Connect accounts. Move money. Verify identity. Prevent fraud. One platform from prototype to enterprise.
const response = await nexalink.connect.linkAccount({
institution_id: 'chase_1',
user_id: 'usr_8a7f3c',
products: ['transactions',
'balances'],
webhook: 'https://app.co/hook'
});{
"link_id": "lnk_9xK2mP",
"status": "connected",
"institution": {
"name": "Chase",
"id": "chase_1"
},
"accounts": 3,
"latency_ms": 47
}The NexaLink Platform
From your first API call to enterprise-grade deployment, every capability connects through one unified API.
Link accounts at 12,000+ financial institutions. Normalized data, real-time balance and transaction access across every major bank, credit union, and brokerage.
Connected by the NexaLink Unified API
Platform Evolution
What started as the fastest way to link a bank account grew organically into the platform that powers modern finance.
Average platform ROI across enterprise customers using 3+ capabilities. Compound value from shared data layer.
Launched account linking API. 500 institutions. The foundation of everything that followed.
Payment initiation added. Customers said: "We're already connected -- let us move money too."
Identity and KYC. Regulators demanded it. Our data made it possible in milliseconds, not days.
Fraud detection and compliance. Built on the same transaction intelligence that powers everything else.
ML-powered financial intelligence. Transaction enrichment, cash flow, risk scoring. The data becomes the product.
4,200+ companies, 85M accounts, five capabilities that compound. Every feature makes every other feature better.
Platform demo, compliance assessment, and dedicated architecture review for teams processing 10M+ transactions.
Get started in 5 minutes with our free sandbox.
$ npm install nexalink-sdk
Customer Story
"Moving from three separate vendors to NexaLink's unified platform cut our integration costs by 60% and reduced onboarding drop-off from 34% to 11%."
Built For Your Role
Whether you're evaluating enterprise infrastructure or shipping your first feature, we have a path built for you.
Banks, credit unions, insurers
Platform demo, compliance assessment, and dedicated architecture review for enterprise-scale deployments.
Neobanks, lenders, PFM apps
Free sandbox, instant API keys, generous free tier. Go from zero to first API call in under 5 minutes.
Build, test, ship
SDKs in 5 languages, Postman collection, comprehensive docs. Built by developers, for developers.
Resellers, consultants, alliances
Co-sell opportunities, deal registration, marketing resources, and certified partner program.
CROs, compliance officers
SOC 2, PCI-DSS, AML compliance. Automated reporting, audit trails, and regulatory frameworks.
Developer Experience
// Install: npm install nexalink-sdk
import { NexaLink } from 'nexalink-sdk';
const client = new NexaLink({
apiKey: process.env.NEXALINK_KEY
});
const accounts = await client
.connect.getAccounts('usr_8a7f3c');
console.log(accounts.balances);
// → [{ available: 4250.00, ... }]From the Blog
After a decade of point-solution proliferation, the pendulum is swinging toward platform consolidation.
Lessons from scaling to 12,000 institutions: retry patterns, idempotency, and circuit breakers.
Emerging fintechs are leveraging embedded financial infrastructure to launch products 3x faster than incumbents.
From your first API call to enterprise scale. Start free, upgrade when you're ready.
Free tier: 100 connections/month, no credit card required.