{"api":"v1","generated_at":"2026-09-16T00:50:21.272Z","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/tools-halowerk-com-v1-cohort-retention-8c65eb","pinned_page":"https://tollindex.com/e/tools-halowerk-com-v1-cohort-retention-8c65eb/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":"tools-halowerk-com-v1-cohort-retention-8c65eb","canonical_url":"https://tools.halowerk.com/v1/cohort/retention","resource":"https://tools.halowerk.com/v1/cohort/retention","http_method":"POST","type":"http","x402_version":2,"registries":["cdp"],"primary_registry":"cdp","curated_by_coinbase":false,"description":"Builds the cohort table from the events you pass: users grouped by the period of their first event, counted again in each following period. Returns the table per cohort, a retention curve across all cohorts, and, where events carry a value, cumulative value and value per user. The curve counts only cohorts old enough for a given period, so a young cohort is not scored as churn. Day, week and month are real calendar periods. Nothing is fetched, nothing is stored.","service_name":"Netzhandwerker Agent Tools","declared_category":null,"declared_tags":["x402","agent-tools","analysis","cohort_retention"],"route_template":null,"registry_updated":"2026-08-19T15:03:40.813Z"},"derived":{"note":"fields no registry supplies; TOLL derives them and marks them derived on the page","title":"cohort retention","category":"inference","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":"0.002 USDC","amount_units":0.002,"decimals_known":true,"pay_to":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","scheme":"exact"}],"counters":{"observed_at":"2026-09-15T21:20:12.737Z","calls_30d":1,"unique_payers_30d":1,"last_called_at":"2026-08-19T15:03:40.361Z"},"validation":{"latest":{"observed_at":"2026-09-15T05:48:16.395Z","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":"2026-09-15T05:48:16.395Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-15","state_changed":false},{"observed_at":"2026-09-14T05:20:43.618Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-14","state_changed":false},{"observed_at":"2026-09-13T05:16:23.477Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-13","state_changed":false},{"observed_at":"2026-09-12T07:32:43.393Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-12","state_changed":false},{"observed_at":"2026-09-11T11:19:29.100Z","state":"pass","failed_checks":[],"run_id":"daily-2026-09-11","state_changed":true}]},"seller":{"wallet":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","page":"https://tollindex.com/seller/0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","endpoints":1553,"hosts":67},"reports":0,"registry_record":{"cdp":[{"tags":["x402","agent-tools","analysis","cohort_retention"],"type":"http","accepts":[{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","extra":{"name":"USD Coin","asset":"USDC","version":"2","decimals":6,"eip712Domain":{"name":"USD Coin","chainId":8453,"version":"2","verifyingContract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"network_name":"Base Mainnet","assetTransferMethod":"eip3009"},"payTo":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","amount":"2000","scheme":"exact","network":"eip155:8453","maxTimeoutSeconds":300}],"quality":{"lastCalledAt":"2026-08-19T15:03:40.361Z","l30DaysTotalCalls":1,"l30DaysUniquePayers":1},"resource":"https://tools.halowerk.com/v1/cohort/retention","extensions":{"bazaar":{"info":{"input":{"body":{"events":[{"type":"order","value":19.9,"user_id":"u1","time_unix_s":1785110400},{"type":"order","value":24.5,"user_id":"u1","time_unix_s":1785715200},{"type":"order","value":12,"user_id":"u2","time_unix_s":1785110400},{"type":"order","value":30,"user_id":"u3","time_unix_s":1785715200}],"period":"week","periods":3},"type":"http","method":"POST","bodyType":"json"},"output":{"type":"json","example":{"curve":[{"active_users":3,"period_index":0,"users_at_risk":3,"retention_rate":1,"cohorts_observed":2},{"active_users":1,"period_index":1,"users_at_risk":2,"retention_rate":0.5,"cohorts_observed":1}],"period":"week","cohorts":[{"users":2,"cohort":"2026-07-27T00:00:00.000Z","periods":[{"active_users":2,"period_index":0,"period_value":31.9,"retention_rate":1,"cumulative_value":31.9,"cumulative_value_per_user":15.95},{"active_users":1,"period_index":1,"period_value":24.5,"retention_rate":0.5,"cumulative_value":56.4,"cumulative_value_per_user":28.2},{"active_users":0,"period_index":2,"period_value":0,"retention_rate":0,"cumulative_value":56.4,"cumulative_value_per_user":28.2}],"cohort_start_unix_s":1785110400}],"periods":3,"summary":{"total_value":86.4,"value_per_user":28.8,"last_event_unix_s":1785715200,"first_event_unix_s":1785110400,"median_lifetime_periods":1},"stateless":true,"user_count":3,"week_start":"monday","event_count":4,"cohort_count":2,"activation_type":null,"retention_types":null,"timezone_offset_s":0}}},"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","required":["events"],"properties":{"events":{"type":"array","maxItems":4000,"minItems":1,"description":"Each event needs user_id and a timestamp (time_unix_s in seconds since 1970, or time as ISO 8601). Optional: type and value. Any other field name is rejected rather than guessed. The service caps the whole request body at 256 KB, so long records reach that limit before maxItems."},"period":{"enum":["day","week","month"],"type":"string","default":"week"},"periods":{"type":"integer","default":12,"maximum":52,"minimum":1,"description":"How many periods the table runs, period 0 being the entry period."},"week_start":{"enum":["monday","sunday"],"type":"string","default":"monday"},"activation_type":{"type":"string","maxLength":120,"description":"If set, only events of this type put a user into a cohort. Without it the first event of any type counts."},"retention_types":{"type":"array","items":{"type":"string"},"maxItems":50,"description":"If set, only events of these types count as being active. Without it every event counts."},"timezone_offset_s":{"type":"integer","default":0,"maximum":50400,"minimum":-50400,"description":"Offset from UTC in seconds used to place period boundaries."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}}}},"description":"Builds the cohort table from the events you pass: users grouped by the period of their first event, counted again in each following period. Returns the table per cohort, a retention curve across all cohorts, and, where events carry a value, cumulative value and value per user. The curve counts only cohorts old enough for a given period, so a young cohort is not scored as churn. Day, week and month are real calendar periods. Nothing is fetched, nothing is stored.","lastUpdated":"2026-08-19T15:03:40.813Z","serviceName":"Netzhandwerker Agent Tools","x402Version":2}]}}