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Pvt. Ltd.

Services · Build

APIs and integrations

Connect the systems you already pay for so nobody re-types data at 6pm.

Overview

Your ERP, your CRM, your accounting package, and the warehouse scanner were never designed to talk to each other. We write the layer in between, with retries, logging, and alerts when an upstream system goes quiet.

What you get

  • REST and GraphQL APIs
  • Third-party connectors
  • Data migration and cleanup
  • Contract tests against live sandboxes

What we offer

APIs and integrations, in detail

Pick the parts you need. We scope them together, quote a fixed price, and build in two-week steps.

Accounting and ERP sync

Tally, Zoho Books, SAP Business One, and other ERPs kept in step with your own software, so entries are made once.

Payments and banking

Razorpay, PayU, Stripe, UPI collections, and bank statement reconciliation.

Messaging

WhatsApp Business API, SMS, and email for order updates, reminders, and alerts.

Government and compliance

GST e-invoicing, e-way bills, and other portal integrations through approved providers.

APIs for your partners

Documented, versioned APIs with keys and rate limits, so dealers and customers can connect their own systems.

Data migration

Moving years of records out of old systems, cleaning duplicates, and checking totals with you before cutover.

Where it fits

Typical projects

  • Online orders flowing straight into Tally with GST invoices
  • A CRM and an ERP that finally agree on customer balances
  • WhatsApp order confirmations and payment reminders
  • A partner API for distributors to check stock and place orders

Technology

What we use

Well-supported tools with a long runway, chosen for the project rather than for novelty.

  • Node.js
  • .NET
  • Python
  • REST
  • GraphQL
  • Webhooks
  • RabbitMQ
  • n8n
Our full technology stack

Where AI fits in

Integrations are where AI agents earn their keep: reading orders from emails and WhatsApp messages, mapping them to your item codes, and posting them into the ERP for a person to approve.

How we approach AI

How it works

From first call to production

Every engagement follows the same shape, so you always know what happens next and what you will see.

  1. 01 · Week 1

    Scope

    We sit with the people who will use the thing. You get a written scope, a fixed estimate, and an honest note about what we would cut first.

  2. 02 · Weeks 2 to 10

    Build

    Two-week iterations against a shared board. You see working software every fortnight, not a status deck.

  3. 03 · Launch week

    Launch

    Staged rollout, real monitoring, and a rehearsed way back. We stay on the call until the graphs go flat.

  4. 04 · Ongoing

    Run

    Patching, alerts, and a monthly review of cost and reliability. Leave with your code and your documentation whenever you want.

Questions

Frequently asked questions

What if one of the systems has no API?

There is usually another way in: file exports, a database view, an email inbox, or a supported plug-in. We find the most reliable option and tell you its limits.

What happens when an integration fails?

Every integration we build retries automatically, logs every message, and alerts a person when something stays stuck, so failures are noticed the same day.

Do you integrate with Tally?

Yes. Tally integration is one of the most common pieces of work we do for Indian businesses.

Have a project like this in mind?

Send a paragraph about what you need. An engineer replies within one working day, and you get a written scope with a fixed price within a week.