# Agentic AI Labs > Agentic AI Labs (tryagentikai.com) is a founder-led agency that builds done-for-you AI voice agents and automation systems. We ship production builds on GoHighLevel, Vapi, Retell, Bland, n8n, Make, and Zapier: AI receptionists, outbound and speed-to-lead calling, appointment booking, CRM automation, and social and DM automation. Every page below has a clean markdown version at the same URL with a .md suffix. ## Start here - [AI Voice Agent (overview)](https://www.tryagentikai.com/ai-voice-agent/): what we build, how it works, and pricing - [Services](https://www.tryagentikai.com/services/): the full done-for-you offering - [AI Voice Agent for GoHighLevel](https://www.tryagentikai.com/ai-voice-agent-for-gohighlevel/): our deepest cluster, native vs Vapi/Retell, real cost, config traps - [Free AI Clarity Workshop](https://www.tryagentikai.com/ai-clarity-workshop/): a 30-minute session mapping where AI saves time and money - [Answer Engine Optimization](https://www.tryagentikai.com/answer-engine-optimization/): a plain, honest guide to how ChatGPT, Perplexity, Gemini, and Google AI pick who to name, and how to rank in ChatGPT - [AI Appointment Booking](https://www.tryagentikai.com/appointment-booking-ai/): how AI booking actually works, the six step chain from enquiry to confirmed booking, where these systems break, and how to cut no-shows - [Lead Qualification](https://www.tryagentikai.com/lead-qualification/): why lead qualification fails, where BANT and MEDDIC break, how to qualify automatically with capture, enrich, score, route, and disqualify - [Follow Up Automation](https://www.tryagentikai.com/follow-up-automation/): why follow-up fails as a systems problem, sequence design, multi-channel orchestration, reply detection and when to stop, and Singapore PDPA compliance - [Forward Deployed Engineers](https://www.tryagentikai.com/forward-deployed-engineers/): the delivery model Palantir named, pointed at marketing and sales; we build the system inside your business and own whether it works, with an honest four-way comparison of software, agency, in-house, and forward deployed - [Contact](https://www.tryagentikai.com/contact/): book a call or email aditya@tryagentikai.com ## Singapore - [Lead Generation Agency Singapore](https://www.tryagentikai.com/lead-generation-agency-singapore/): a Singapore lead generation agency that builds the system that turns leads into booked calls, inside the tools you already use - [AI Implementation Partner Singapore](https://www.tryagentikai.com/ai-implementation-partner-singapore/): a Singapore partner that builds, runs, and owns your marketing and sales AI across the whole lead journey, inside the tools you already use, PDPA and grant friendly ## Marketing services (Singapore) - [SEO Agency Singapore](https://www.tryagentikai.com/seo-agency-singapore/): SEO that connects rankings to booked leads and gets you named in AI answers, from S$1,280 per month, PSG eligible - [Content Marketing Singapore](https://www.tryagentikai.com/content-marketing-singapore/): content engineered to rank, get cited by AI, and convert, from S$1,700 per month, PSG eligible - [Google Ads Agency Singapore](https://www.tryagentikai.com/google-ads-agency-singapore/): paid search that owns what happens after the click, speed to lead and booked calls, from S$850 per month, PSG eligible - [Social Media Marketing Singapore](https://www.tryagentikai.com/social-media-marketing-singapore/): social turned into captured, booked leads by answering the DMs, from S$1,000 per month, PSG eligible ## Free tools - [AI Visibility Checker](https://www.tryagentikai.com/ai-visibility-checker/): see whether ChatGPT, Perplexity, Google AI, Gemini, Grok, and Claude name your business, plus a full site health audit ## Integrations and pipelines (done-for-you builds) - [AI Voice Agent for GoHighLevel: Native vs Vapi/Retell, Real Cost, Config Traps](https://www.tryagentikai.com/ai-voice-agent-for-gohighlevel/): A vendor-neutral guide to building an AI voice agent for GoHighLevel: how native Voice AI actually works, the true two-layer cost, the outbound opt-in wall, and the exact configuration traps that break demo-good agents in week one. - [AI Agent HubSpot Integration](https://www.tryagentikai.com/ai-agent-hubspot-integration/): We build AI systems integrated with HubSpot that qualify leads, retain context across conversations, and automate sales workflows. - [AI Agent Salesforce Integration](https://www.tryagentikai.com/ai-agent-salesforce-integration/): We build AI systems integrated with Salesforce for qualification, context retention, and automation across sales operations. - [GoHighLevel AI Voice Pipeline: Instant Call on Every Form Submit](https://www.tryagentikai.com/gohighlevel-ai-voice-pipeline/): The implementer's build guide for a GoHighLevel AI voice pipeline: Form Submitted trigger to the native Voice AI Outbound Call action, the KYC and separate-outbound-agent prerequisites, the real cost stack, timezone and DNC safeguards, and the write-back loop that branches on call outcome. - [n8n Content Automation Pipeline: News to Auto-Posted Social, Done For You](https://www.tryagentikai.com/n8n-content-automation-pipeline/): A content pipeline built on n8n that curates the news in your niche, writes posts with AI, and auto-publishes to Facebook, Instagram, LinkedIn, and Threads. Done for you. - [GoHighLevel Speed to Lead Automation: The Real Build That Books](https://www.tryagentikai.com/gohighlevel-speed-to-lead-automation/): The exact GoHighLevel speed-to-lead build: the real trigger stack, the Conversation AI Bot action that qualifies and books, the human-handoff pause, the A2P deliverability gate, and the failure modes competitors won't mention. - [GoHighLevel Cold Email Automation That Stops When They Reply](https://www.tryagentikai.com/gohighlevel-cold-email-automation/): EmailPipeline turns GoHighLevel plus n8n into a cold-email engine that writes personalized follow-ups, moves contacts through pipeline stages, and kills the sequence on reply. - [GoHighLevel Facebook Automation: AI DM and Comment Replies](https://www.tryagentikai.com/gohighlevel-facebook-dm-automation/): GoHighLevel Facebook automation that answers DMs and comments with AI from your knowledge base, delivers links on keyword triggers, and syncs every lead into GHL. - [Instagram DM Automation AI on GoHighLevel](https://www.tryagentikai.com/gohighlevel-instagram-dm-automation/): Turn every Instagram DM and comment into a booked conversation. OS.1 answers from your knowledge base, fires keyword replies, and syncs leads into GoHighLevel. - [WhatsApp GoHighLevel Automation: AI That Answers 24/7](https://www.tryagentikai.com/whatsapp-gohighlevel-automation/): WhatsApp GoHighLevel automation that answers every message 24/7, qualifies leads, books calls, and logs it all to your CRM. Powered by OS.1 on the Meta API. - [Done-For-You GoHighLevel Automation, Built in the Workflow Builder](https://www.tryagentikai.com/done-for-you-gohighlevel-automation/): Done-for-you GoHighLevel automation built with real triggers and actions, dedupe and DND handling, Conversation AI, and honest AI Employee and LC Phone usage costs. - [Vapi GoHighLevel Integration](https://www.tryagentikai.com/vapi-gohighlevel-integration/): We build a production Vapi and GoHighLevel voice pipeline: form triggers an instant AI call, live conversation, summary written back to the contact, follow-up that stops on reply. - [Retell AI GoHighLevel Integration: Voice That Calls Leads in Seconds](https://www.tryagentikai.com/retell-gohighlevel-integration/): A production Retell AI GoHighLevel integration that calls every new lead in seconds, qualifies live on the phone, writes fields back to GHL, then follows up on autopilot. - [n8n GoHighLevel Email Pipeline: AI Follow-Ups That Stop on Reply](https://www.tryagentikai.com/n8n-gohighlevel-email-pipeline/): We build a cold-email drip on GoHighLevel plus n8n: capture leads, send AI-written follow-ups, advance pipeline stages, and stop the moment they reply. - [AI Social Media Content Pipeline: Curate, Draft, Auto-Publish](https://www.tryagentikai.com/ai-social-media-content-pipeline/): An AI social media content pipeline that curates niche news, drafts posts in your voice, and auto-publishes to Facebook, Instagram, LinkedIn, and Threads on schedule. - [Facebook DM Automation with the Meta API](https://www.tryagentikai.com/facebook-dm-automation-meta-api/): Facebook DM and comment automation on the Meta API. AI answers DMs and comments from your knowledge base, with keyword triggers and instant link delivery. - [Instagram Comment Automation with AI](https://www.tryagentikai.com/instagram-comment-automation-ai/): AI watches your Instagram posts, replies to comments from your knowledge base, and moves keyword commenters into DMs and your CRM. Powered by OS.1. - [Zoom Meeting Proposal Automation with AI](https://www.tryagentikai.com/zoom-meeting-proposal-automation/): Turn every Zoom call into a tailored proposal sent before the prospect leaves the tab. AI transcribes, drafts, and emails it through GoHighLevel automatically. - [Make.com Zoom Automation: Auto-Send Proposals After Every Call](https://www.tryagentikai.com/make-zoom-proposal-automation/): Make.com Zoom automation that transcribes the call, drafts the proposal, and emails it through GoHighLevel the moment your meeting ends. Done-for-you build. - [AI Appointment Booking Agent That Answers and Books While You Sleep](https://www.tryagentikai.com/ai-appointment-booking-voice-agent/): An AI voice agent answers, qualifies, and books appointments into your GoHighLevel calendar 24/7, then confirms and reminds to cut no-shows. Inbound and outbound. - [Bland AI Outbound Calling Pipeline for GoHighLevel](https://www.tryagentikai.com/bland-ai-outbound-pipeline/): We build Bland AI outbound calling pipelines wired into GoHighLevel: dials your lists, qualifies live, books meetings, logs every outcome to the CRM. - [ElevenLabs Voice Agent in Production: The System Around the Voice](https://www.tryagentikai.com/elevenlabs-voice-agent-production/): ElevenLabs gives you a lifelike voice. We build the production system around it: telephony, conversation logic, CRM writeback, and follow-up that actually books. - [OS.1 Meta Automation: One Engine for FB, IG and WhatsApp](https://www.tryagentikai.com/os1-meta-automation/): OS.1 is our in-house engine that answers Facebook, Instagram and WhatsApp messages from one shared knowledge base and logs every conversation into GoHighLevel. - [Zapier Automation Not Working? We Rebuild Broken Zaps](https://www.tryagentikai.com/zapier-automation-keeps-breaking/): Your Zapier automations keep breaking on silent errors, task limits, and API changes. We rebuild them production-grade on n8n with monitoring, alerts, and support. - [Done-For-You n8n Automation: We Scope, Build, Host, and Maintain](https://www.tryagentikai.com/done-for-you-n8n-automation/): Done-for-you n8n automation. We scope, build, host, and maintain workflows for lead capture, content, follow-up, and data sync, with monitoring and support. ## By industry and role - [AI SDR for GHL Agencies](https://www.tryagentikai.com/ai-sdr-for-ghl-agencies/): How we actually build an AI SDR inside GoHighLevel: the exact Conversation AI and Appointment Booking workflow nodes, the real blended cost once LC Phone and tokens are stacked, and when you must bolt on Vapi or Retell for outbound. - [AI Support Rep for Ecommerce](https://www.tryagentikai.com/ai-support-rep-for-ecommerce/): We build AI support systems for ecommerce teams that resolve repetitive tickets, remember buyer context, and escalate edge cases with full history. - [AI Receptionist for Travel Agency. Stop Losing Bookings to Missed Calls](https://www.tryagentikai.com/ai-booking-agent-for-travel-agencies/): A bus operator in Delhi NCR was losing 20 to 30 booking calls daily. We deployed an AI receptionist for the travel agency that answers every call in Hindi or English, captures route + date + seats, and sends details to WhatsApp, live in 7 days. Starts at ₹2,499/mo. - [AI Dispatch Agent for Home Services. Stop Losing Jobs to Missed Repair Calls](https://www.tryagentikai.com/ai-dispatch-agent-for-home-services/): Home services businesses lose ₹1,500 to ₹3,000 every time a call goes unanswered. We build an AI voice dispatcher that answers 24/7, captures the fault and location, and routes the job to your team's WhatsApp, so no job walks to a competitor. - [AI Hiring Agent for Staffing Agencies. Screen 500 Candidates/Day Automatically](https://www.tryagentikai.com/ai-interviewer-for-blue-collar-hiring/): 150 applications come in. Your team can call 50. The other 100 age out overnight, and your competitor screens them first. We build an AI hiring agent for staffing agencies that calls every applicant within minutes, qualifies them in their own language, and hands you only the candidates worth your time. - [AI Show-Up Agent for Coaching. Go from 50% to 70%+ Show-Up Rate in 2 Weeks](https://www.tryagentikai.com/ai-show-up-agent-for-online-coaching/): Industry average show-up rate for coaching businesses is 45 to 55%. Your lead filled the form, watched your content, picked a slot, then didn't show. We build an AI confirmation agent that calls every booked lead before their slot, handles reschedules, and updates your CRM, so your sales team only shows up to calls that are already confirmed. - [AI Showing Coordinator for Real Estate. Never Miss a Commission to an Unanswered Call](https://www.tryagentikai.com/ai-showing-coordinator-for-real-estate/): You're showing a flat. Your phone rings, a hot inquiry on another listing. You can't answer. They move to the next agent on Google in under 3 minutes. We build an AI first-layer receptionist that captures every property inquiry, qualifies the lead, and logs it so you follow up when you're free, and commission doesn't walk out the door. - [AI Receptionist for Med Spas. Capture Every After-Hours Treatment Inquiry](https://www.tryagentikai.com/ai-receptionist-for-med-spa/): A caller rings at 7 PM about a Botox consultation or laser treatment. Your front desk is gone. That lead, worth ₹15,000 to ₹80,000 in treatment revenue, just called the next clinic on Google. We build an AI receptionist that answers after hours, captures treatment interest and contact details, and logs everything so your team follows up before the lead goes cold. - [Done-For-You AI Voice Agent. We Build It, Deploy It, Manage It](https://www.tryagentikai.com/done-for-you-ai-voice-agent/): Every AI voice agent platform expects you to build it yourself. We don't. We build your AI voice agent, deploy it on your number, and manage it, live in 7 days. You just answer the qualified leads. Starts at ₹2,499/mo ($299/mo). - [AI for Missed Calls. Stop Losing Revenue to an Unanswered Phone](https://www.tryagentikai.com/ai-for-missed-calls/): The average service business misses 20 to 40% of inbound calls. Each missed call is a customer who called your competitor instead. We build an AI voice agent that answers every call, captures the inquiry, and sends your team a WhatsApp summary, 24/7. - [After Hours Dental Answering Service. Never Lose a Toothache Call](https://www.tryagentikai.com/ai-receptionist-for-dental-clinic/): It's 9 PM. A patient with a toothache calls your clinic and gets voicemail. They Google the next dentist who picks up. Our after hours dental answering service answers every evening, weekend, and mid-procedure call, captures patient details, triages urgency, books appointments, and sends WhatsApp confirmations, so no toothache call ever goes to voicemail again. - [Salon No-Show Reminder Call Service. Confirm Every Appointment Before the Chair Sits Empty](https://www.tryagentikai.com/ai-booking-agent-for-salon/): A client booked Saturday color three weeks ago. Today she forgot. The chair sits empty, the colorist stands idle, and that slot is gone for good. Our salon no-show reminder call service calls and messages every client before their appointment, confirms they are coming, and offers no-shows' slots to your waitlist, so your chairs stay full. - [Coaching Institute Admission Calling AI. Stop Losing ₹1 Lakh Enrollments to Unanswered Calls](https://www.tryagentikai.com/ai-for-coaching-institute/): Coaching institute admission calling AI that handles every inbound admission call. During season, 100 parents call daily. Your staff handles 40. The other 60 call competitors. Each lost enrollment is ₹50,000 to ₹2,00,000 gone. Our admission calling AI answers course details, fee structure, batch timings, captures contacts and books counseling sessions automatically. - [AI COD Confirmation Agent. Cut RTO by 30 to 50% With Pre-Dispatch Verification Calls](https://www.tryagentikai.com/ai-cod-confirmation-agent/): 60 to 70% of Indian e-commerce orders are Cash on Delivery. 25 to 40% of those get returned to origin. Each RTO costs you ₹200 to ₹400 in wasted shipping. A single AI call before dispatch, confirming address, verifying intent, offering prepaid conversion, reduces RTO by 30 to 50%. We build the agent that makes that call. - [Restaurant Reservation Answering Service. Fill Every Table, Every Call](https://www.tryagentikai.com/ai-receptionist-for-restaurant/): Friday 7 PM. Kitchen is slammed. Servers are running. Phone rings, a family wants a table for 8 on Saturday. Nobody can answer. They call the restaurant next door. Our restaurant reservation answering service answers every call, takes reservations, handles takeaway orders, and routes event inquiries, so your team stays on the floor and your tables stay full. - [Diagnostic Centre AI Receptionist. Every Booking Answered, Every Report Sent](https://www.tryagentikai.com/ai-for-diagnostic-lab/): A diagnostic centre AI receptionist answers every call your busy phone line drops. It books tests, gives fasting instructions, schedules home collection, and delivers reports on WhatsApp, 24/7, in the patient's language. - [Pest Control Answering Service That Catches Every Emergency Call](https://www.tryagentikai.com/ai-for-pest-control/): 70% of pest control leads come from phone calls. Our pest control answering service answers every call, captures the pest type and urgency, and dispatches your on-call team instantly. Emergency pest calls (scorpion, snake, bee hive) convert at 90%+, but only if someone answers. - [Immigration Consultancy AI Receptionist. Stop Losing ₹3L Students to a Missed Call](https://www.tryagentikai.com/ai-for-immigration-consultant/): An immigration consultancy AI receptionist answers every inquiry call, even when a mid-size consultancy handles 50 to 100 calls a day during peak season. Conversion from inquiry to enrollment is 8 to 15%. Every missed call is a student, and ₹2 to 5L in consulting fees, walking to the agency that picked up first. We build an AI phone agent that handles the initial inquiry, captures the student profile, and books counseling sessions. - [AI Receptionist for Gyms & Fitness Studios. Stop Losing Members to an Unanswered Phone](https://www.tryagentikai.com/ai-for-gym-fitness/): Busy gyms get 15 to 30 inquiry calls/day. Peak times, mornings, evenings, January, are exactly when trainers are in sessions and the front desk is swamped. Each missed inquiry could be ₹15,000 to ₹60,000 ($200 to $800) in annual membership revenue. We build an AI receptionist that answers every call, shares pricing, books trial sessions, and sends WhatsApp with membership options. ## Comparisons and alternatives - [Vapi Alternative for Production Systems](https://www.tryagentikai.com/vapi-alternative/): Vapi is strong for prototyping. We build production AI voice systems with memory, automation, and monitoring for teams that need reliability when it counts. - [Retell AI Alternative for Production Systems](https://www.tryagentikai.com/retell-ai-alternative/): Retell AI can ship quick voice experiences. We build production AI systems with memory and automation for full operational workflows. - [Bland AI Alternative for Production Systems](https://www.tryagentikai.com/bland-ai-alternative/): Bland AI can run outbound voice quickly. We build production AI systems that combine voice, memory, and business workflow automation. - [AI Receptionist vs Human Receptionist. Real Cost Comparison (₹ and $)](https://www.tryagentikai.com/ai-vs-human-receptionist/): A human receptionist costs ₹24,999/month ($300/month), works 8 hours, handles 1 call at a time, and takes sick days. An AI receptionist costs ₹2,499/month ($30/month), works 24/7, handles unlimited concurrent calls, and never misses a day. Here's the full comparison. - [GoHighLevel AI Calling Alternative. Production Voice AI for GHL Agencies](https://www.tryagentikai.com/gohighlevel-ai-calling-alternative/): GHL's built-in AI calling is limited, no Indian number support, basic scripting, no persistent memory. We build production AI callers that plug into your GHL pipeline: outbound qualification, appointment confirmation, and lead follow-up with full CRM sync. - [Your n8n Automation Keeps Breaking. We Rebuild It Production-Grade](https://www.tryagentikai.com/n8n-automation-keeps-breaking/): Your self-built n8n automation keeps breaking: token expiry, silent failures, rate limits, API changes. We rebuild it production-grade with monitoring, alerts, and support. - [Leadlock AI Alternative: Build It Native in GoHighLevel Instead](https://www.tryagentikai.com/leadlock-ai-alternative/): Leadlock AI is a $97 to $497/mo SaaS layer on top of GoHighLevel. We do the real total-cost math and show the native Voice AI build that replaces it, plus the one case where we'd reach for Vapi or Retell. - [GoHighLevel AI Employee Alternative: Keep GHL, Swap the AI Layer](https://www.tryagentikai.com/gohighlevel-ai-employee-alternative/): You do not have to leave GoHighLevel to escape the AI Employee add-on. A mechanics-first look at native Voice AI, the seven real post-call actions, the $497 rebilling constraint, and when a Vapi or Retell build wins instead. - [Zapier Alternative for Agencies: Done-For-You n8n Builds](https://www.tryagentikai.com/zapier-alternative-for-agencies/): Stop paying Zapier per task. We build and maintain your automations on n8n (per-execution billing, self-hostable, any API) so agencies stop babysitting broken Zaps. - [Make.com Alternative: Done-For-You Automation Build](https://www.tryagentikai.com/make-com-alternative/): Skip the scenario editor. We design, host, and maintain your automations (often on n8n) so you get the outcome without learning Make.com or fixing silent fails. - [Lindy AI Alternative: Done-For-You Automation Builds](https://www.tryagentikai.com/lindy-ai-alternative/): A done-for-you Lindy AI alternative. We build and maintain production-grade automations on n8n and GoHighLevel that plug into your real stack. Book a call. - [n8n vs Zapier vs Make: An Honest Comparison](https://www.tryagentikai.com/n8n-vs-zapier-vs-make/): n8n vs Zapier vs Make compared on billing, integrations, learning curve, and self-hosting. See which fits your business, then we build the production automation. - [smallest.ai Alternative: Done-for-You Production Voice Agents](https://www.tryagentikai.com/smallest-ai-alternative/): Evaluating smallest.ai for voice? We build your full production voice agent: telephony, conversation logic, CRM write-back, and automated follow-up included. - [Synthflow Alternative: Done-For-You Voice Agent Build](https://www.tryagentikai.com/synthflow-alternative/): Skip the Synthflow builder. We design, deploy, and run your voice pipeline on GoHighLevel with your choice of voice engine, then maintain it end to end. - [Vapi vs Retell vs Bland: Which AI Voice Platform Wins](https://www.tryagentikai.com/vapi-vs-retell-vs-bland/): Vapi vs Retell vs Bland compared honestly on dev flexibility, time to production, and outbound cost at scale. See which fits you, then we build it into your CRM. - [ElevenLabs vs Vapi: Voice Layer or Agent Platform?](https://www.tryagentikai.com/elevenlabs-vs-vapi/): ElevenLabs is a voice layer and Vapi runs the agent. See where each fits, which suits you, and how we build the production voice agent around both. ## Best-of guides - [Best AI Tools for Dental Practices (2026)](https://www.tryagentikai.com/best-ai-tools-for-dental-practices/): A practical guide to the best AI tools and systems for dental practices, including voice reception, memory, scheduling automation, and patient follow-up. - [AI Voice Agent for Small Business Appointment Booking](https://www.tryagentikai.com/best-ai-voice-agents-for-business/): Done-for-you AI voice agent for small business appointment booking. It answers calls, books appointments, and syncs to your calendar and CRM. - [Best AI for GoHighLevel Agencies (2026)](https://www.tryagentikai.com/best-ai-for-gohighlevel-agencies/): A practical guide to the best AI stack options for GoHighLevel agencies, including voice systems, memory layers, and automation orchestration. ## Glossary and definitions - [What Is an AI Receptionist?](https://www.tryagentikai.com/glossary/what-is-an-ai-receptionist/): An AI receptionist answers calls, captures intent, books appointments, and routes follow-up tasks. Learn how it works in production environments. - [What Is an AI Voice Agent?](https://www.tryagentikai.com/glossary/what-is-an-ai-voice-agent/): An AI voice agent handles spoken conversations with users and can trigger workflows. Learn what separates demos from production systems. - [What Is Agentic AI?](https://www.tryagentikai.com/glossary/what-is-agentic-ai/): Agentic AI describes systems that can decide and act across multi-step workflows. Learn what it means in practical business terms. - [AI Agent vs AI System: What Is the Difference?](https://www.tryagentikai.com/glossary/ai-agent-vs-ai-system/): Understand the difference between an AI agent and an AI system, and why system-level design matters for production reliability. - [What Is Production-Grade AI?](https://www.tryagentikai.com/glossary/what-is-production-grade-ai/): Production-grade AI is AI that performs reliably in live operations with monitoring, controls, and measurable outcomes. ## Machine-readable - [Sitemap](https://www.tryagentikai.com/sitemap.xml): all indexable URLs - Any page above returns markdown when requested with the Accept: text/markdown header or a .md suffix.