What can be included
- REST/GraphQL API integration
- Payment and messaging integrations
- CRM/ERP/webhook connections
- Data sync and scheduled jobs
- Error handling, logs and retries
Pricing note: Displayed ranges are indicative planning figures. Setup / implementation and recurring provider charges are separated in the written quote; final commercial terms are confirmed in writing.
API & System Integration
Connect websites, apps, CRMs, payments and business tools so data moves without manual re-entry.
₹55,440 – ₹8,91,000+
Pricing note: Displayed ranges are indicative planning figures. Setup / implementation and recurring provider charges are separated in the written quote; final commercial terms are confirmed in writing.
What you receive
- Integration code
- Environment/configuration guide
- Test evidence
- Failure/retry handling notes
Best fit: businesses that already use multiple tools and want them to exchange data reliably.
Delivery process
01Integration mapping
02Authentication/data contract review
03Build and sandbox testing
04Production rollout and monitoring checks
Secure API integration between the systems you already run
Integrations fail quietly: a webhook is missed, a request is repeated, a token expires. KK Cyber builds integrations with authentication, retries, idempotency and monitoring so failures are visible and records are not duplicated.
Typical uses
- CRM, ERP and accounting synchronization
- Payment, messaging and shipping provider integrations
- Public or partner APIs with keys, quotas and documentation
- Webhook receivers with signature checking
How delivery works
Interface inventory, data mapping, authentication design, build with retries and idempotent writes, contract tests, monitoring and API documentation.
Working with international teams. Integrations to overseas providers need attention to rate limits, data location and time zones. These are documented in the design.
Prices on this site start from INR figures and can be viewed in another currency on the home page. All figures are indicative, and a written quotation confirms scope, taxes and invoice currency.
Buyer guides: API Integration Checklist for Businesses
Frequently asked questions
How much does api & system integration cost?
KK Cyber publishes an indicative planning range of ₹55,440 – ₹8,91,000. The binding quote depends on scope, integrations, content/data readiness, testing and deadline, and is confirmed in writing before work starts.
Are planning prices final?
No. Published figures are indicative. The final price, scope, taxes and any recurring provider costs are confirmed in a written quotation.
Where do you deliver?
KK Cyber is based in Punjab, India, and delivers remotely to clients in India and other countries using video calls, written documents, shared boards and agreed overlap hours.
How do you prevent duplicate records?
Each write carries an idempotency key or natural unique key, so a retried request does not create a second record.
How are secrets handled?
Credentials stay in server-side environment settings, never in public code or logs.
Can you integrate with a legacy system?
Often yes, through files, database access or a small adapter. We assess feasibility first.
Will you document the API?
Yes. Endpoints, authentication, errors and examples are handed over.
Next step
Send the scope. Get the written number.
No work starts until scope, timeline and final pricing are agreed.
Related services
Secure API integrations: what businesses should require
An API integration is not complete when two endpoints exchange sample data. It must also handle identity, changing schemas, retries, quotas and operational failures.
What a practical first engagement includes
- Confirm both providers support the required access scope and document credentials ownership, data mappings and contractual limits.
- Build encrypted transport, least-privilege authorization, input validation, idempotent write operations and clear retry limits.
- Test permission failures, expired tokens, rate limiting, version changes and monitoring alerts before release.
Procurement and security questions
Confirm whether access is through official supported APIs, who rotates secrets, what happens when providers are unavailable and how failures are reconciled.
What changes the project budget?
The largest variables are vendor API quality, data transformations, legacy compatibility, error recovery, monitoring and security acceptance.
Why does an API integration need ongoing maintenance?
Providers update API versions, authentication policies and data shapes. Monitoring and an owner-approved maintenance plan reduce unexpected failures.
Scope and pricing require a human-reviewed quotation; this page is technical guidance, not a guaranteed implementation offer.