Verification APIs: How Singapore Fintechs Automate Onboarding

Fintech onboarding is broken. Most companies know it, and few have fixed it.

The traditional Know Your Customer (KYC) process buries applicants in document uploads, back-office reviews, and days of waiting – and 63% of applicants never make it to the finish line. That’s not a minor gap in conversions. Every abandoned application is lost revenue and wasted acquisition spend.

A verification API changes the equation. It replaces paperwork with real-time identity signals that run in seconds, not days, and it plugs into an existing onboarding flow without a full platform swap.

Why Manual Identity Checks Fail at Scale

Manual KYC was built for a different era. Reviewers handle passport scans, utility bills, and selfie matches across dozens of jurisdictions, each with its own rulebook.

Compliance spend has ballooned as a result. Large financial institutions now spend tens of millions of dollars a year on KYC and onboarding compliance alone, and most of that goes into process overhead rather than better risk decisions.

Peak periods expose the fragility. A promotional campaign attracting ten thousand sign-ups overwhelms a review team built for five hundred daily applications. Backlogs grow, approval times stretch, and applicants leave.

Manual KYC does not slow growth; it caps it. A verification API lifts the ceiling by moving the repetitive identity checks out of human queues and into automated flows.

How Verification API Automates Identity Checks

A verification API gives fintechs a programmable way to confirm that the person opening an account is who they claim to be, using signals the phone, device, or carrier already produces. Common signals include:

• One-Time Password (OTP) delivery: A code sent to the applicant’s phone by SMS, voice, WhatsApp, or Viber confirms they control the number submitted at sign-up.
• Silent Mobile Authentication: Mobile network data verifies the Subscriber Identity Module (SIM) and device in the background, without asking the user to do anything.
• Number intelligence: A lookup confirms that a phone number is active, identifies its carrier, and flags numbers linked to fraud patterns before any other check runs.
• Branded mobile verification: Delivering OTP codes inside a verified business profile on WhatsApp raises trust and lifts answer rates.

A verification API has cut verification times by 78%. That speed directly increases completion rates and reduces cost per verified customer. However, a verification API does not replace document verification, biometric matching, or Anti-Money Laundering (AML) screening.

Those signals come from specialist identity platforms. A verification API plugs into the same onboarding flow and covers the phone-based layer, which is the step most customers hit first.

Read More: Reinforcing Trust: Tackling Fraud with Stronger Authentication in Finance

The Fraud Threat in Verification API Workflows

Speed without security is a liability. Fintechs that rush applicants through verification without proper checks expose themselves to synthetic identity fraud and regulatory penalties.

Veriff reports a 5.5% fraud rate in fintech onboarding, and artificial intelligence (AI) generated deepfakes have increased 300% year over year, accelerating the threat.

Fraudsters use stolen documents, manipulated selfies, and synthetic identities to pass basic checks. A single verification layer catches some of these; a layered verification approach catches more.

Strong KYC workflows combine document scans, biometric matching, and phone-based authentication to create multiple checkpoints that bad actors must clear.

Each verification layer adds friction for fraudsters while remaining invisible to legitimate applicants. That asymmetry is what good KYC design achieves.

APAC Compliance Across Multiple Jurisdictions

Singapore-based fintechs face a patchwork of regulatory regimes across Asia-Pacific. What satisfies Singapore’s Monetary Authority (MAS) and the Personal Data Protection Act (PDPA) at home does not automatically meet Indonesia’s Otoritas Jasa Keuangan (OJK) requirements or India’s Reserve Bank of India (RBI) guidelines.

Each jurisdiction defines its own acceptable ID types, data retention periods, and reporting obligations.

A fintech operating in five APAC markets has to comply with five distinct frameworks, and mistakes carry real costs: fines, license revocations, and reputational damage.

Mordor Intelligence research puts the global KYC market on a steady growth curve through the decade, driven in large part by APAC regulators tightening onboarding rules and by fintechs expanding across the region.

A verification API helps by letting fintechs apply jurisdiction-specific delivery and signal rules at the API layer. Regional channel preferences, carrier-level compliance, and routes that work for local regulators all sit behind a single integration, which keeps multi-market onboarding from turning into a stack of separate vendor contracts.

How 8×8 Supports Verification

8×8’s Verification API powers the phone-based identity layer inside fintech onboarding flows. It generates and validates OTP codes across SMS, voice, WhatsApp, and email – and when the primary channel stalls (a common problem with SMS in parts of APAC), it falls back automatically, say from SMS to a voice call, so a verification rarely fails for a reason the applicant can see.

Two details change the economics. You pay only for successful verifications, so failed delivery attempts cost nothing. And built-in conversion analytics show exactly where users drop off – by channel, market, and carrier – so you tune routing with data instead of guesswork. Sender ID management, OTP generation, fallback, and fraud monitoring all sit behind the same integration.

Alongside the Verification API, three complementary solutions extend the verification stack:

• Silent Mobile Authentication: Verifies the user’s SIM and device in the background using mobile network signals. No code entry, no friction, and lower drop-off at the verification step.
• Number Lookup API: Validates whether a phone number is active, identifies its carrier, and flags numbers linked to fraud patterns before the fintech invests in costlier checks.
• Verif8: Delivers OTP codes inside a verified business profile on WhatsApp or Viber, lifting open rates and customer trust compared with plain SMS.

These APIs work together as one verification stack:

1. A new sign-up can start with a Number Lookup check to screen out fraud patterns.
2. Move to Silent Mobile Authentication for a frictionless background verification.
3. Fall back to a Verif8 OTP on WhatsApp if silent authentication is not available.

Across APAC, 8×8 connects directly with regional carriers to deliver verification signals at scale, with local compliance built in.

That carrier-level footprint is what keeps OTP delivery reliable in markets where generic aggregators struggle.

Ensure Every Verification Converts

Every abandoned application represents a customer who wanted to sign up but couldn’t get through. Automated KYC verification fixes that by replacing manual bottlenecks with real-time checks.

Fintechs that adopt verification APIs see faster approvals, lower fraud exposure, and higher completion rates across every market they serve.

What would your onboarding numbers look like if applicants stopped dropping off at verification? 8×8’s Verification API is built to answer that question. Contact 8×8 to discuss your KYC workflow.