{"uid":"cap_i_xexVA6WffsyNs6T6T6R","slug":"vextorium-savings-investment-plan-calculator-689522be","name":"Vextorium Savings & Investment Plan Calculator","description":"Savings or investment plan with monthly contributions and compound interest: final value, total contributed, interest earned, value in today's money after inflation, yearly evolution and the monthly amount needed to reach a goal.","url":"https://api.vextorium.com/plan-ahorro-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"anios":{"type":"number"},"objetivo":{"type":"number"},"inflacion_pct":{"type":"number"},"capital_inicial":{"type":"number"},"aportacion_mensual":{"type":"number"},"rentabilidad_anual_pct":{"type":"number"}}},"responseSchema":{"type":"json","example":{"nota":"Rentabilidad constante supuesta; los mercados reales varían. Sin impuestos ni comisiones.","evolucion":[{"anio":1,"valor":3525.31,"aportado":3400},{"anio":2,"valor":6202.13,"aportado":5800},{"anio":3,"valor":9039.56,"aportado":8200},{"anio":4,"valor":12047.24,"aportado":10600},{"anio":5,"valor":15235.38,"aportado":13000},{"anio":6,"valor":18614.81,"aportado":15400},{"anio":7,"valor":22197.01,"aportado":17800},{"anio":8,"valor":25994.13,"aportado":20200},{"anio":9,"valor":30019.09,"aportado":22600},{"anio":10,"valor":34285.54,"aportado":25000},{"anio":11,"valor":38807.97,"aportado":27400},{"anio":12,"valor":43601.76,"aportado":29800},{"anio":13,"valor":48683.17,"aportado":32200},{"anio":14,"valor":54069.47,"aportado":34600},{"anio":15,"valor":59778.94,"aportado":37000},{"anio":16,"valor":65830.98,"aportado":39400},{"anio":17,"valor":72246.15,"aportado":41800},{"anio":18,"valor":79046.22,"aportado":44200},{"anio":19,"valor":86254.3,"aportado":46600},{"anio":20,"valor":93894.86,"aportado":49000}],"intereses":44894.86,"valor_final":93894.86,"para_objetivo":{"objetivo":100000,"aportacion_mensual_necesaria":213.46},"total_aportado":49000,"valor_final_en_dinero_de_hoy":63188.55}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_m7pDNaQCfVoYzBllPOP8B","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates the future value, total contributions, interest earned, inflation-adjusted value, yearly growth evolution, and monthly contribution needed to reach a savings or investment goal.","exampleAgentPrompt":"If I invest $200 per month for 20 years with a 7% annual return, an initial capital of $1,000, and 3% inflation, how much will I end up with — and what would that be worth in today's money? Also, what monthly amount would I need to reach a $100,000 goal?","exampleUseCases":[{"title":"Retirement savings projection","prompt":"I want to retire in 30 years. If I put in $300 a month with a starting balance of $5,000 and expect a 6% annual return, how much will I have, how much of that is interest, and what's it worth in today's dollars assuming 2.5% inflation?"},{"title":"College fund goal planning","prompt":"I need $50,000 in 18 years for my kid's college fund. With a $150 monthly contribution and 5% annual return, will I hit my goal — and if not, what monthly amount do I actually need?"},{"title":"Short-term investment simulation","prompt":"Show me the year-by-year growth of a 5-year savings plan where I contribute $500 a month, start with no initial capital, and earn 4% per year — including how much is interest versus what I put in."}],"resultDescription":"Returns a JSON object with: final portfolio value, total amount contributed, total interest earned, inflation-adjusted final value in today's money, a year-by-year evolution array (year, total value, total contributed), a goal section showing the target amount and the monthly contribution required to reach it, and a disclaimer note about assumed constant returns.","failureModes":["Missing required fields (aportacion_mensual, anios, rentabilidad_anual_pct) returns a validation error","Negative or zero duration (anios) may produce invalid or zero results","Extremely high return rates may yield unrealistic projections without error","Inflation rate not provided defaults to no inflation adjustment"],"whenToPreferThis":"Use this endpoint when you need a complete savings or investment plan simulation including compound interest, inflation adjustment, yearly evolution table, and goal-based monthly contribution calculation — all in a single call. Prefer it over generic financial calculators when you need the full breakdown (interest vs principal, real vs nominal value, year-by-year data) and optionally the reverse calculation of monthly savings needed for a target amount.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:48:10.348Z","isFirstParty":false,"canonicalSlug":"vextorium-savings-investment-plan-calculator-689522be"}