Growable Digital Solutions

API Integration

Software that cannot talk to other software creates manual work. We build and connect APIs so data moves on its own, and we build them to survive timeouts, retries and provider downtime.

API Integration illustration
What we build

API Integration for your business

  • GST, PAN, KYC and bank verification
  • Payment gateways and subscription billing
  • WhatsApp, SMS and email delivery
  • Accounting and e-invoicing connections
  • Logistics, tracking and FASTag data
  • Your own public API with docs and keys
How we work

From first call to supported product

Contract

We agree inputs, outputs, errors and limits before writing code.

Build

Authentication, validation, idempotency and clear error messages.

Harden

Timeouts, retries, fallbacks and rate limits.

Observe

Request logs, alerts and a dashboard for failures.

Document

A public or private reference with examples, so the next developer is not lost.

Questions

API Integration: common questions

Can you build an API for our existing system?

Yes. We add a documented API layer around an existing database or application without rewriting it.

How do you handle provider downtime?

With timeouts, retries, queues and, where available, fallback providers. Growable One routes each API to a primary provider with an optional fallback.

Do you maintain integrations after launch?

Yes. Providers change their APIs, so we offer monitoring and maintenance.

Let us talk

Have a project, or a process that needs fixing?

Tell us about it. We reply within one working day, usually with questions rather than a sales pitch.

  • Reply in one working dayA real person, not a script
  • Written scope and estimateBefore you commit to anything
  • Built in stagesA demo every few weeks