{"uid":"cap_DEKqz5M2DHW-AEZc6YGKS","slug":"membership-activity-adjacent-row-changes-88ea848b","name":"Membership Activity Adjacent Row Changes","description":"Membership activity - Adjacent row changes: Adjacent row changes for Membership activity. Up to 200 supplied typed records. Local numeric and data-quality processing; no external enrichment or forecasting. One of 25 profiles or calculations across 20 shared operations in this sector. 0.01 USDC includes one bounded adjacent row changes deliverable.","url":"https://market.datapackvibe.com/x402/assistant-sector-analytics-membership-period-change?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","tier","date","members","renewals"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"tier":{"type":"string","default":"","maxLength":80},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"members":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"renewals":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","tier":"group-a","row_id":"row-1","members":10,"renewals":1},{"date":"2026-10-02","tier":"group-b","row_id":"row-2","members":20,"renewals":2},{"date":"2026-10-03","tier":"group-a","row_id":"row-3","members":15,"renewals":3},{"date":"2026-10-04","tier":"group-b","row_id":"row-4","members":30,"renewals":4}],"maxItems":200,"minItems":1},"field":{"enum":["members","renewals"],"type":"string","default":"members"}}},"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":"unknown","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_l1qClrAOjCwzmvkkN4wcF","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":"Computes row-over-row changes in membership metrics (members or renewals) across up to 200 typed records, locally, with no external enrichment.","exampleAgentPrompt":"Calculate the adjacent row changes for my membership data — I have 4 records with dates 2026-10-01 through 2026-10-04 for group-a and group-b tiers with member counts 10, 20, 15, 30 and I want to track changes in the members field.","exampleUseCases":[{"title":"Daily membership growth tracking","prompt":"I have daily membership counts for two tiers, premium and basic, from October 1st to October 7th — can you compute the day-over-day change in member counts for each row so I can see where we gained or lost members?"},{"title":"Renewal rate change analysis","prompt":"I need to see how renewals are changing between each period in my dataset — I have 50 rows of membership records with dates, tiers, and renewal counts. Can you calculate the adjacent row differences on the renewals field?"},{"title":"Tier-segmented membership delta report","prompt":"I have membership data for three tiers — silver, gold, and platinum — across 30 consecutive dates and I want to compute the row-by-row changes in member counts so I can spot which tier had the biggest swings."}],"resultDescription":"Returns computed adjacent row changes (period-over-period deltas) for the selected field (members or renewals) across the submitted rows, preserving row identifiers and tier groupings with no external data enrichment applied.","failureModes":["Fewer than 1 row submitted returns an error","More than 200 rows submitted exceeds the maxItems limit","Invalid date format (not YYYY-MM-DD) causes schema validation failure","Missing required fields (row_id, tier, date, members, renewals) causes rejection","Field value not in enum ['members','renewals'] causes validation error","Numeric values outside allowed range cause rejection"],"whenToPreferThis":"Choose this endpoint when you need fast, local, bounded row-over-row delta computation on membership data (members or renewals) with no external API dependencies, ideal for small-to-medium datasets up to 200 records where you want deterministic numeric results at minimal cost ($0.01 USDC per call).","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T00:55:53.591Z","isFirstParty":false,"canonicalSlug":"membership-activity-adjacent-row-changes-88ea848b"}