API integration & development
Reliable API Integrations Built for Production
Anyone can connect two APIs in a demo. The hard part is what happens at 2 a.m. when a provider times out, sends wrong data, or bills you for the same question a thousand times. We build integrations for that night — because we run systems that live through it.
What we connect
The systems your business already depends on.
Payments & billing
Stripe checkouts, subscriptions, invoicing, and webhook-driven reconciliation that keeps your books matching reality.
SMS, email & messaging
Twilio and transactional email wired to real customer records — reminders, alerts, and campaigns that send themselves.
Data sync between systems
Orders, customers, and inventory reconciled across platforms against a source of truth, with mismatches flagged instead of ignored.
Webhook pipelines
Receivers that verify, queue, retry, and log — so a vendor outage means a delay, not lost data.
Vendor & industry APIs
The niche APIs your industry runs on, integrated with the same verification and budget discipline as the big ones.
Custom API development
APIs we design and build for your own product — documented, versioned, cached, and fast.
Where our patterns come from
Lessons paid for in our own production systems.
FlightDetector, our real-time flight-tracking platform, fuses six independent aviation feeds that disagree, go down, and bill per request. Making them behave as one reliable system taught us more than any client project could — and every lesson transfers directly to business integrations.
Never trust a single source
Two aviation databases told us the same flight was going to two different cities; the aircraft was flying to a third. FlightDetector verifies every claimed route against measured reality. Your integrations get the same treatment: reconcile, don't just copy.
Archive first, call the API second
Every answer we fetch is stored permanently with a coverage index of what's already been paid for. Repeat questions cost nothing. The system literally gets cheaper and faster the longer it runs.
Enforce budgets in the database
Our fallback data sources allow as few as 100 requests a month. Usage counters live in the database and are checked before every call — a hard stop below the real limit, immune to application bugs.
Decide the fallback before the outage
When our primary live feed started timing out mid-project, the map silently switched to a secondary source and visitors never noticed — because the fallback chain existed, tested and boring, before it was needed.
Frequently asked questions
API integration, answered plainly.
What APIs and systems do you integrate?
Payments (Stripe), SMS and voice (Twilio and similar), email, accounting (QuickBooks), CRMs, ERPs, shipping, and industry vendor APIs — plus custom APIs we design and build for your own product. If it has an API or a webhook, we can connect it; if it doesn't, we can often still automate it.
What makes an integration "production-grade"?
Four things we treat as non-negotiable: verification (data is reconciled against a source of truth, not blindly copied), budgets (external calls are counted and capped in the database so a bug can't blow up your bill), fallbacks (when a provider goes down, the system degrades gracefully instead of failing), and honesty (when data can't be verified, the system says so rather than guessing).
Can you fix an integration someone else built?
Yes — brittle integrations that duplicate records, drop webhooks, or silently stop syncing are a regular part of our work. We diagnose what's actually happening, add the missing verification and retry logic, and leave you with logs that answer "did it run?" definitively.
How do you keep third-party API costs under control?
Archive-first design: every answer fetched from a paid API is stored permanently, so repeat questions are answered from your own database in milliseconds at zero cost. Combined with database-enforced budgets and provider escalation chains, systems get cheaper as they run. We wrote up the full playbook in our guide to cutting API costs.
Which integration keeps letting you down?
CRM, billing, a vendor API — tell us what breaks and we'll tell you how we'd make it boring and dependable.