Hire API Billing Experts

API Usage Tracking and Billing Solved in Days

Smartbrain augments your team with senior JavaScript specialists only. Unique Selling Point – delivery-ready in 48h average hiring time.

48h vetted onboarding
99th-percentile JavaScript talent
Month-to-month flexibility

Outstaffing gives you instant access to pre-vetted JavaScript engineers who live and breathe API usage tracking and billing. You skip months of recruiting, save up to 40 % on payroll taxes, and still hold full technical control. Our specialists plug into your sprint board within 48 hours, bringing proven metering, analytics, and billing-automation know-how from FinTech, SaaS, and IoT brands. Because they stay on our payroll, you avoid long-term liabilities, HR overhead, and equipment costs—while scaling headcount up or down any time a release plan shifts.

Simply put, you get senior brain-power, not administrative pain.

[object Object]

What Technical Leaders Say

“Our FinTech dashboards needed granular API metering. Smartbrain dropped a senior JS dev into the repo in 48 h. She built real-time billing hooks, tightened Node.js rate-limit logic, and cut query latency. Productivity spiked, and my in-house team finally focused on new features.”

Emily Carter

CTO

Prospera Capital

HIPAA logs meet JavaScript excellence. Their augmented engineer integrated usage analytics, Stripe billing, and GraphQL pagination without disrupting our React codebase. Onboarding took one stand-up; velocity rose 27 % the first sprint.

Michael Nguyen

VP Engineering

MediChart Systems

We push millions of MQTT messages daily. Smartbrain’s JavaScript specialist optimized our serverless metering and automated invoices. Onboarding was frictionless, freeing my core team to ship a new React Native control panel.

Sophia Brooks

Engineering Manager

RouteSphere Logistics

Needed consumption-based pricing fast. The outstaffed dev rewrote Express middleware, added Stripe usage records, and delivered Jest tests. Time-to-effect: 5 days, zero recruitment effort.

Daniel Reed

Head of Platforms

ShopWave Brands

Smartbrain filled a critical Node.js seat for our VoIP analytics. The engineer embedded seamlessly, tuned Kafka consumers, and built automated billing exports. Support tickets dropped 38 %.

Patricia Gomez

Director of Engineering

SkyReach Communications

Regulated banking APIs demand precision. Their JavaScript pro introduced TypeScript guards, fine-grained metering, and daily reconciliation scripts. Error rate fell below 0.1 % while we avoided the cost of another full-time hire.

James Turner

Chief Digital Officer

Heritage Federal

Industries We Power

FinTech Platforms

FinTech firms rely on micro-metering for pay-per-call APIs, FX rates, and KYC services. Augmented JavaScript developers implement secure token validation, real-time Ledgers, and PCI-compliant billing integrations that scale to millions of transactions while keeping latency low.

Healthcare SaaS

HealthTech providers need HIPAA-ready usage tracking and billing. Our JS experts wire up audit trails, anonymize PHI in logs, and embed consumption‐based invoices that satisfy both doctors and finance teams.

E-commerce Marketplaces

Marketplace APIs must charge merchants accurately. We craft Node.js metering layers, auto-generate invoices, and integrate Stripe webhooks to ensure real-time billing visibility.

IoT & Telematics

Billions of device calls? No problem. JavaScript specialists optimize serverless Lambda meters, aggregate MQTT usage, and push billing data to analytics dashboards.

Telecommunications

Telecom operators demand multi-tenant CDR billing. Our augmented devs build high-throughput Kafka consumers, implement rate limiting, and automate bill runs.

AdTech

With impressions priced per millisecond, AdTech stacks require ultra-fast usage counting. We enhance Node/TypeScript pipelines, add Redis counters, and sync spend to DSP dashboards.

Logistics

Fleet APIs expose location and ETA endpoints. JavaScript engineers instrument usage, tier pricing by miles, and deliver billing CSVs that finance trusts.

Gaming & Esports

Game studios monetize APIs for leaderboards and matchmaking. Our devs embed real-time tracking in WebSocket gateways and roll out self-service billing portals.

Energy Tech

Smart-grid vendors need precise metering for kilowatt API calls. We create Node.js services that tally usage, reconcile with SCADA data, and issue automated invoices.

API Usage Tracking and Billing Case Studies

Client: Series-B online-lending platform.
Challenge: Existing Node services lacked api usage tracking and billing, causing revenue leakage.
Solution: Our two-person augmented JavaScript squad embedded in 48 h, implemented granular metering middleware, and integrated Stripe’s metered-billing API. They wrote Jest/TypeScript tests and Grafana dashboards.
Result: 61 % revenue recovery in the first quarter and 0.2 s average latency reduction.

Client: Global fleet-tracking provider.
Challenge: Device bursts overwhelmed legacy system; accurate api usage tracking and billing was impossible.
Solution: One Smartbrain JS architect redesigned metering in AWS Lambda, added DynamoDB aggregations, and connected to QuickBooks via REST.
Result: 99.8 % billing accuracy and 45 % AWS cost drop within 60 days.

Client: HIPAA-compliant EHR SaaS.
Challenge: Needed compliant api usage tracking and billing before SOC 2 audit.
Solution: Augmented JS team of three added audit-ready logs, GraphQL metering, and automated invoicing with charge tiers. Integration completed in 3 sprints.
Result: Passed audit with zero findings and generated an extra $420 K ARR from usage fees.

Book Your 15-Min Call

120+ JavaScript engineers placed, 4.9/5 avg rating. Talk to us today and get a pre-vetted API billing expert on your stand-up in 48 hours.

Стать исполнителем

Our Core Services

Usage Metering Modules

We embed Node.js or TypeScript middleware that counts every request, tags it by tenant, and streams data to analytics engines. Benefits: instant visibility, zero missed calls, audit-ready logs.

Billing Automation

Our devs hook metered data into Stripe, Recurly, or custom ERP so invoices run without manual spreadsheets, cutting finance workload by 80 %.

Rate-Limit Enforcement

Prevent abuse with Redis-backed throttling and JWT scopes written by senior JS engineers. Protect uptime and monetize premium tiers.

Developer Portals

We build React portals showing real-time consumption, spend forecasts, and self-service top-ups—boosting API stickiness and reducing support tickets.

Data Reconciliation Scripts

Custom Node scripts cross-check usage against payment records, flagging anomalies automatically. Finance loves the zero-discrepancy reports.

Migration & Refactoring

Stuck with monolith billing? Our outstaffed team decomposes logic into microservices, adds tests, and migrates traffic with no downtime.

Want to hire a specialist or a team?

Please fill out the form below:

FAQ

How fast can I onboard a JavaScript developer for API billing?

Thanks to our vetted bench, average onboarding takes 48 hours after requirements sign-off.

Do the engineers have experience with Stripe metered billing?

Yes. Over 70 % of our JavaScript talent has integrated Stripe Usage Records, webhooks, and customer portals in production.

Can I scale the team up or down mid-project?

Absolutely. Contracts are month-to-month, so you add or remove developers with 7-day notice.

Will I keep full IP ownership of the code?

All deliverables are assigned to you under our Master Service Agreement; we retain no rights.

How do you ensure code quality remotely?

Every engineer passes code reviews, follows your GitFlow, writes unit tests, and joins daily stand-ups.

Is the service compliant with SOC 2 and HIPAA?

Yes, our security framework meets SOC 2 Type II. We also have HIPAA-trained developers for healthcare projects.

What time zones do your developers work in?

We cover US time zones coast-to-coast and can overlap at least four hours with any North-American team.

Can I interview the developer before engagement?

Definitely. You conduct a final cultural and technical interview to confirm fit.

Do you provide replacement if a developer leaves?

Yes. We guarantee quick replacement at no extra cost within 5 business days.

How is usage tracking expertise validated?

Engineers solve a live coding task involving request metering, billing hooks, and rate limiting before joining our bench.