<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>APIVerve Blog</title><description>Developer insights, tutorials, and best practices for modern API development.</description><link>https://blog.apiverve.com/</link><language>en-us</language><managingEditor>blog@apiverve.com (APIVerve)</managingEditor><webMaster>blog@apiverve.com (APIVerve)</webMaster><copyright>Copyright 2026 APIVerve. All rights reserved.</copyright><image><url>https://blog.apiverve.com/images/favicon.png</url><title>APIVerve Blog</title><link>https://blog.apiverve.com</link></image><item><title>Convert Any Webpage to Markdown: Tested on 40 Sites</title><link>https://blog.apiverve.com/post/extract-clean-content-from-any-webpage/</link><guid isPermaLink="true">https://blog.apiverve.com/post/extract-clean-content-from-any-webpage/</guid><description>Turn a URL into clean Markdown for an LLM or RAG index. We ran 40 real sites through it: 35 worked, 5 refused. Node.js crawler code included.</description><pubDate>Sat, 14 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Web Scraping</category><category>Markdown</category><category>RAG</category><category>Node.js</category><author>APIVerve Team</author></item><item><title>Build a Translation App in Vue with a Translator API</title><link>https://blog.apiverve.com/post/going-multilingual-without-rebuilding/</link><guid isPermaLink="true">https://blog.apiverve.com/post/going-multilingual-without-rebuilding/</guid><description>Build a Vue 3 translator app with the APIVerve Translator API: working fetch code, auto-detection, a key-safe proxy, and a full GitHub repo. Start free.</description><pubDate>Fri, 13 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Translation API</category><category>Vue</category><category>Internationalization</category><category>Tutorial</category><author>APIVerve Team</author></item><item><title>Business Days Between Dates in JS, With Holidays</title><link>https://blog.apiverve.com/post/business-day-calculations-are-harder-than-you-think/</link><guid isPermaLink="true">https://blog.apiverve.com/post/business-day-calculations-are-harder-than-you-think/</guid><description>Count business days between two dates in JavaScript with real public holidays. Five bugs we hit, including one in our own API, and code that avoids them.</description><pubDate>Thu, 12 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Dates</category><category>Holidays</category><category>JavaScript</category><author>APIVerve Team</author></item><item><title>7 SSL Certificate Problems That Kill Trust</title><link>https://blog.apiverve.com/post/ssl-certificate-problems-checklist/</link><guid isPermaLink="true">https://blog.apiverve.com/post/ssl-certificate-problems-checklist/</guid><description>Expired certs, mismatched domains, weak encryption. A practical checklist for catching SSL issues before your users do.</description><pubDate>Wed, 11 Mar 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>SSL</category><category>Security</category><category>DevOps</category><category>Monitoring</category><author>APIVerve Team</author></item><item><title>Enrich CRM Records with a Company Lookup API</title><link>https://blog.apiverve.com/post/crm-data-enrichment-company-lookup/</link><guid isPermaLink="true">https://blog.apiverve.com/post/crm-data-enrichment-company-lookup/</guid><description>Enrich CRM leads with SEC company data in Node.js: match by ticker or name, map fields to CRM columns, and write an enriched CSV. Free API key.</description><pubDate>Tue, 10 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Sales</category><category>CRM</category><category>Data Enrichment</category><category>Node.js</category><author>APIVerve Team</author></item><item><title>Generate Barcodes in Node.js with an API</title><link>https://blog.apiverve.com/post/barcode-generation-tutorial/</link><guid isPermaLink="true">https://blog.apiverve.com/post/barcode-generation-tutorial/</guid><description>Generate Code 128 and Code 39 barcodes in Node.js with one POST request. Working Express code, real API responses, and a GitHub repo you can clone.</description><pubDate>Mon, 09 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Barcodes</category><category>Node.js</category><category>JavaScript</category><category>Inventory</category><author>APIVerve Team</author></item><item><title>Summarize Text with an API in Python</title><link>https://blog.apiverve.com/post/text-summarization-api-tutorial/</link><guid isPermaLink="true">https://blog.apiverve.com/post/text-summarization-api-tutorial/</guid><description>How to summarize text with a text summarization API: a curl request, then a Python script that summarizes support tickets to JSON and CSV. Try it free.</description><pubDate>Sun, 08 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Text Summarization</category><category>Python</category><category>Text Processing</category><category>Sentiment Analysis</category><author>APIVerve Team</author></item><item><title>Generate a PDF from HTML in Node.js: What Works</title><link>https://blog.apiverve.com/post/html-to-pdf-generation-tutorial/</link><guid isPermaLink="true">https://blog.apiverve.com/post/html-to-pdf-generation-tutorial/</guid><description>HTML to PDF in Node.js with a working invoice example. We tested page breaks, repeated headers, web fonts, page numbers, JavaScript and page size.</description><pubDate>Sat, 07 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>PDF Generation</category><category>Node.js</category><category>Express</category><category>Invoices</category><author>APIVerve Team</author></item><item><title>How to Detect VPN Users: Tested on 4,690 IPs</title><link>https://blog.apiverve.com/post/detect-vpn-proxy-users-tutorial/</link><guid isPermaLink="true">https://blog.apiverve.com/post/detect-vpn-proxy-users-tutorial/</guid><description>We ran Mullvad, IVPN, Tor and 2,852 home connections through VPN, Tor and blacklist checks. What each one catches, and Node.js middleware to use them.</description><pubDate>Fri, 06 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>VPN Detection</category><category>Tor</category><category>Node.js</category><category>Fraud Prevention</category><author>APIVerve Team</author></item><item><title>Password Generator API: Secure Temp Passwords in Node</title><link>https://blog.apiverve.com/post/secure-password-generation-tutorial/</link><guid isPermaLink="true">https://blog.apiverve.com/post/secure-password-generation-tutorial/</guid><description>Generate temporary passwords with a password generator API, hash them with argon2, and check strength in Node.js. Copy-paste code inside.</description><pubDate>Thu, 05 Mar 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Security</category><category>Passwords</category><category>Node.js</category><category>Authentication</category><author>APIVerve Team</author></item><item><title>DNS Lookups: A Developer&apos;s Debugging Guide</title><link>https://blog.apiverve.com/post/dns-lookups-the-debugging-tool-you-forgot-about/</link><guid isPermaLink="true">https://blog.apiverve.com/post/dns-lookups-the-debugging-tool-you-forgot-about/</guid><description>DNS problems cause connection failures and email issues. Learn how to use DNS lookups to diagnose problems faster.</description><pubDate>Wed, 04 Mar 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>DNS</category><category>Debugging</category><category>Email Delivery</category><category>Networking</category><author>APIVerve Team</author></item><item><title>Prevent Fake Signups: What Our Gate Blocked in 30 Days</title><link>https://blog.apiverve.com/post/how-we-stopped-94-percent-of-fake-signups/</link><guid isPermaLink="true">https://blog.apiverve.com/post/how-we-stopped-94-percent-of-fake-signups/</guid><description>30 days of APIVerve signup logs: 436 accounts, 99 refusals from 36 IPs, all from one rule. The Node.js code we run and the rule we removed.</description><pubDate>Wed, 04 Mar 2026 00:00:00 GMT</pubDate><category>security</category><category>Fraud Prevention</category><category>Email Validation</category><category>IP Reputation</category><author>APIVerve Team</author></item><item><title>Currency Conversion: Handling Exchange Rates Correctly</title><link>https://blog.apiverve.com/post/currency-conversion-best-practices/</link><guid isPermaLink="true">https://blog.apiverve.com/post/currency-conversion-best-practices/</guid><description>Exchange rates change constantly. Learn how to handle currency conversion in applications with accuracy and reliability.</description><pubDate>Tue, 03 Mar 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>Currency</category><category>Exchange Rates</category><category>Fintech</category><category>International Business</category><author>APIVerve Team</author></item><item><title>API Rate Limiting Done Right: A Complete Guide</title><link>https://blog.apiverve.com/post/why-your-api-rate-limiter-makes-users-angry/</link><guid isPermaLink="true">https://blog.apiverve.com/post/why-your-api-rate-limiter-makes-users-angry/</guid><description>Learn how to design rate limits that protect your API while maintaining good developer experience.</description><pubDate>Mon, 02 Mar 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Rate Limiting</category><category>API Design</category><category>Developer Experience</category><category>API Security</category><author>APIVerve Team</author></item><item><title>WHOIS Data: Domain Intelligence for Business and Security</title><link>https://blog.apiverve.com/post/the-whois-data-goldmine-youre-ignoring/</link><guid isPermaLink="true">https://blog.apiverve.com/post/the-whois-data-goldmine-youre-ignoring/</guid><description>WHOIS data reveals domain ownership, age, and infrastructure. Use it for lead qualification, research, and fraud detection.</description><pubDate>Sun, 01 Mar 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>WHOIS</category><category>Domain Intelligence</category><category>Lead Generation</category><category>Security Research</category><author>APIVerve Team</author></item><item><title>Email Validation Regex vs Real Addresses: 18 Tests</title><link>https://blog.apiverve.com/post/why-your-email-validation-rejects-real-customers/</link><guid isPermaLink="true">https://blog.apiverve.com/post/why-your-email-validation-rejects-real-customers/</guid><description>We ran 18 addresses through three popular email regexes and our own validator. Three of the four rejected a real address, ours included.</description><pubDate>Sat, 28 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Email Validation</category><category>Signup Forms</category><category>Node.js</category><author>APIVerve Team</author></item><item><title>How Accurate Is IP Geolocation? We Tested 2,852 IPs</title><link>https://blog.apiverve.com/post/the-ip-address-that-broke-our-geofencing/</link><guid isPermaLink="true">https://blog.apiverve.com/post/the-ip-address-that-broke-our-geofencing/</guid><description>We checked 2,852 RIPE Atlas probes with known locations against our IP lookup. Country: 99.4%. Median error: 13 km. One in five off by 100 km or more.</description><pubDate>Fri, 27 Feb 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>IP Geolocation</category><category>Geofencing</category><author>APIVerve Team</author></item><item><title>The Timezone Bug That Cost Us a Client</title><link>https://blog.apiverve.com/post/the-timezone-bug-that-cost-us-a-client/</link><guid isPermaLink="true">https://blog.apiverve.com/post/the-timezone-bug-that-cost-us-a-client/</guid><description>A scheduled email went out at 3 AM instead of 9 AM. The client wasn&apos;t happy. Here&apos;s what went wrong.</description><pubDate>Thu, 26 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Timezones</category><category>Bugs</category><category>Scheduling</category><category>International</category><author>APIVerve Team</author></item><item><title>7 Content Moderation Mistakes That Sink Apps</title><link>https://blog.apiverve.com/post/7-content-moderation-mistakes/</link><guid isPermaLink="true">https://blog.apiverve.com/post/7-content-moderation-mistakes/</guid><description>Your app allows user content. Here are the moderation mistakes that get apps pulled from stores.</description><pubDate>Wed, 25 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Content Moderation</category><category>Profanity Filter</category><category>User Generated Content</category><category>App Store</category><author>APIVerve Team</author></item><item><title>Build a Currency Converter in Python with an API</title><link>https://blog.apiverve.com/post/going-global-multi-currency-apps/</link><guid isPermaLink="true">https://blog.apiverve.com/post/going-global-multi-currency-apps/</guid><description>Convert currency in Python with the Exchange Rate API: one GET request, a working CLI converter, error handling, and a repo you can clone. Free key to start.</description><pubDate>Tue, 24 Feb 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Python</category><category>Currency</category><category>Exchange Rates</category><category>Tutorial</category><author>APIVerve Team</author></item><item><title>QR Codes Are Back (And This Time It&apos;s Different)</title><link>https://blog.apiverve.com/post/qr-codes-are-back/</link><guid isPermaLink="true">https://blog.apiverve.com/post/qr-codes-are-back/</guid><description>Remember when QR codes were a punchline? Now they&apos;re everywhere. Here&apos;s why this time it stuck.</description><pubDate>Mon, 23 Feb 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>QR Codes</category><category>Mobile</category><category>Contactless</category><category>Technology Trends</category><author>APIVerve Team</author></item><item><title>What Your User Agent String Reveals</title><link>https://blog.apiverve.com/post/what-your-user-agent-string-reveals/</link><guid isPermaLink="true">https://blog.apiverve.com/post/what-your-user-agent-string-reveals/</guid><description>Every HTTP request announces who you are. Here&apos;s what&apos;s in that string and what you can do with it.</description><pubDate>Sun, 22 Feb 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>User Agent</category><category>Browser Detection</category><category>Analytics</category><category>HTTP</category><author>APIVerve Team</author></item><item><title>The Phone Number Validation Rabbit Hole</title><link>https://blog.apiverve.com/post/the-phone-number-validation-rabbit-hole/</link><guid isPermaLink="true">https://blog.apiverve.com/post/the-phone-number-validation-rabbit-hole/</guid><description>Validating phone numbers seems simple until you try it. Here&apos;s what makes it surprisingly complex.</description><pubDate>Sat, 21 Feb 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>Phone Numbers</category><category>Validation</category><category>Data Quality</category><category>International</category><author>APIVerve Team</author></item><item><title>Building Health-Conscious Apps With Air Quality Data</title><link>https://blog.apiverve.com/post/building-health-conscious-apps/</link><guid isPermaLink="true">https://blog.apiverve.com/post/building-health-conscious-apps/</guid><description>Air quality affects millions of users. Here&apos;s how to integrate environmental health data meaningfully.</description><pubDate>Fri, 20 Feb 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>Air Quality</category><category>Health</category><category>Environmental Data</category><category>Mobile Apps</category><author>APIVerve Team</author></item><item><title>Automating Visual Testing With Screenshots</title><link>https://blog.apiverve.com/post/automating-visual-testing-screenshots/</link><guid isPermaLink="true">https://blog.apiverve.com/post/automating-visual-testing-screenshots/</guid><description>Catch visual bugs before users do. Here&apos;s how to add screenshot-based testing to your workflow.</description><pubDate>Thu, 19 Feb 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Testing</category><category>Screenshots</category><category>Visual QA</category><category>Automation</category><author>APIVerve Team</author></item><item><title>Domain Expiration Was Not On Our Alerting Checklist</title><link>https://blog.apiverve.com/post/domain-expiration-was-not-on-our-alerting-checklist/</link><guid isPermaLink="true">https://blog.apiverve.com/post/domain-expiration-was-not-on-our-alerting-checklist/</guid><description>The domain expired on Saturday. By Monday, competitors bought it. Here&apos;s how to avoid this disaster.</description><pubDate>Thu, 19 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Domain Management</category><category>Infrastructure</category><category>DevOps</category><category>Monitoring</category><author>APIVerve Team</author></item><item><title>Why Your Sentiment Analysis Is Wrong</title><link>https://blog.apiverve.com/post/why-your-sentiment-analysis-is-wrong/</link><guid isPermaLink="true">https://blog.apiverve.com/post/why-your-sentiment-analysis-is-wrong/</guid><description>Sentiment analysis is powerful but often misused. Here&apos;s how to use sentiment data effectively.</description><pubDate>Tue, 17 Feb 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>Sentiment Analysis</category><category>NLP</category><category>Machine Learning</category><category>Customer Feedback</category><author>APIVerve Team</author></item><item><title>Attack Surface: The Subdomains You Forgot You Had</title><link>https://blog.apiverve.com/post/attack-surface-the-subdomains-you-forgot-you-had/</link><guid isPermaLink="true">https://blog.apiverve.com/post/attack-surface-the-subdomains-you-forgot-you-had/</guid><description>Your main site is secure, but what about staging.yourcompany.com? Here&apos;s why subdomain discovery matters.</description><pubDate>Mon, 16 Feb 2026 00:00:00 GMT</pubDate><category>security</category><category>Security</category><category>Subdomains</category><category>Attack Surface</category><category>Infrastructure</category><author>APIVerve Team</author></item><item><title>The DNS Migration Checklist Nobody Talks About</title><link>https://blog.apiverve.com/post/the-dns-migration-checklist-nobody-talks-about/</link><guid isPermaLink="true">https://blog.apiverve.com/post/the-dns-migration-checklist-nobody-talks-about/</guid><description>DNS propagation takes 24-48 hours. Except when it doesn&apos;t. Here&apos;s the zero-downtime DNS migration checklist.</description><pubDate>Sun, 15 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>DNS</category><category>Infrastructure</category><category>DevOps</category><category>Migration</category><author>APIVerve Team</author></item><item><title>Email Deliverability is Not Your Email Server&apos;s Problem</title><link>https://blog.apiverve.com/post/email-deliverability-is-not-your-email-servers-problem/</link><guid isPermaLink="true">https://blog.apiverve.com/post/email-deliverability-is-not-your-email-servers-problem/</guid><description>Your email server works perfectly but emails go to spam. Here&apos;s why IP reputation matters and how to avoid blacklists.</description><pubDate>Sat, 14 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Email Deliverability</category><category>IP Reputation</category><category>Blacklists</category><category>Infrastructure</category><author>APIVerve Team</author></item><item><title>The Developer&apos;s Guide to API Vendor Lock-In</title><link>https://blog.apiverve.com/post/developers-guide-to-api-vendor-lock-in/</link><guid isPermaLink="true">https://blog.apiverve.com/post/developers-guide-to-api-vendor-lock-in/</guid><description>Every API integration is a bet. Here&apos;s how to recognize lock-in traps before you&apos;re stuck, and how to build your way out.</description><pubDate>Fri, 13 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>API Strategy</category><category>Vendor Lock-In</category><category>Architecture</category><category>Decision Making</category><author>APIVerve Team</author></item><item><title>API Latency: Why 200ms Feels Like Forever</title><link>https://blog.apiverve.com/post/api-latency-why-200ms-feels-like-forever/</link><guid isPermaLink="true">https://blog.apiverve.com/post/api-latency-why-200ms-feels-like-forever/</guid><description>Users don&apos;t count milliseconds, but they feel them. Here&apos;s why API latency matters more than you think, and what to do about it.</description><pubDate>Thu, 12 Feb 2026 00:00:00 GMT</pubDate><category>performance</category><category>Performance</category><category>Latency</category><category>User Experience</category><category>Optimization</category><author>APIVerve Team</author></item><item><title>What Happens When Your API Provider Shuts Down</title><link>https://blog.apiverve.com/post/what-happens-when-api-provider-shuts-down/</link><guid isPermaLink="true">https://blog.apiverve.com/post/what-happens-when-api-provider-shuts-down/</guid><description>The email lands in your inbox: &apos;Service Discontinuation Notice.&apos; Now what? A guide to surviving API provider shutdowns.</description><pubDate>Wed, 11 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>API Strategy</category><category>Risk Management</category><category>Migration</category><category>Business Continuity</category><author>APIVerve Team</author></item><item><title>API Documentation: Good, Bad, and Unusable</title><link>https://blog.apiverve.com/post/api-documentation-good-bad-unusable/</link><guid isPermaLink="true">https://blog.apiverve.com/post/api-documentation-good-bad-unusable/</guid><description>You can tell everything about an API from its documentation. Here&apos;s how to read the signs before you commit to an integration.</description><pubDate>Tue, 10 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Documentation</category><category>Developer Experience</category><category>API Evaluation</category><category>Best Practices</category><author>APIVerve Team</author></item><item><title>The Hidden Cost of Free APIs</title><link>https://blog.apiverve.com/post/hidden-cost-of-free-apis/</link><guid isPermaLink="true">https://blog.apiverve.com/post/hidden-cost-of-free-apis/</guid><description>Free APIs sound great until they aren&apos;t. Here&apos;s what that $0 price tag actually costs you in reliability, support, and midnight debugging sessions.</description><pubDate>Mon, 09 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>API Strategy</category><category>Cost Analysis</category><category>Free Tier</category><category>Decision Making</category><author>APIVerve Team</author></item><item><title>429 Too Many Requests: 2 Meanings and How to Tell</title><link>https://blog.apiverve.com/post/api-rate-limits-explained/</link><guid isPermaLink="true">https://blog.apiverve.com/post/api-rate-limits-explained/</guid><description>A 429 means slow down, or on many APIs, out of quota. How to tell them apart, a Node.js pacer that avoids them, and why rate limits are never exact.</description><pubDate>Thu, 05 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Rate Limiting</category><category>HTTP 429</category><category>Node.js</category><author>APIVerve Team</author></item><item><title>Why Your API Integration Keeps Breaking</title><link>https://blog.apiverve.com/post/why-api-integrations-break/</link><guid isPermaLink="true">https://blog.apiverve.com/post/why-api-integrations-break/</guid><description>APIs break in production. Here&apos;s why it happens and how to build integrations that survive the real world.</description><pubDate>Tue, 03 Feb 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Debugging</category><category>API Integration</category><category>Reliability</category><category>Error Handling</category><category>Production</category><author>APIVerve Team</author></item><item><title>API Security Checklist: 15 Pre-Production Checks</title><link>https://blog.apiverve.com/post/api-security-checklist-production/</link><guid isPermaLink="true">https://blog.apiverve.com/post/api-security-checklist-production/</guid><description>A no-fluff checklist of security basics to review before your API integration goes live. Print it, pin it, check it off.</description><pubDate>Sun, 01 Feb 2026 00:00:00 GMT</pubDate><category>security</category><category>Security</category><category>Checklist</category><category>Production</category><category>Best Practices</category><category>API Keys</category><author>APIVerve Team</author></item><item><title>Build vs Buy: When to Use an API Instead</title><link>https://blog.apiverve.com/post/build-vs-buy-api-integrations/</link><guid isPermaLink="true">https://blog.apiverve.com/post/build-vs-buy-api-integrations/</guid><description>You could build it yourself. But should you? Here&apos;s how to decide when an API makes sense and when rolling your own is the right call.</description><pubDate>Sat, 31 Jan 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Decision Making</category><category>Build vs Buy</category><category>API Strategy</category><category>Development</category><category>Startups</category><author>APIVerve Team</author></item><item><title>Choosing an API Provider: What Actually Matters</title><link>https://blog.apiverve.com/post/choosing-api-provider-guide/</link><guid isPermaLink="true">https://blog.apiverve.com/post/choosing-api-provider-guide/</guid><description>Not all API providers are equal. Here&apos;s how to evaluate them before you&apos;re locked in and regretting it.</description><pubDate>Wed, 28 Jan 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>API Providers</category><category>Vendor Selection</category><category>API Marketplace</category><category>Decision Making</category><category>SaaS</category><author>APIVerve Team</author></item><item><title>IP Fraud Detection: VPNs, Tor, and Blacklists</title><link>https://blog.apiverve.com/post/fraud-detection-ip-intelligence/</link><guid isPermaLink="true">https://blog.apiverve.com/post/fraud-detection-ip-intelligence/</guid><description>Build an IP-based fraud scoring system. Detect VPNs, Tor exit nodes, and blacklisted IPs before they cost you money.</description><pubDate>Thu, 22 Jan 2026 00:00:00 GMT</pubDate><category>security</category><category>Fraud Detection</category><category>Security</category><category>IP Intelligence</category><category>VPN Detection</category><author>APIVerve Team</author></item><item><title>PDF Generation API: Invoices, Reports, Documents</title><link>https://blog.apiverve.com/post/pdf-generation-api-guide/</link><guid isPermaLink="true">https://blog.apiverve.com/post/pdf-generation-api-guide/</guid><description>Generate PDFs from HTML or Markdown. Perfect for invoices, receipts, reports, and any document you need to create programmatically.</description><pubDate>Tue, 20 Jan 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>PDF</category><category>Document Generation</category><category>Invoices</category><category>JavaScript</category><author>APIVerve Team</author></item><item><title>QR Codes: More Useful Than You Think</title><link>https://blog.apiverve.com/post/qr-code-api-guide/</link><guid isPermaLink="true">https://blog.apiverve.com/post/qr-code-api-guide/</guid><description>URLs, WiFi passwords, contact cards, payment links—QR codes do more than you&apos;d expect. Here&apos;s how to generate and read them programmatically.</description><pubDate>Sat, 17 Jan 2026 00:00:00 GMT</pubDate><category>api-guides</category><category>QR Code</category><category>Utilities</category><category>JavaScript</category><category>Menus</category><author>APIVerve Team</author></item><item><title>KYC Verification API: Automate Identity Checks</title><link>https://blog.apiverve.com/post/kyc-verification-api-guide/</link><guid isPermaLink="true">https://blog.apiverve.com/post/kyc-verification-api-guide/</guid><description>Build automated KYC checks with email validation, phone verification, IP geolocation, and BIN lookup. Here&apos;s the complete implementation.</description><pubDate>Tue, 13 Jan 2026 00:00:00 GMT</pubDate><category>case-studies</category><category>KYC</category><category>Fintech</category><category>Fraud Prevention</category><category>Identity Verification</category><author>APIVerve Team</author></item><item><title>API Authentication Best Practices in 2026</title><link>https://blog.apiverve.com/post/api-authentication-best-practices/</link><guid isPermaLink="true">https://blog.apiverve.com/post/api-authentication-best-practices/</guid><description>Stop overthinking auth. API keys for servers, OAuth for users, JWTs for stateless. Here&apos;s what actually matters.</description><pubDate>Sat, 10 Jan 2026 00:00:00 GMT</pubDate><category>security</category><category>Authentication</category><category>Security</category><category>OAuth</category><category>JWT</category><category>API Keys</category><author>APIVerve Team</author></item><item><title>Python API Tutorial: Your First APIVerve Call</title><link>https://blog.apiverve.com/post/python-apiverve-quickstart/</link><guid isPermaLink="true">https://blog.apiverve.com/post/python-apiverve-quickstart/</guid><description>10 lines of Python. That&apos;s all it takes to call 300+ APIs. Here&apos;s the complete quickstart for Python developers.</description><pubDate>Tue, 06 Jan 2026 00:00:00 GMT</pubDate><category>tutorials</category><category>Python</category><category>Quickstart</category><category>Beginner</category><category>requests</category><author>APIVerve Team</author></item><item><title>Scalable API Architecture: Monolith to Microservices</title><link>https://blog.apiverve.com/post/building-scalable-api-architecture/</link><guid isPermaLink="true">https://blog.apiverve.com/post/building-scalable-api-architecture/</guid><description>Learn how to design and build API architectures that scale with your business, from initial setup to handling millions of requests.</description><pubDate>Mon, 05 Jan 2026 00:00:00 GMT</pubDate><category>best-practices</category><category>Architecture</category><category>Microservices</category><category>Scalability</category><category>Performance</category><category>Design Patterns</category><author>APIVerve Team</author></item><item><title>API Caching: The Cheapest Performance Win</title><link>https://blog.apiverve.com/post/api-caching-strategies/</link><guid isPermaLink="true">https://blog.apiverve.com/post/api-caching-strategies/</guid><description>Every duplicate API call is wasted money. Here&apos;s how to cache responses properly—and when not to.</description><pubDate>Tue, 30 Dec 2025 00:00:00 GMT</pubDate><category>best-practices</category><category>Caching</category><category>Performance</category><category>Cost Optimization</category><category>JavaScript</category><author>APIVerve Team</author></item><item><title>Retry With Exponential Backoff: 7 Errors, 2 Retries</title><link>https://blog.apiverve.com/post/api-error-handling-patterns/</link><guid isPermaLink="true">https://blog.apiverve.com/post/api-error-handling-patterns/</guid><description>Which API errors are worth retrying? We ran a Node.js retry client against seven failures and it retried two. The code, and the bugs that shaped it.</description><pubDate>Tue, 23 Dec 2025 00:00:00 GMT</pubDate><category>best-practices</category><category>Error Handling</category><category>Retries</category><category>Node.js</category><author>APIVerve Team</author></item><item><title>REST vs GraphQL: Which Should You Use?</title><link>https://blog.apiverve.com/post/rest-vs-graphql-apiverve/</link><guid isPermaLink="true">https://blog.apiverve.com/post/rest-vs-graphql-apiverve/</guid><description>Skip the theory. Here&apos;s when to use REST endpoints and when GraphQL actually makes sense.</description><pubDate>Tue, 16 Dec 2025 00:00:00 GMT</pubDate><category>api-guides</category><category>GraphQL</category><category>REST API</category><category>Architecture</category><category>Performance</category><author>APIVerve Team</author></item><item><title>Add Daily Horoscopes to Your App in 5 Minutes</title><link>https://blog.apiverve.com/post/add-horoscope-to-your-app/</link><guid isPermaLink="true">https://blog.apiverve.com/post/add-horoscope-to-your-app/</guid><description>Build a horoscope feature your users will actually check daily. Working code included.</description><pubDate>Mon, 15 Dec 2025 00:00:00 GMT</pubDate><category>tutorials</category><category>Horoscope API</category><category>Astrology</category><category>User Engagement</category><category>JavaScript</category><category>React</category><author>APIVerve Team</author></item><item><title>Build a Lead Enrichment Pipeline That Actually Works</title><link>https://blog.apiverve.com/post/lead-enrichment-pipeline-apiverve/</link><guid isPermaLink="true">https://blog.apiverve.com/post/lead-enrichment-pipeline-apiverve/</guid><description>Turn email addresses into full customer profiles. Location, company, social links—automatically. Here&apos;s how to build it.</description><pubDate>Tue, 09 Dec 2025 00:00:00 GMT</pubDate><category>case-studies</category><category>Lead Enrichment</category><category>Sales Automation</category><category>B2B</category><category>Data Quality</category><author>APIVerve Team</author></item><item><title>Email Validation That Actually Works</title><link>https://blog.apiverve.com/post/email-validation-api-guide/</link><guid isPermaLink="true">https://blog.apiverve.com/post/email-validation-api-guide/</guid><description>That regex you found on Stack Overflow is wrong. Here&apos;s how to validate emails properly—and why it matters more than you think.</description><pubDate>Tue, 02 Dec 2025 00:00:00 GMT</pubDate><category>tutorials</category><category>Email Validation</category><category>Data Quality</category><category>JavaScript</category><category>Signup Forms</category><author>APIVerve Team</author></item><item><title>Multi-Currency E-commerce: Stop Losing Sales</title><link>https://blog.apiverve.com/post/multi-currency-ecommerce-api/</link><guid isPermaLink="true">https://blog.apiverve.com/post/multi-currency-ecommerce-api/</guid><description>Showing prices in local currency increases conversions 20-40%. Here&apos;s how to implement multi-currency pricing that actually works.</description><pubDate>Tue, 25 Nov 2025 00:00:00 GMT</pubDate><category>case-studies</category><category>E-commerce</category><category>Currency</category><category>Internationalization</category><category>JavaScript</category><author>APIVerve Team</author></item><item><title>Sentiment Analysis: Read Customer Feedback at Scale</title><link>https://blog.apiverve.com/post/sentiment-analysis-customer-feedback/</link><guid isPermaLink="true">https://blog.apiverve.com/post/sentiment-analysis-customer-feedback/</guid><description>Process thousands of reviews, support tickets, and social mentions automatically. Find the signal in the noise.</description><pubDate>Tue, 18 Nov 2025 00:00:00 GMT</pubDate><category>case-studies</category><category>Sentiment Analysis</category><category>Customer Feedback</category><category>NLP</category><category>Support</category><author>APIVerve Team</author></item><item><title>Weather APIs: Build a Dashboard That&apos;s Actually Useful</title><link>https://blog.apiverve.com/post/weather-api-dashboard-guide/</link><guid isPermaLink="true">https://blog.apiverve.com/post/weather-api-dashboard-guide/</guid><description>Current conditions, forecasts, air quality, sunrise times—here&apos;s how to build a weather dashboard users will love.</description><pubDate>Tue, 11 Nov 2025 00:00:00 GMT</pubDate><category>tutorials</category><category>Weather</category><category>Dashboard</category><category>JavaScript</category><category>API Integration</category><author>APIVerve Team</author></item><item><title>Content Moderation: Protect Your Platform From UGC</title><link>https://blog.apiverve.com/post/content-moderation-api-ugc/</link><guid isPermaLink="true">https://blog.apiverve.com/post/content-moderation-api-ugc/</guid><description>User-generated content is a liability until it&apos;s moderated. NSFW detection, profanity filtering, spam detection—here&apos;s how to automate it.</description><pubDate>Tue, 04 Nov 2025 00:00:00 GMT</pubDate><category>security</category><category>Content Moderation</category><category>NSFW Detection</category><category>UGC</category><category>Safety</category><author>APIVerve Team</author></item><item><title>Location APIs: Distance, Geocoding, and Timezones</title><link>https://blog.apiverve.com/post/location-distance-api-guide/</link><guid isPermaLink="true">https://blog.apiverve.com/post/location-distance-api-guide/</guid><description>Build location-aware features without Google Maps pricing. Distance calculations, address lookup, timezone handling—all from one API.</description><pubDate>Tue, 28 Oct 2025 00:00:00 GMT</pubDate><category>tutorials</category><category>Location</category><category>Geocoding</category><category>Distance</category><category>Timezone</category><author>APIVerve Team</author></item><item><title>Real-Time APIs: WebSockets vs Server-Sent Events</title><link>https://blog.apiverve.com/post/real-time-apis-websockets-server-sent-events/</link><guid isPermaLink="true">https://blog.apiverve.com/post/real-time-apis-websockets-server-sent-events/</guid><description>Compare WebSockets and Server-Sent Events for real-time data. Learn when to use each and how to implement them.</description><pubDate>Wed, 22 Oct 2025 00:00:00 GMT</pubDate><category>api-guides</category><category>WebSockets</category><category>Server-Sent Events</category><category>Real-Time</category><category>Architecture</category><author>APIVerve Team</author></item><item><title>Building REST APIs with Node.js and Express</title><link>https://blog.apiverve.com/post/building-scalable-rest-apis-with-nodejs-and-express-test/</link><guid isPermaLink="true">https://blog.apiverve.com/post/building-scalable-rest-apis-with-nodejs-and-express-test/</guid><description>Step-by-step guide to building production-ready REST APIs with Node.js and Express. Routing, middleware, error handling.</description><pubDate>Wed, 08 Oct 2025 00:00:00 GMT</pubDate><category>tutorials</category><category>Node.js</category><category>Express</category><category>REST API</category><category>Backend</category><author>APIVerve Team</author></item><item><title>Complete Guide to API Testing with Postman</title><link>https://blog.apiverve.com/post/complete-guide-api-testing-postman/</link><guid isPermaLink="true">https://blog.apiverve.com/post/complete-guide-api-testing-postman/</guid><description>Master API testing with Postman. 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Real code examples for Slack bots, Discord bots, and loading screens.</description><pubDate>Mon, 15 Sep 2025 00:00:00 GMT</pubDate><category>tutorials</category><category>Fun APIs</category><category>Jokes</category><category>Beginner</category><category>JavaScript</category><author>APIVerve Team</author></item><item><title>Geocoding API Guide: Convert Addresses to Coordinates</title><link>https://blog.apiverve.com/post/geocoding-api-guide-convert-coordinates/</link><guid isPermaLink="true">https://blog.apiverve.com/post/geocoding-api-guide-convert-coordinates/</guid><description>Learn how to convert addresses to coordinates and vice versa using geocoding APIs. Practical examples and best practices.</description><pubDate>Thu, 28 Aug 2025 00:00:00 GMT</pubDate><category>api-guides</category><category>Geocoding</category><category>Maps</category><category>Location</category><category>Coordinates</category><author>APIVerve Team</author></item><item><title>REST APIs: What They Are and How to Use Them</title><link>https://blog.apiverve.com/post/getting-started-with-rest-apis/</link><guid isPermaLink="true">https://blog.apiverve.com/post/getting-started-with-rest-apis/</guid><description>A no-nonsense guide to REST APIs. Learn HTTP methods, make real requests, and stop being confused by API documentation.</description><pubDate>Tue, 12 Aug 2025 00:00:00 GMT</pubDate><category>tutorials</category><category>REST API</category><category>HTTP</category><category>Web Development</category><category>Beginners</category><author>APIVerve Team</author></item><item><title>Token-Based API Billing: How It Works</title><link>https://blog.apiverve.com/post/token-based-api-billing/</link><guid isPermaLink="true">https://blog.apiverve.com/post/token-based-api-billing/</guid><description>Understand how token-based billing works for APIs. Learn credits, usage tracking, and how to optimize your API costs.</description><pubDate>Fri, 18 Jul 2025 00:00:00 GMT</pubDate><category>api-guides</category><category>API Billing</category><category>Pricing</category><category>API Credits</category><category>Cost Management</category><author>APIVerve Team</author></item></channel></rss>