API integration services that make the manual steps disappear
Integration work looks simple until it fails quietly. A webhook that returns 200 and drops the payload. A retry that double-charges. A sync that silently stops on a schema change. We build integrations with the unglamorous parts included — idempotency, retries, dead-letter handling and reconciliation reports — so you find out about failures from a dashboard rather than a customer.
- Node.js
- TypeScript
- REST
- Webhooks
- Stripe
- Razorpay
What usually brings people here
- 01
The webhook failed silently
The provider retried, gave up, and logged a success. Money moved and your system never heard about it.
- 02
Data is re-keyed by hand
Someone copies orders from one system into another every morning. It works until they are on leave.
- 03
No one can prove the numbers match
Two systems hold different totals and there is no reconciliation report to say which is right.
- 04
A provider changed their API
The integration was written once and never versioned or monitored, so it broke and nobody noticed for a week.
- Payment gateway integration and webhooks
- CRM, accounting and ERP synchronisation
- WhatsApp, SMS and email notifications
- Idempotent handlers with retry and backoff
- Dead-letter queue and failure alerting
- Reconciliation reports and audit logging
- Scheduled jobs and background workers
- Integration documentation and runbook
From first call to steady state
- 01
Map the data and its owner
Which system is the source of truth for each field. Most integration bugs are really disagreements about ownership.
- 02
Design for failure first
Retries, idempotency keys and what happens when the third party is down — decided before the happy path is built.
- 03
Build with a reconciliation view
Every integration ships with a screen that shows what synced, what failed and what needs attention.
- 04
Monitor and alert
Failures page a human. Silent integration failure is the expensive kind, and it is entirely avoidable.
Benefits & business outcomes
What changes when this work is done properly — not activity metrics, business results.
- 01
Failures visible before customers are
Retries, dead-letter queues and reconciliation reports — so a dropped webhook is a dashboard item, not a support ticket.
- 02
Idempotent by design
Duplicate deliveries and retries cannot double-charge or double-create. That discipline is the core of serious API integration.
- 03
Systems stay in agreement
Payments, CRM, messaging and internal tools share state on a schedule you can explain — without daily manual entry.
- 04
Schema changes do not go silent
Contract tests and alerts when a partner API shifts shape, instead of a sync that stopped three weeks ago unnoticed.
The stack for this work
- Node.js
- TypeScript
- REST
- Webhooks
- Stripe
- Razorpay
- Queues
- Cron
- Businesses running several disconnected tools
- Companies taking online payments
- Teams doing daily manual data entry
- Operations needing reliable notifications
Working remotely with teams in United States, United Kingdom, Canada, Europe, United Arab Emirates, Saudi Arabia, Singapore, Australia, New Zealand and India.
Industries we serve
The same engineering patterns apply across sectors — the domain language and constraints change.
- SaaS platforms
- E-commerce & retail
- Fintech & payments
- Healthcare software
- Logistics platforms
- Marketplaces
- Agency-built products
Why choose BuildsInfinity
Practical reasons teams choose BuildsInfinity for api integration services — grounded in how we actually work, not a slogan list.
- 01
Unglamorous parts are in the quote
Idempotency, reconciliation and dead letters are deliverables — not 'phase two'. That is how integrations stay boring in production.
- 02
We map ownership of every field
Which system wins on conflict is decided up front. Ambiguous syncs are how CRM and ERP trust collapses.
- 03
Works with imperfect partner APIs
Rate limits, partial payloads and undocumented quirks are assumed. We design around them rather than the happy-path docs.
Related services
Payment Gateway Integration
Checkout, webhooks, refunds and subscriptions wired properly — with a reconciliation report that catches what the webhook missed.
CRM Integration Services
Lead capture, two-way sync and deduplication between your product and the CRM — with field mapping that does not rot.
ERP Integration Services
Orders, inventory, invoices and master data moving between your ERP and everything else — reconciled and audited.
Need api integration services?
Send a paragraph about the problem and you will get a considered reply from an engineer — a shape, a rough timeline and an honest view on whether we are the right fit. Request a consultation or project estimate anytime.