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API & Integration Services

Third-party integrations, payment gateways & data sync

Your data lives in too many places: the website, the accounting package, the CRM, spreadsheets and WhatsApp. We connect them with secure, well-documented APIs and integrations so information flows automatically, payments reconcile themselves and your team stops copy-pasting.

At a glance

  • UPI, cards & subscription payments
  • Tally / Zoho / CRM data sync
  • WhatsApp & SMS notifications
  • Documented, secure REST APIs
  • Webhook & retry-queue reliability

Technologies

RESTGraphQLWebhooksOAuth 2.0RazorpayStripePayUTallyZohoWhatsApp Business APIZapiern8n
Capabilities

What's included

Payment gateway integration

Razorpay, PayU, Cashfree, Stripe and PayPal, with UPI, cards, subscriptions, webhooks and automatic reconciliation.

Data syncing

Scheduled and real-time sync between ERP, accounting (Tally, Zoho Books), CRM and e-commerce platforms.

Custom REST APIs

Secure, versioned APIs with authentication, rate limiting and OpenAPI documentation for partners and mobile apps.

Messaging & notifications

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

Third-party web services

Shipping, GST e-invoicing, maps, KYC and other SaaS APIs wired into your workflows.

Monitoring & error handling

Retry queues, logging and alerting so failed syncs are caught and fixed, not silently lost.

Our approach

How a API & Integration Services project runs

  1. 1

    Assess

    Site visit or discovery call to capture requirements, constraints and budget.

  2. 2

    Plan

    Written proposal with scope, bill of materials or spec, timeline and SLA.

  3. 3

    Implement

    Installation, configuration or development by our in-house team, then testing and handover.

  4. 4

    Support

    Documentation, training and ongoing maintenance through AMC or a support retainer.

FAQ

Common questions

Can't find your answer? Ask our team.

Yes. We use Tally's XML/ODBC interfaces or connector tools to push invoices, pull ledgers and keep stock in sync with your web systems.

We regularly integrate Razorpay, PayU, Cashfree, CCAvenue, Stripe and PayPal, including subscriptions, refunds and webhook-based order confirmation.

We design integrations with queues and retries, so data is processed once the service is back, and your team is alerted if manual action is needed.

Not sure where to start? Let's map it out together.

Book a free 30-minute consultation or on-site survey. You'll get a clear, no-obligation recommendation.