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What We Learned Building Integrations for 2 Years
Explore the key lessons in integration building and maintenance from Integuru
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Richard Zhang·
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What Is an Unofficial API?
An unofficial API is the set of private HTTP endpoints a web platform uses internally to power its own frontend. Developers can call these endpoints directly to get structured data and automate workflows, even when no official API exists.
Richard Zhang·
Puppeteer vs. Direct HTTP: Why Integrations Break in Production
When Puppeteer breaks at 2am because a target site shipped a new checkout flow, the problem isn't your selector - it's the architecture. Direct HTTP integrations skip the DOM entirely, eliminating the root causes of browser automation flakiness in prod...
Richard Zhang·
Build vs. Buy: A Framework for the In-House Integration Decision
Building a web integration in-house takes 1–3 weeks per platform. Keeping it working takes 3–5× that every year. A practical framework for deciding when to build in-house and when to use a managed solution like Integuru.
Richard Zhang·
Integuru vs. Selenium for Web Integrations: A Developer's Comparison
Selenium WebDriver automates browsers for testing your own apps. Integuru generates direct HTTP integrations for third-party platforms. For production integrations, the architectural choice between these two determines how often selectors break, how fa...
Richard Zhang·
Integuru vs. Puppeteer: Which Is Right for Production Integrations?
Puppeteer controls a headless browser. Integuru calls backend endpoints directly over HTTP. For production integrations with third-party platforms, the architecture is the decision. A fair comparison of both tools across latency, reliability, scale, an...
Richard Zhang·
How to Reverse-Engineer a Website's Private API: A Developer's Guide
Every modern web app has an internal API. The frontend is just a client that calls it. This guide walks through capturing XHR requests in Chrome DevTools, identifying auth patterns, and replaying calls with curl, plus what it takes to maintain that pro...
Richard Zhang·
What Is API Generation? How APIs Get Built for Any Platform
API generation creates programmatic access to web platforms that have no public API, by reverse-engineering the private HTTP endpoints the platform's own frontend calls. The result is a documented, stable API you can call like any REST endpoint.
Richard Zhang·
Build vs. Buy: The Real Cost of Maintaining Custom Web Scrapers
A fintech team built three Puppeteer integrations in Q1. By Q3, they'd spent 40 hours fixing broken scrapers, one engineer's full sprint. Here's the real math behind custom web scraper maintenance, and a framework for deciding when to stop absorbing th...
Richard Zhang·
How AI Agents Access Web Platforms Without an Official API
AI agents have hard latency requirements: a tool call inside a live conversation must complete in 2–5 seconds. Browser-based tools fail that bar by a factor of 5–10x. This post explains why browser automation breaks at agent scale and how direct HTTP i...
Richard Zhang·
Browser Automation vs. Direct HTTP: A Reliability and Speed Comparison
Browser automation averages 30 seconds to 5 minutes per action and breaks on every UI change. Direct HTTP integration completes in 1–5 seconds and targets stable backend endpoints. A technical comparison of the two architectures for production integrat...
Richard Zhang·
RPA vs. Direct API Generation for Production Integrations
RPA was built for desktop applications, not web platforms. At production scale, browser-based bots hit throughput ceilings, 30 seconds to 5 minutes per action in latency, and constant breakage from UI changes. Direct API generation calls backend endpoi...
Richard Zhang·
Why Selenium Integrations Break When Third-Party UIs Update
Selenium locates elements by querying the DOM — a layer you don't control on third-party platforms. When those platforms redesign their UI, your selectors break. This post explains the five specific failure modes, why common fixes only delay the proble...
Richard Zhang·
How Healthcare AI Companies Integrate with EHRs That Lack Modern APIs
FHIR covers patient data. Browser automation breaks on UI updates. This guide walks through the four EHR integration approaches healthcare AI teams use in 2026, where each one fails, and how direct HTTP access gets you to production in under a day.
Richard Zhang·
Integuru vs. Playwright: When Browser Automation Isn't the Answer
Playwright is a real improvement over Puppeteer, but for third-party production integrations, it shares the same structural limits. A fair comparison of when each approach wins, and when skipping the browser entirely is the right call.
Richard Zhang·
How Fintech Startups Connect to Banking Platforms with Restrictive API Access
Plaid covers 12,000 banks for read-only data. Vendor API partnerships take 3–6 months to approve. This guide breaks down the three integration approaches fintech startups use for banking and payroll platforms, where each one falls short, and how direct...
Richard Zhang·
tips
What We Learned Building Integrations for 2 Years
Explore the key lessons in integration building and maintenance from Integuru
Richard Zhang·
customer-spotlightai-agents
Customer Spotlight: Scaling the Penciled Agent with Real-Time EHR Integrations
Explore how Penciled transformed their EHR integrations with Integuru
Richard Zhang·