03Build · Engineering

Connect everything your business runs on.

Integrations with UPI and payment gateways, KYC, WhatsApp, CRMs, ERPs and any third-party API.

Typical time
1–6 weeks
Price
MVP from ₹15 lakh

Who it's for

  1. 01Products that need payments or KYC
  2. 02Businesses with disconnected systems
  3. 03Companies opening APIs to partners

Why it matters

A product is only as useful as what it connects to. We integrate payments, identity checks, messaging and your business systems reliably, with proper error handling, so data flows without manual copying.

What you get

Everything you'll hold at the end.

06
  • 01

    Payments

    UPI, Razorpay, PhonePe, Cashfree, Stripe and more.

    • Retries, reconciliation and alerts on every money flow.
  • 02

    KYC and identity

    Aadhaar-based, PAN and video KYC providers.

    • Tested in sandbox, then live.
  • 03

    WhatsApp

    WhatsApp Business API for messages and bots.

    • Messages and bots on the WhatsApp Business API.
  • 04

    CRM and ERP

    Zoho, Salesforce, HubSpot, Tally, SAP and others.

    • Data flows without manual copying.
  • 05

    Custom APIs

    Secure, documented APIs for your partners.

    • Documented and secured for partners.
  • 06

    Monitoring

    Alerts when an integration fails.

    • Alerts and logs after launch.
    • Works with your vendor's API, even poorly documented ones.

A working demo every week.

You see progress, not status reports. A link you can tap, every week.

Book a call about this

How it runs

Clear steps. No surprises.

Typical time: 1–6 weeks. You get the exact dates in writing before we start.

  1. 01

    Map

    Systems, data and flows.

  2. 02

    Build

    Integrations with error handling.

  3. 03

    Test

    Sandbox and live testing.

  4. 04

    Monitor

    Alerts and logs after launch.

Our promises, on this service too

  • Scope signed in writing. A one-page scope you approve before work starts.
  • One accountable lead. Their name and number on day one, and they answer.
  • A working demo every week. A link you can tap, every week.
  • QA inside every sprint. A test report with every demo.
  • Dates published up front. A timeline you can share with your board.

Price & time

MVP from

₹15 lakh

Part of Build, or quoted on its own.

Typical time
1–6 weeks
Next step
Fixed quote in writing after the first call.
Get a quote

FAQ

Questions founders ask before they start

Something else? Ask us directly. A real person replies within one working day.

Can you work with our existing vendor's API?

Yes, if it's documented, and often even if it isn't.

What happens if a payment fails?

We build retries, reconciliation and alerts for every money flow.

Do you build APIs for others to use?

Yes, documented and secured.

Who owns the work?

You do. Every file, design and line of code is yours on payment.

Can you sign an NDA?

Yes, before the first call if you like.

How do we start?

Book a call. Within one working day you'll talk to a real person, and after the call you'll get a fixed quote in writing.

APIs & integrations.
Done properly.

Tell us what you need. In one call you'll know what it takes, how long, and what it costs.

1–6 weeks
typical time
In writing
scope and dates, before we start
100%
code, files and accounts are yours
APIs & integrations1–6 weeksMVP from ₹15 lakhA working demo every week.What's next for your product?Book a call