{"uid":"cap_cZ44n6E3r5KFeycR-MSa0","slug":"marketing-contribution-return-base-100-rebase-report-c5f150be","name":"Marketing Contribution Return – Base-100 Rebase Report","description":"Marketing contribution return - Base-100 rebase report: Rebase ordered calculated values against a supplied positive base observation. Metric: Marketing contribution return. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded base-100 rebase report report.","url":"https://market.datapackvibe.com/x402/assistant-finance-marketing-return-index?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rows":{"type":"array","items":{"type":"object","required":["attributed_contribution","marketing_spend"],"properties":{"marketing_spend":{"type":"number","default":5000,"maximum":1000000000000,"minimum":0,"description":"Amount in a consistent supplied currency and reporting period","exclusiveMinimum":0},"attributed_contribution":{"type":"number","default":8000,"maximum":1000000000000,"minimum":-1000000000000,"description":"Amount in a consistent supplied currency and reporting period"}},"additionalProperties":false},"default":[{"marketing_spend":5000,"attributed_contribution":8000},{"marketing_spend":5500,"attributed_contribution":8800},{"marketing_spend":5000,"attributed_contribution":8000},{"marketing_spend":5500,"attributed_contribution":8800}],"maxItems":200,"minItems":2},"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_Y9fgmk__CEApnNh2eW4IP","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":"Rebases a series of marketing contribution return values against a chosen base observation, returning index-normalised figures with formula, units, and limitations.","exampleAgentPrompt":"I have 4 periods of marketing data — spends of $5000, $5500, $5000, $5500 and attributed contributions of $8000, $8800, $8000, $8800 — can you rebase the marketing contribution return as a base-100 index starting from the first observation and give me the formula and units?","exampleUseCases":[{"title":"Quarter-over-quarter marketing ROI indexing","prompt":"I have six quarters of marketing spend and attributed revenue data and I want to see how our marketing contribution return has moved relative to Q1 — can you rebase everything to a base-100 index starting from the first quarter entry and return the formula used?"},{"title":"Campaign baseline comparison for new product launch","prompt":"We ran 8 monthly marketing campaigns. Spend ranged from $20,000 to $45,000 and attributed contributions from $30,000 to $80,000. Rebase the marketing contribution return series to base 100 using month 4 as the reference point so I can see performance relative to the mid-point."},{"title":"Year-end marketing performance normalization","prompt":"I need to normalize our annual marketing contribution return across 12 months of data — spends and attributed contributions supplied — indexed to 100 at observation 0, so leadership can compare relative performance without absolute currency figures."}],"resultDescription":"A JSON object containing the base-100 rebased marketing contribution return values for each supplied row, the mathematical formula applied, the units of the output index, and stated limitations of the calculation.","failureModes":["Fewer than 2 rows supplied — minimum items constraint violated","base_index references a row that does not exist in the submitted array","marketing_spend value is zero or negative — exclusiveMinimum constraint violated","Row objects missing required fields attributed_contribution or marketing_spend","More than 200 rows submitted — maxItems constraint violated","Base observation produces a zero denominator (zero contribution return at base point), preventing valid rebase"],"whenToPreferThis":"Choose this endpoint when you need to express a series of marketing contribution return observations as an indexed series relative to a specific reference period, particularly for trend comparison, stakeholder reporting, or normalisation across different spend scales. It is purpose-built for this metric and returns the formula and units alongside figures, making it suitable for auditable or explainable analytics workflows. Prefer alternatives if you need raw ROAS, trend-line fitting, or benchmark correlation rather than index normalisation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T19:03:22.020Z","isFirstParty":false,"canonicalSlug":"marketing-contribution-return-base-100-rebase-report-c5f150be"}