Branchnode Technology
ENعربي
← All Services

APIs & Integrations That Connect Everything You Run

Custom APIs, webhooks, and third-party integrations that make your systems work as one instead of as silos.

Every tool your business runs holds part of the picture: the CRM has your customers, the store has your orders, the accounting software has your money, and none of them talk to each other. So your team copies data between tabs, reports never match, and things fall through the cracks. We build the connective tissue: custom APIs that expose your data cleanly, integrations that sync systems in real time, and automations that move information the moment it changes, so the work happens without anyone touching a spreadsheet.

Start a Project

What We Do

Custom API Development

We design and build APIs that let your systems, partners, and apps exchange data reliably. Whether you need a REST or GraphQL API to power a mobile app, expose your data to a customer portal, or give a partner controlled access to your platform, we build it with proper authentication, versioning, rate limiting, and documentation. The result is an interface your own team and outside developers can build on for years without guesswork.

Third-Party Integrations

Most of the software you already pay for has an API; the problem is making it work together. We connect the tools you run every day: CRMs like HubSpot and Salesforce, payment processors like Stripe, accounting systems like QuickBooks, e-commerce platforms, booking systems, shipping carriers, and messaging channels. We handle the authentication, data mapping, and edge cases so a new order, lead, or payment flows everywhere it needs to, automatically.

Webhooks & Real-Time Automation

Polling for changes is slow and wasteful. We wire up webhooks and event-driven automations so your systems react the instant something happens: a form submission creates a CRM record, a paid invoice updates inventory, a new signup triggers an onboarding sequence. We build the middleware and queues that keep these flows reliable even when a third-party service is slow or briefly goes down.

Our Approach

01

Map the Systems First

Before we write code, we map every system that holds data, what it stores, and where information needs to flow. This surfaces the duplicate data entry and broken handoffs that are actually costing you time, so we connect the things that matter most first.

02

Build for Failure

Integrations break when a token expires, an API changes, or a service times out. We build retries, idempotency, and clear error handling from the start so a hiccup in one system never silently corrupts your data or stops the flow.

03

Secure by Default

Connecting systems means handling credentials and customer data. We use scoped API keys, OAuth where it fits, encrypted secrets, and least-privilege access so every integration is locked down rather than a new way in.

04

Documented & Maintainable

We document every endpoint, mapping, and automation so the integration is something your team understands and can extend, not a black box that only the original developer can touch.

What You Get

Deliverables

  • Custom REST & GraphQL API development
  • Third-party SaaS integrations (CRM, payments, accounting, e-commerce)
  • Webhook & event-driven automation
  • Middleware, API gateways & data sync
  • Authentication, rate limiting & API security
  • API documentation & developer handoff

Technologies

RESTGraphQLWebhooksOAuthNode.jsPython

Frequently Asked Questions

What is an API integration, in plain terms?
It is a connection that lets two systems share data automatically. Instead of someone exporting a spreadsheet from one tool and importing it into another, the integration moves that information the moment it changes, so both systems always agree.
Can you connect the specific tools we already use?
Almost always. CRMs like HubSpot and Salesforce, Stripe, QuickBooks, Shopify, booking and shipping systems, and most modern SaaS tools expose an API. If a tool has one, we can connect it; if it does not, we can often integrate through a file feed, database, or automation layer.
Do we need a custom API, or just an integration?
An integration connects existing tools. A custom API is something we build so your own app, a customer portal, or an outside partner can access your data in a controlled way. Many projects need both, and we will tell you which one your situation actually calls for.
What is a webhook and why does it matter?
A webhook is a way for one system to notify another the instant something happens, like a payment clearing or a form being submitted. It replaces slow, repeated 'has anything changed?' checks with real-time updates, which makes automations faster and cheaper to run.
How do you keep our data and credentials secure?
We use scoped API keys and OAuth, store secrets encrypted, and grant each integration the least access it needs to do its job. Sensitive flows are logged and monitored so you can see exactly what moved where.
What happens when a third-party API changes or goes down?
We build integrations to expect failure: retries, queues, and idempotency so a temporary outage does not lose or duplicate data. When a provider changes their API, the documented, modular way we build makes the fix contained rather than a rewrite.
Can you integrate AI and automation into these flows?
Yes. APIs and integrations are the foundation our AI and agentic work runs on. We connect language models, chatbots, and autonomous agents to your live systems so they can read real data and take real actions, not just answer questions.
How much does an API integration project cost?
It depends on how many systems are involved and how clean their APIs are. A single well-documented integration is a small, fast project; connecting several systems with custom logic and a new API is larger. We scope every engagement up front and give you a fixed estimate.
Do you build API integrations for businesses outside Houston?
Yes. We're based in Houston, Texas and build APIs and integrations for clients across Texas, the wider U.S., and internationally. The work is delivered remotely end to end, so your location is never a constraint: we connect your systems wherever your business and your tools live.

Ready to Build Something Great?

Tell us about your project and we'll get back to you within 24 hours.

Get a Free Consultation