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SDONG LOAN DATA INTEGRATION API
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Turning a Vietnamese vay tin online account into a structured, consent-based data feed
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INTRODUCTION
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Sdong (package name vm.sdong.app.loan) is a Vietnamese online consumer-lending
app offering unsecured "vay tin nhanh online" loans from 400,000 to
50,000,000 VND, over 91-180 days, at an APR capped at 26% a year. Behind the
app's phone-OTP login sits a compact but valuable borrower ledger: credit
limit, loan terms, day-by-day repayment schedule, disbursement record, and
repayment history.
For banks, BNPL platforms, personal-finance apps, and servicing desks, that
ledger is exactly the kind of data worth reaching in structured, machine-
readable form. The Sdong loan data integration API packages this as an
authorized, consent-based interface: real loan-file fields, mapped and
delivered as runnable source code rather than a one-off report.
This article walks through what the API supports, where teams are already
applying it, and why a consent-based approach to Vietnam loan app API work
outperforms scraping or guesswork.
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SUPPORTED API FEATURES
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Consent-based interface integration with Sdong's backend (OTP login,
bearer-token session, active-loan read, repayment-schedule read)
Credit limit and loan-status sync, separating active loans from
settled ones per borrower account
Loan-terms reconciliation — principal, term length, and APR pulled
directly from the accepted contract
Repayment schedule and balance tracking at day-level granularity,
including accrued-interest recomputation
Disbursement-record retrieval, with optional cross-check against the
receiving bank account through Vietnam's open-API rail (Circular 64)
KYC/identity status verification as a read-only reference signal,
without ever handling raw ID-card images
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USE CASES & APPLICATIONS
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[1] Credit risk & underwriting
A bank or BNPL partner checking a borrower's outstanding Sdong
obligations before extending additional credit
Feeding recomputed loan-limit and status data into an internal
affordability or exposure model
Cross-lender exposure checks before approving a second loan
[2] Personal finance & account-aggregation apps
Showing a user their Sdong repayment schedule alongside bank
balances in one dashboard
Surfacing upcoming due dates and accrued interest in real time
Building a single consolidated debt view across multiple vay tin
online apps
[3] Servicing, collections & reconciliation
Matching Sdong disbursement events against incoming bank credits
Reconciling repayment installments to detect delinquency early
Automating dunning workflows off a synced repayment ledger
[4] Open banking & compliance reporting
Confirming loan funding through the SBV Circular 64 consent-based
open-API path as bank catalogues roll out
Producing consent logs and access records aligned with Vietnam's
Personal Data Protection Law
Supporting audit trails for regulated lending partnerships
[5] Identity & onboarding workflows
Confirming a borrower's KYC-cleared status before onboarding them
into a partner lending or scoring product
Keeping identity verification data-minimised by reading status
only, never re-handling raw documents
Speeding up partner onboarding by reusing an already-verified
identity signal
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BENEFITS & ADVANTAGES
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Reaches the real loan ledger — limit, terms, schedule, disbursement —
not a generic summary
Interest figures reconciled to the dong, matching Sdong's own
day-count formula and worked example
Built on consent, aligned with Vietnam's Personal Data Protection Law
in force since January 2026
Delivered as runnable source (Python and Node.js), not a static PDF
report
Includes an OpenAPI/Swagger spec plus automated reconciliation tests
Designed around OTP sessions and device binding so syncs keep
running without re-prompting the borrower
A signature-diff check flags when a Sdong release changes a field,
so a pull degrades loudly instead of silently returning stale data
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SUBSCRIPTION PLANS
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Two ways to consume the integration: a one-time source-code delivery
starting at $300 — covering the runnable endpoints, spec, tests, and
interface documentation, payable after delivery — or a hosted, pay-per-call
option with no upfront cost for teams that would rather call a ready
endpoint than run their own build.
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CONCLUSION
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Sdong's loan ledger is small, but it is precisely the data lenders,
finance apps, and servicing teams need in structured form. A consent-based
Sdong loan data integration API turns a phone-OTP-gated backend into a
reliable, reconciled feed — without touching the identity layer, and
without guessing at endpoints. If your product needs to read, sync, or
reconcile vay tin online loan data out of Sdong, start by scoping the
fields you need.
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Learn more / start an integration:
https://openbankingstudio.com/sdong-vay-tin-nhanh-online.html