{"slug":"customerio","name":"Customer.io","url":"https://customer.io","category":"email-marketing","categoryName":"Email Marketing","tagline":"Event-triggered messaging for product-led SaaS","description":"Triggers messaging by real user behavior, not list membership, across email, push, SMS and in-app for product-led SaaS.","bestFor":"Product-led SaaS sending behavior-triggered campaigns","pricing":{"fromUsd":100,"oneTimeUsd":null,"hasFreeTier":false,"freeTier":null,"trialDays":null,"plans":[{"name":"Essentials","monthlyUsd":100,"annualMonthlyUsd":100,"oneTime":false,"currency":"USD","includes":"5,000 profiles, 1M emails/month, 2 object types, visual workflow builder"},{"name":"Premium","monthlyUsd":1000,"annualMonthlyUsd":1000,"oneTime":false,"currency":"USD","includes":"Custom profile/volume limits, 10 object types, elevated AI limits, premium support"},{"name":"Enterprise","monthlyUsd":null,"annualMonthlyUsd":null,"oneTime":false,"currency":"USD","includes":"Custom, dedicated infrastructure, SSO, audit logging"}],"summary":"From $100/mo","model":"plans","history":[],"trackedSince":"2026-08-27","currentSince":null},"openSource":false,"indieBuilt":false,"maker":null,"pros":["Powerful event/behavior-based segmentation, not just static lists","12 months free for qualifying early-stage startups","Handles email, push, SMS and in-app messaging"],"cons":["No free tier, entry plan starts at $100/month","Requires sending real product event data","Premium tier jumps steeply to ~$1,000/month"],"specs":{"Free tier":"No (12mo startup program)","Automations":"Yes, event-triggered, advanced","Transactional email":"Yes, included","Landing pages":"No","Paid newsletters":"No native support","API/dev friendly":"Yes, strong event API"},"rating":null,"reviewCount":0,"editorsPick":false,"promoted":false,"sources":["https://customer.io/pricing","https://customer.io/partners"],"page":"https://www.saas4that.com/tools/customerio","agent":{"ready":false,"mcp":null,"api":null,"cli":false,"webhooks":false,"zapier":false,"docs":null,"auth":null,"instructions":null,"howItWorks":null}}