":{"type":"object","required":["id"],"properties":{"id":{"type":"string","description":"Lichess game id the puzzle was extracted from."},"pgn":{"type":"string","description":"PGN of the game up to the puzzle position."}},"description":"Source game for the puzzle.","additionalProperties":{}},"puzzle":{"type":"object","required":["id","rating","solution"],"properties":{"id":{"type":"string","description":"Puzzle id."},"rating":{"type":"integer","maximum":9007199254740991,"minimum":-9007199254740991,"description":"Puzzle difficulty rating."},"themes":{"type":"array","items":{"type":"string"},"description":"Tactical themes labeled on this puzzle."},"solution":{"type":"array","items":{"type":"string"},"description":"Sequence of UCI moves that solve the puzzle."},"initialPly":{"type":"integer","maximum":9007199254740991,"minimum":-9007199254740991,"description":"Ply count at puzzle start position."}},"description":"Puzzle metadata and solution.","additionalProperties":{}}},"description":"Daily puzzle response.","additionalProperties":{}}}}}}}},"description":"Today's Lichess daily puzzle: source game, themes, initial position, solution moves, and rating.","lastUpdated":"2026-09-12T16:46:16.698Z","x402Version":2}]}}