{"uid":"cap_BJkUyWdYCKL026BHZbf7x","slug":"transaction-fee-observations-base-100-series-secondary-measure-b4e41ee3","name":"Transaction Fee Observations — Base-100 Series + Secondary-Measure Weighted Mean","description":"Transaction fee observations — Base-100 series + Secondary-measure weighted mean: Base-100 series + Secondary-measure weighted mean for supplied transaction fee observations records (fee_units, transaction_count). Up to 200 rows; 2 independent reports using shared local analytical engines. No live lookup, prediction, professional assessment or external action. 0.01 USDC includes 2 supplied-data reports for up to 200 rows.","url":"https://market.datapackvibe.com/x402/assistant-ib26-finance-03-166?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["row_id","instrument_group","date","fee_units","transaction_count"],"properties":{"date":{"type":"string","default":"","pattern":"^\\d{4}-\\d{2}-\\d{2}$","maxLength":10},"row_id":{"type":"string","default":"","maxLength":80,"minLength":1},"fee_units":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000},"instrument_group":{"type":"string","default":"","maxLength":80},"transaction_count":{"type":["number","null"],"maximum":1000000000000,"minimum":-1000000000000}},"additionalProperties":false},"default":[{"date":"2026-10-01","row_id":"row-1","fee_units":10,"instrument_group":"group-a","transaction_count":1},{"date":"2026-10-02","row_id":"row-2","fee_units":20,"instrument_group":"group-b","transaction_count":2},{"date":"2026-10-03","row_id":"row-3","fee_units":15,"instrument_group":"group-a","transaction_count":3},{"date":"2026-10-04","row_id":"row-4","fee_units":30,"instrument_group":"group-b","transaction_count":4}],"maxItems":200,"minItems":1},"field":{"enum":["fee_units","transaction_count"],"type":"string","default":"fee_units"},"base_index":{"type":"integer","default":0,"maximum":199,"minimum":0}}},"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_yuK7US3ypoWIlTG2w1sFI","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 a Base-100 index series and a transaction-count-weighted mean from user-supplied transaction fee observation records using local analytical engines.","exampleAgentPrompt":"I have 4 rows of daily transaction fee data — fee_units of 10, 20, 15, 30 for groups A and B on Oct 1–4, with transaction counts 1, 2, 3, 4 — can you compute the Base-100 index series starting from row 0 and the transaction-count-weighted mean on the fee_units field?","exampleUseCases":[{"title":"Normalizing exchange fee history to baseline","prompt":"I have 10 days of exchange fee records with fee_units and transaction counts by instrument group. Can you index the fee_units as a Base-100 series starting from row 0 and also give me the transaction-count-weighted mean so I can see how fees evolved relative to the starting day?"},{"title":"Comparing fee trends across instrument groups","prompt":"I've got 50 rows of transaction fee observations covering two instrument groups over the past quarter. Run a Base-100 normalization on fee_units starting at row index 0 and compute the weighted mean using transaction_count as the weight, so I can compare group performance."},{"title":"Benchmarking fees against a mid-period baseline","prompt":"Here are 30 rows of daily fee_units and transaction_count data. I want to re-base the index to start at row 15 instead of the first row, and get the secondary-measure weighted mean — so I can benchmark fees against a mid-period reference point."}],"resultDescription":"Returns two analytical reports: (1) a Base-100 index series rebasing the selected field (fee_units or transaction_count) relative to the chosen base row, and (2) a weighted mean of the primary field weighted by the secondary measure (transaction_count or fee_units), computed locally from the supplied rows with no external data lookups.","failureModes":["Rows array is empty or exceeds 200 items — request rejected","Row missing required fields (row_id, date, fee_units, transaction_count, instrument_group) — validation error","base_index out of range for the provided row count — error response","Null values in fee_units or transaction_count may affect weighted mean computation","Invalid date format (not YYYY-MM-DD) — schema validation failure","Payment not completed via x402 protocol — service not rendered"],"whenToPreferThis":"Choose this endpoint when you have pre-collected transaction fee observation data (up to 200 rows) and need both a Base-100 normalization series and a transaction-count-weighted mean in a single call, without any external data lookup or live market feeds. It is ideal for offline/batch analytical reporting on fee datasets where two complementary statistical views are needed cheaply ($0.01 USDC for both reports). Prefer alternatives if you need live fee data retrieval, forecasting, or more than 200 rows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T13:06:51.087Z","isFirstParty":false,"canonicalSlug":"transaction-fee-observations-base-100-series-secondary-measure-b4e41ee3"}