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Wallet by BudgetBakers Data API: Bank-Sync, Investments and Google Pay Enrichment
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Open data for a personal-finance app that combines bank feeds, cash, stocks and crypto
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INTRODUCTION
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Personal-finance apps have become a core part of how households and freelancers in the US, Germany, France and Spain track money. Many people no longer rely on their bank's own mobile app. They want one ledger for cash, bank feeds and investments. For developers and data teams, the useful information sits inside these apps: linked balances, price histories and categorized spending. A Wallet data API and open data access turn that information into something your own systems can call.
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FEATURED APP: Wallet: Budget Expense Tracker
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Wallet is BudgetBakers' Android personal-finance app, listed under Banking on openData Studio. Users log cash and card spending, manage envelopes and category budgets, and connect checking and credit accounts through Salt Edge, Yodlee and FastLink. They also follow stocks, ETFs and crypto, import bank CSV/PDF statements, and let Pay & Track turn Google Pay notifications into booked records.
The openData Studio page documents 14 endpoints, covering:
• session login
• bank-sync
• market prices
• FX rates
• enrichment
• statement imports
• bill-pay
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WHAT CAN BE INTEGRATED
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• Session authentication: exchange an SSO token for a session JWT (token, tokenId, expiry fields)
• Bank-sync data: supported countries, popular institutions per country, and linked checking, credit-card, savings and e-wallet accounts with live balance and currencyCode
• Transaction refresh: trigger a Salt Edge / Yodlee pull so new remote transactions reach the same owner and login
• Market data: an instruments catalog (symbol, exchangeCode), dated stock close prices and crypto quotes
• FX pair rates for converting multi-currency ledgers
• Google Pay enrichment: payee and amount in, merchantId, categoryId, envelopeId and labelIds out
The page also lists statement-import rows and Zaplaceno bill-pay providers and checkout.
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USE CASES
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[1] Open-banking ledger reconciliation
• Pull linked account balances nightly
• Trigger a sync so an ERP or household dashboard matches Wallet's feed
[2] Mark-to-market investments
• Search instruments by symbol and exchangeCode
• Overlay stock and crypto price history onto investment accounts
[3] Google Pay merchant tagging
• Send Pay & Track rows to the annotation call
• Feed merchant and category IDs into spend analytics
[4] Statement import mapping
• Read parsed CSV/PDF tokens such as rawValue and colName
• Bind Amount, Payee and RecordDate before activation
[5] Domestic bill-pay handoff
• List Zaplaceno providers
• Post amount, iban and variableSymbol, then store the paymentId for status polling
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DELIVERY & PRICING
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✓ Scoped integrations start from USD 500 with source-code handoff, or you can choose hosted access billed per call
✓ Delivery in 3–7 days
✓ Payment only after acceptance
✓ NDA + SOW on every engagement, with work scoped to authorized use
Note that the page describes its endpoints and examples as reconstructed from the app's interface. They are illustrative, not a live capture.
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CONCLUSION
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Wallet holds balances, prices, FX rates and merchant tags that finance and operations teams often have to re-key by hand. A documented Wallet data API makes that data callable. See the full endpoint list, field names and examples here:
https://opendata-studio.com/apps/wallet-budgetbakers/
To get a quote for your own Wallet BudgetBakers data integration, tell openData Studio which data you need.