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Service

API Integration

Payment gateways, CRMs, ERPs, logistics, WhatsApp and third-party APIs, integrated securely with webhooks, retries and monitoring so your data flows in real time.

Outcomes

What changes for your business

  • Single source of truth for data
  • Real-time sync between tools
  • Secure, monitored integrations

Deliverables

What you get

  • Integration architecture
  • REST / GraphQL / webhook connectors
  • Payment & CRM integrations
  • WhatsApp Business API
  • Data mapping & migration
  • Monitoring & alerting

Typical stack

  • REST
  • GraphQL
  • Webhooks
  • HubSpot
  • Zoho
  • WhatsApp Cloud API

How we work

The Gravityy process

  1. 01

    Discover

    Workshops, audits and stakeholder interviews to understand goals, users and constraints.

  2. 02

    Strategize

    Roadmap, architecture and KPIs, so every sprint ties back to a business outcome.

  3. 03

    Design

    Wireframes, prototypes and a design system, validated with real users.

  4. 04

    Build

    Typed, tested, accessible code shipped in weekly increments you can click through.

  5. 05

    Integrate

    Payments, CRM, APIs, AI and automations wired together with monitoring.

  6. 06

    Deploy

    CI/CD, security hardening and zero-downtime launches on scalable cloud.

  7. 07

    Measure

    Analytics, dashboards and reports that show exactly what's working.

  8. 08

    Scale

    Continuous CRO, new features and infrastructure that grows with you.

FAQ

API Integration FAQ

Can't find what you need? Message us on WhatsApp or book a free call.

Can you integrate legacy systems?

Yes. We build adapters for legacy databases, SOAP services and file-based exports when no modern API exists.

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