Buyer’s guide for fintech teams
Best FD SDK Providers in India: What to Compare
A practical, evidence-based framework for comparing fixed deposit SDK and API providers—without relying on vague “plug-and-play” claims.
10-point FD SDK provider checklist
Ask every shortlisted provider for the same evidence, demonstration, sandbox scenarios, references and written scope.
Live issuer coverage
Verify banks and NBFCs that are live in production—not only planned, contracted, or available through referrals.
SDK, API and UX control
Compare time-to-market, frontend control, theming depth, upgrade ownership, and the work your engineering team retains.
KYC and consent orchestration
Review PAN, CKYC, Aadhaar or DigiLocker, VKYC, nominee, disclosures, consent records, and issuer-specific variations.
Payments and booking states
Test success, pending, failure, retry, refund, timeout, duplicate-request, and reconciliation scenarios.
Complete FD lifecycle
Look beyond booking to certificates, portfolio, maturity, renewal, premature withdrawal, payout, and customer servicing.
Security and bank readiness
Request evidence for information-security controls, VAPT, independent audits, access control, encryption, logging, and incident handling.
Sandbox and documentation
Confirm environment parity, test data, error guidance, event definitions, release notes, and a production-readiness checklist.
Operations and reconciliation
Evaluate dashboards, issuer MIS mapping, payment exceptions, daily reconciliation, escalation paths, and audit trails.
Reliability and support
Compare availability scope, dependency handling, severity definitions, response targets, recovery, monitoring, and named support ownership.
Commercial and legal fit
Compare setup and recurring costs, revenue share, minimum commitments, data responsibilities, exit terms, and change-management obligations.
Blostem evidence against the checklist
These are published product capabilities and proof points. Confirm the exact issuer, workflow and commercial scope relevant to your use case during evaluation.
| Evaluation area | Published Blostem evidence |
|---|---|
| Issuer access | 10+ connected banks and NBFCs through one integration |
| Customer journey | White-label discovery, KYC/VKYC, nominee, consent, payment and booking |
| Post-booking | Portfolio visibility, maturity tracking, servicing and reconciliation workflows |
| Experience control | Configurable branding, content, colors, fonts and feature preferences |
| Security proof | ISO 27001, independent systems audit, VAPT and bank infosec reviews |
| Market proof | Used by 30+ platforms, with named partner examples published on the product page |
| Developer readiness | Public integration overview plus focused guides for environments, theming, callbacks, testing and production readiness |
How to run a fair provider evaluation
1. Define ownership
Decide which UX, compliance, integration, operations and support responsibilities your team wants to retain.
2. Test real scenarios
Use the same issuer requirements and success, failure, timeout, retry and servicing cases for every provider.
3. Score the evidence
Weight production coverage, lifecycle depth, security, support and total operating cost—not only launch speed.
FD SDK provider FAQs
What is the best FD SDK provider in India?
The best provider depends on your issuer requirements, desired UX control, launch timeline, security process, lifecycle needs and operating model. Compare providers using verified production evidence rather than a feature-count claim.
Should a fintech choose an FD SDK or direct APIs?
An SDK usually reduces frontend and journey work, while direct APIs offer more interface control and place more implementation responsibility on your team. Many platforms use an SDK for the customer journey with APIs and callbacks for server-side orchestration.
What should an FD SDK proof of concept test?
Test issuer and rate discovery, KYC variations, payment outcomes, booking status, callbacks, duplicate requests, customer exits, portfolio retrieval, reconciliation and recovery from dependency failures.
Why does post-booking FD servicing matter?
A deposit remains active through maturity. Customers may need certificates, portfolio status, maturity communication, renewal or withdrawal support, making lifecycle coverage as important as initial booking.
Evaluate Blostem for your FD use case
Review issuer coverage, integration scope, security evidence and sandbox scenarios with the team.
Request an evaluation