# keplars.com > AI-optimized mirror of keplars.com containing 32 pages totalling 14,325 words of clean markdown content, structured data, and semantic HTML. Original source: https://keplars.com/. Last updated: 2026-05-01T01:59:34.596Z. Each page is available as HTML (with JSON-LD structured data) and Markdown (text-only, ideal for LLMs and RAG). ## Homepage - [New Feature: Our Unified Email Editor is now Live](/site-root.html): Email infrastructure for modern product teams. Transactional & marketing emails with full delivery visibility, sandbox testing, and seamless scale. Under 5 clicks. Free plan. (2,741 words) ## Articles & Blog Posts - [blog/stop-rebuilding-contact-forms-nextjs/index.html](/blog/stop-rebuilding-contact-forms-nextjs/index.html) (1 words) - [pricing/index.html](/pricing/index.html) (1 words) - [blog/index.html](/blog/index.html) (1 words) - [Transactional Email Infrastructure Setup Under 5 Clicks](/transactional-emails/index.html): Send OTPs, password resets, receipts, and system alerts with 99.77% inbox delivery — no SMTP setup, no DNS headaches. Developer-first transactional email API powered by Gmail and Google Workspace. (321 words) - [Sending Transactional Emails Shouldn't Feel Like Rocket Science.](/about/index.html): Keplars was built by developers frustrated with SMTP setup. Our mission: make sending transactional emails as simple as a REST API call. Based in the US. Trusted by 5,000+ developers. (1,315 words) - [New Feature: Our Unified Email Editor is now Live](/vs/sendgrid/index.html): Keplars vs SendGrid — a side-by-side comparison of setup time, pricing, deliverability, and developer experience for transactional email. See why teams switch to Keplars. (284 words) - [Marketing Emails Built for Real Engagement](/marketing-emails/index.html): Send newsletters, promotions, and re-engagement campaigns with audience segmentation, AI-powered templates, and real-time analytics — all in one platform without switching tools. (469 words) - [Launching an MVP: What to Build, What to Skip, and How Transactional Email Should Actually Be Handled](/blog/launching-an-mvp-what-to-build-what-to-skip/index.html): Building an MVP? Transactional email is critical but managing email infrastructure isn't. Learn why Keplars helps fast-m... (550 words) - [Building Spam Protection into Transactional Email](/blog/building-spam-protection-into-transactional-email/index.html): Keplars takes a layered approach to email security — combining content filtering, domain reputation monitoring, behavior... (581 words) - [Why Transactional Email Latency Matters: The Architecture Behind Sub-Second Delivery](/blog/why-transactional-email-latency-matters/index.html): Transactional email latency directly impacts user experience. Learn how Keplars uses warm SMTP connections, priority que... (628 words) - [New Feature: Our Unified Email Editor is now Live](/vs/resend/index.html): Keplars vs Resend — compare OAuth email support, pricing flexibility, AI templates, and inbox placement. Which email API is right for your stack? (277 words) - [Introducing Multi-Region Email Sending in Keplars](/blog/multi-region-email-sending/index.html): Keplars now supports multi-region email sending with regions in Singapore, Cape Town, and North Virginia, improving late... (379 words) - [sitemap-xml.html](/sitemap-xml.html) (108 words) - [New Feature: Our Unified Email Editor is now Live](/vs/postmark/index.html): Keplars vs Postmark — no-config transactional email vs Postmark's domain-required setup. Compare pricing, features, and deliverability. (274 words) - [Keplars Is Now Available on the Vercel Marketplace](/blog/keplars-vercel-marketplace-email-infrastructure/index.html): Keplars is now available on the Vercel Marketplace. Send transactional and marketing emails from Vercel apps with OAuth... (297 words) - [New Feature: Our Unified Email Editor is now Live](/status/index.html): Real-time status and uptime monitoring for Keplars MailService platform and API endpoints., (410 words) - [Moving to a Semi-Microservices Architecture](/blog/moving-to-a-semi-microservices-architecture/index.html): Keplars migrated from a monolithic app to a selective semi-microservices architecture for better fault isolation, indepe... (389 words) - [New Feature: Our Unified Email Editor is now Live](/faq/index.html): Find answers to the most common questions about Keplars Mail Service — billing, deliverability, integrations, security, and more. (705 words) - [Why We're Moving from Redis to Valkey at Keplars](/blog/moving-from-redis-to-valkey-at-keplars/index.html): Keplars is moving from Redis to Valkey for multi-threaded performance, better memory efficiency, BSD 3-Clause licensing,... (486 words) - [New Feature: Our Unified Email Editor is now Live](/blog/introducing-an-api-gateway/index.html): Keplars integrated Apache APISIX as its central API gateway for request routing, rate limiting, and security. Here's why... (415 words) - [Privacy Policy](/privacypolicy/index.html): Learn how Keplars Mail Service collects, stores, and uses your data. Our privacy policy explains your rights and our data practices. (437 words) - [Cancellation Policy](/refundpolicy/index.html): Keplars refund and cancellation policy. Learn about our billing terms and how to request a refund for the Keplars Mail Service. (567 words) - [Adding Email to Lovable Applications with Keplars](/blog/lovable-email-integration-keplars/index.html): Add email functionality to Lovable apps with Keplars. Send transactional and scheduled emails using Supabase Edge Functi... (423 words) - [Moving from JSON to gRPC for Faster Internal Communication](/blog/moving-from-json-to-grpc-for-faster-internal-communication.html): Keplars replaced JSON over REST with gRPC and Protocol Buffers for internal APIs, delivering lower latency, smaller payl... (466 words) - [Switching from NGINX to Traefik](/blog/switching-from-nginx-to-traefik/index.html): Keplars moved from NGINX to Traefik for automatic service-aware routing. Learn how Traefik eliminated manual reloads and... (390 words) - [Making Database Migrations Predictable](/blog/making-database-migrations-predictable/index.html): Keplars adopted Bytebase to bring Git-like workflows to database migrations, improving schema ownership, auditability, a... (434 words) - [Terms of Service](/termsofservice/index.html): Read the Terms of Service governing your use of the Keplars Mail Service platform, APIs, and related services. (533 words) - [New Feature: Our Unified Email Editor is now Live](/contact/index.html): Get in touch with Keplars Mail Service. Contact our team for support, questions, or to learn more about our transactional email solutions. (104 words) - [New Feature: Our Unified Email Editor is now Live](/affiliate/index.html): Join the Keplars affiliate program and earn commissions by referring developers and teams to our transactional email platform. Apply today. (167 words) - [Careers](/career/index.html): Explore career opportunities at Keplars. We're building developer-first email infrastructure and are always open to hearing from exceptional people. (83 words) - [New Feature: Our Unified Email Editor is now Live](/partners/index.html): Partner with Keplars and help your clients send reliable transactional emails without managing email infrastructure. Apply to join the Keplars partner program. (89 words) ## Resources - [Full Page Index](/index.html): Browse all cached pages with rich metadata - [About This Cache](/content/about.html): Methodology, technical details, and usage guidelines - [XML Sitemap](/content/sitemap.xml): Machine-readable sitemap for crawler discovery - [Robots.txt](/content/robots.txt): Crawler directives