{"api":"v1","generated_at":"2026-09-16T04:35:43.799Z","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/api-cryptoetfsentinel-com-v1-issuers-comment-letters-d9861a","pinned_page":"https://tollindex.com/e/api-cryptoetfsentinel-com-v1-issuers-comment-letters-d9861a/at/2026-09-15T21-20Z","pinned":false,"method":"https://tollindex.com/ledger/method","snapshot_at":"2026-09-15T21:20:12.737Z","snapshot_stamp":"2026-09-15T21-20Z","endpoint":{"slug":"api-cryptoetfsentinel-com-v1-issuers-comment-letters-d9861a","canonical_url":"https://api.cryptoetfsentinel.com/v1/issuers/comment-letters","resource":"https://api.cryptoetfsentinel.com/v1/issuers/comment-letters","http_method":"GET","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Crypto ETF Sentinel — Full SEC ↔ issuer comment-letter history for one US spot crypto ETF issuer: UPLOAD/CORRESP pairs in order with a review-intensity profile. Comment-letter cadence is a leading indicator of approval proximity. Use when assessing how far along one filing's SEC review is. Pass the issuer's SEC CIK as cik.","service_name":null,"declared_category":null,"declared_tags":[],"route_template":null,"registry_updated":"2026-09-11T23:52:37.312Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"issuers comment letters","category":"storage","first_observed_by_toll":"2026-09-10T19:08:24.178Z","last_observed_by_toll":"2026-09-15T21:20:12.737Z","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":"0.05 USDC","amount_units":0.05,"decimals_known":true,"pay_to":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","scheme":"exact"},{"registry":"cdp","ordinal":1,"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","asset_name":null,"symbol":"USDC","decimals":6,"amount_display":"0.05 USDC","amount_units":0.05,"decimals_known":true,"pay_to":"Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk","scheme":"exact"}],"counters":{"observed_at":"2026-09-15T21:20:12.737Z","calls_30d":3,"unique_payers_30d":2,"last_called_at":"2026-09-11T23:52:36.824Z"},"validation":{"latest":{"observed_at":"2026-09-15T06:42:37.699Z","state":"pass","failed_checks":[],"endpoint_http_status":402,"run_id":"daily-2026-09-15"},"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":"2026-09-15T06:42:37.699Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-15","state_changed":false},{"observed_at":"2026-09-14T06:11:13.715Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-14","state_changed":false},{"observed_at":"2026-09-13T06:02:28.912Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-13","state_changed":false},{"observed_at":"2026-09-12T08:19:44.153Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-12","state_changed":false},{"observed_at":"2026-09-11T13:23:12.931Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-11","state_changed":true}]},"seller":{"wallet":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","page":"https://tollindex.com/seller/0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","endpoints":22,"hosts":1},"reports":0,"registry_record":{"cdp":[{"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","version":"2"},"payTo":"0x169Bf49c6ee5A179190121Ab8D180B50e31683d1","amount":"50000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300},{"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","extra":{"feePayer":"GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"},"payTo":"Ezzbt3d3K76pmQpwbeXkggCs5n7Q3JWG3iCmtdKdpMxk","amount":"50000","scheme":"exact","network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","maxTimeoutSeconds":300}],"quality":{"lastCalledAt":"2026-09-11T23:52:36.824Z","l30DaysTotalCalls":3,"l30DaysUniquePayers":2},"resource":"https://api.cryptoetfsentinel.com/v1/issuers/comment-letters","extensions":{"bazaar":{"info":{"input":{"type":"http","method":"GET","queryParams":{"cik":"0001980994"}},"output":{"type":"json","example":{"data":{"letters":[{"accession":"0001193125-24-004598","edgar_url":"https://www.sec.gov/Archives/edgar/data/1980994/000119312524004598/","form_type":"CORRESP","filing_date":"2024-01-09"}],"review_profile":{"stage":"trading","last_letter":"2024-01-09","review_rounds":5,"review_status":"approved"}},"meta":{"total":null}}}},"schema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"cik":{"type":"string","pattern":"^[0-9]{1,10}$","description":"Zero-padded SEC CIK identifier (e.g. ``0001980994``). Optional — pass one to target a specific issuer (discover CIKs via /v1/issuers); omit to get the largest issuer by AUM."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["data"],"properties":{"data":{"description":"The endpoint payload — type varies per route"},"meta":{"type":"object","properties":{"limit":{"type":["integer","null"]},"total":{"type":["integer","null"]},"offset":{"type":["integer","null"]}}},"error":{"type":["string","null"]}}}}}}}}},"description":"Crypto ETF Sentinel — Full SEC ↔ issuer comment-letter history for one US spot crypto ETF issuer: UPLOAD/CORRESP pairs in order with a review-intensity profile. Comment-letter cadence is a leading indicator of approval proximity. Use when assessing how far along one filing's SEC review is. Pass the issuer's SEC CIK as cik.","lastUpdated":"2026-09-11T23:52:37.312Z","x402Version":2}]}}