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API Development & Integrations
OneNext Solutions builds custom APIs and integrations that connect your website, ecommerce store and business systems - so data flows automatically and your team stops copying it by hand.
Get In TouchDisconnected systems create manual work, errors and delays. We design and build reliable integrations between your website, CRM, ERP, payment gateways, marketing tools and internal systems, with monitoring that catches problems before they cost you.
Get In Touch
We build REST and GraphQL APIs, webhooks, scheduled sync jobs and event-driven integrations using Node.js, Python and serverless platforms, with secure authentication, retries, logging and alerting built in.
We integrate with platforms like Salesforce, HubSpot, Zoho, NetSuite, SAP Business One, Xero, QuickBooks, Stripe, Razorpay, Klaviyo and many more - and with Shopify and WordPress on the website side.
Explore APIs & IntegrationsWhat we integrate
I-Connect
We design and build secure, well-documented APIs that power mobile apps, partner integrations, headless front-ends and internal tools. Versioning, rate limiting, authentication and automated tests are included as standard.
Discuss your API
EdMission
We sync leads, customers, orders, inventory and invoices between your website and the systems that run your business, removing double entry and giving every team accurate, up-to-date data.
Talk to our team
Frizda
We integrate payment providers including Stripe, PayPal, Razorpay and regional gateways for one-off payments, subscriptions and invoicing, with secure, compliant flows and reliable webhooks.
Explore custom ecommerce
APS Three AI
From lead routing to order processing and reporting, we automate repetitive workflows with custom code or platforms like Make and Zapier where they fit, monitored so you know everything runs as expected.
Explore web appsFrom payments and checkout to shipping, reviews and WhatsApp marketing, we build reliable integrations with the tools growing brands depend on.
Our process
Which system owns which data, and when it syncs.
Endpoints, authentication and error handling.
Sandbox testing with real scenarios.
Logging, alerts and retries in production.
Understanding APIs
Every time someone copies an order, a customer record or a stock level from one system to another, it costs time and creates room for errors. Integrations let your systems talk to each other automatically.
A good integration is more than a connection - it handles failures gracefully, keeps data consistent, and is documented so it can be maintained as your tools change.
An API integration connects two or more software systems so they can share data automatically - for example sending website orders to your ERP or new leads to your CRM.
Almost any system with an API, including CRMs, ERPs, accounting software, payment gateways, marketing platforms, shipping providers and custom internal tools.
Tools like Zapier are great for simple, low-volume workflows. Custom integrations are better for high volumes, complex logic, sensitive data or when reliability is critical. We will recommend the right approach.
We build in retries, error handling, logging and alerts, and we monitor integrations so issues are caught and fixed quickly.
Yes. We provide OpenAPI documentation and developer guides so your team and partners can use the APIs easily.
We design, develop, launch, support and grow custom websites and web applications. Talk to our team about your project.
Get in touch