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THINK VAY API INTEGRATION GUIDE
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Authorized access to loan-limit, repayment-schedule, disbursement and KYC data inside Vietnam's Think Vay lending app
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INTRODUCTION
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Think Vay (package happycredito.com.vn, operated by RADONKRIT COMPANY LIMITED) is a 100%-online
personal-loan app for Vietnamese residents, offering unsecured credit up to VND 50,000,000 on
93-to-365-day terms with an APR capped at 20% per year. Behind that simple front end sits a live,
structured loan ledger: approval status, drawn balance, a per-instalment repayment schedule,
disbursement records, and a KYC identity tied to a same-name bank account.
For lending marketplaces, collections platforms and account-aggregation products operating in the
Vietnamese fintech market, that data is worth reaching in a consistent, machine-readable shape.
This guide covers the authorized routes into Think Vay's loan and account data, what the
integration delivers, and where teams put it to use. Full details: https://openbankingstudio.com/think-vay.html
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SUPPORTED API FEATURES
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Overview of the integration surfaces available for Think Vay data access:
Loan-limit & approval-status reads — current credit ceiling and approval state per borrower
Repayment-schedule access — per-instalment due dates, principal/interest split, arrears flags
Disbursement-record retrieval — drawdown amount and destination bank-account reference
KYC/identity-verification status — CCCD/CMND verification state and linked phone number
Consented session authentication — login, token issuance and session-refresh handling
Linked bank-account matching — account-holder name verification against payout destination
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USE CASES & APPLICATIONS
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[1] Lending Marketplaces & Credit Risk
Check a borrower's live exposure before extending additional credit
Track loan-limit utilization and approval status across a lending panel
Screen for duplicate accounts via KYC identity matching
[2] Collections & Loan Servicing
Read the repayment schedule to flag due and overdue instalments
Automate arrears workflows and early-settlement calculations
Monitor amortization progress across the 93-to-365-day loan term
[3] Account Aggregation Platforms
Pull Think Vay loan balances into a unified Vietnamese-finance dashboard
Combine loan data alongside bank and e-wallet account views
Normalize data across multiple Vietnamese lending apps in one schema
[4] Payout Reconciliation & Audit
Match disbursement records against the destination bank account
Verify name-match between borrower identity and payout account
Flag disbursement discrepancies for finance-team review
[5] Fintech & Open Banking Integration Projects
Build to Vietnam's Open API framework under Circular 64/2024/TT-NHNN
Prepare for Decree 94/2025 sandbox interoperability (Open API, credit scoring, P2P lending)
Sync consent scope, expiry and revocation records for compliance
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BENEFITS & ADVANTAGES
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Reach loan, repayment and disbursement data behind an authenticated account, not just public info
Runnable source code delivered in Python or Node.js — not a locked black-box API
OpenAPI/Swagger specification included for loan-status, repayment and KYC-status reads
Protocol and auth-flow documentation covering login, token and session-refresh behavior
Automated tests covering repayment-schedule and disbursement parsing, including edge cases
Consent-record and data-retention guidance shaped to Vietnam's Decree 13/2023 and PDP Law
Single-endpoint scoping available — take just the repayment-schedule surface if that's all you need
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SUBSCRIPTION PLANS
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Two engagement paths are available for Think Vay data integration:
Source-code delivery — runnable integration code lands in your repository from $300,
billed only after delivery once you're satisfied
Hosted endpoint access — skip the build and call hosted endpoints on a pay-per-call
basis with nothing upfront
Typical delivery cycle runs one to two weeks for either path.
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CONCLUSION
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Think Vay's loan ledger — limit, repayment schedule, disbursement and KYC identity — is exactly
the kind of per-user structured data that lending marketplaces, collections tools and
aggregation platforms in Vietnam need to sync reliably. Whether through consented interface
integration today or Vietnam's emerging Open API framework tomorrow, the data is reachable in
an authorized, documented, and testable way.
Tell us the app and what you need from its data, and the integration is scoped from there.