Apollo.io - 275M+ B2B Contact Database & AI Sales Intelligence Platform issales & conversion AI tool that apollo.io is an all-in-one sales intelligence and engagement platform that combines the world's largest b2b contact database containing over 275 million contacts and 73 million companies with powerful sales automation, email sequencing, ai personalization, power dialer, meeting scheduling, and crm capabilities. the platform is designed to replace multiple disparate sales tools by providing end-to-end functionality for prospecting, outreach, engagement, and deal management in a single integrated environment. apollo.io serves over 500,000 businesses worldwide including sales teams, business development representatives, account executives, marketers, recruiters, and revenue operations professionals who need accurate contact data combined with efficient outreach capabilities.
the platform's core strength lies in its massive, continuously updated b2b contact database that provides access to verified email addresses, direct phone numbers, job titles, company information, technographics, funding data, and intent signals across millions of decision-makers globally. unlike traditional contact databases that quickly become outdated, apollo.io uses proprietary data verification systems, community contributions from its large user base, and continuous data enrichment processes to maintain high accuracy rates on contact information. this real-time data quality is critical for sales teams whose outreach effectiveness depends entirely on reaching the right people with working contact information.
apollo.io's prospecting capabilities allow users to build highly targeted lead lists using advanced filters including job title, seniority level, department, company size, industry, location, technologies used, funding stage, growth signals, hiring intent, and many other criteria. the platform's search interface makes it easy to narrow down the massive database to precisely the ideal customer profile for any business. users can save searches, create lists, and continuously monitor for new contacts matching their criteria—ensuring a steady pipeline of fresh prospects without manual research work.
the integrated email sequencing and automation engine enables users to create multi-touch outreach campaigns that automatically send personalized emails, follow-ups, and task reminders based on prospect behavior and engagement. unlike standalone email automation tools, apollo.io's sequences are tightly integrated with the contact database, allowing seamless transitions from finding prospects to engaging them with automated campaigns. users can create sophisticated sequences with conditional logic, a/b testing variations, time delays, and trigger-based actions that optimize outreach effectiveness while maintaining personalization at scale.
apollo.io's ai capabilities significantly enhance sales productivity through multiple features. ai-powered email personalization generates contextually relevant opening lines, value propositions, and messaging based on prospect data, eliminating the time-consuming work of manually personalizing each outreach message. ai lead scoring analyzes prospect characteristics and engagement signals to prioritize which leads are most likely to convert, helping sales reps focus effort on highest-potential opportunities. ai research capabilities automatically gather relevant information about prospects and companies, providing sales reps with conversation-ready insights without manual research. the ai assistant (currently in beta) provides intelligent recommendations and automates routine tasks throughout the sales workflow.
the built-in power dialer enables sales teams to make high-volume outbound calls efficiently with features including local presence dialing, call recording, voicemail drop, call disposition tracking, and integration with sequences for coordinated multi-channel outreach. unlike using separate dialer tools, apollo.io's integrated dialer automatically logs calls to contact records, triggers follow-up tasks, and coordinates phone outreach with email sequences—creating truly multi-channel campaigns managed from one platform. call recordings include ai-powered insights that analyze conversations, identify key moments, and provide coaching feedback to improve sales performance.
meeting scheduling capabilities allow prospects to book meetings directly from emails or outreach touchpoints using customizable booking links that sync with calendar availability. the platform eliminates the back-and-forth email exchanges typically required to schedule meetings, accelerating the path from initial contact to booked conversations. users can create multiple meeting event types with different durations, availability windows, and routing rules to handle various meeting scenarios from discovery calls to demos.
apollo.io provides robust crm integrations with salesforce, hubspot, and other major crm platforms, ensuring contact data, activities, and engagement history sync bidirectionally between systems. this integration allows sales teams to access apollo.io's prospecting and engagement capabilities while maintaining their existing crm as the system of record. for teams without existing crms, apollo.io includes native pipeline management features that provide basic crm functionality for tracking deals, stages, and forecast.
the platform's deliverability suite helps ensure outreach emails actually reach prospect inboxes rather than spam folders. features include email warmup that gradually increases sending volume from new domains to build sender reputation, deliverability monitoring that tracks inbox placement rates, spam testing that identifies potential issues before sending campaigns, and domain health scoring that provides actionable recommendations to improve email deliverability. these deliverability tools are critical for maintaining high inbox placement rates that directly impact campaign effectiveness.
waterfall enrichment capabilities automatically enhance contact and company records with additional data points from multiple sources, filling in missing information and keeping records current. this enrichment happens automatically in the background, ensuring sales teams always have complete, accurate information about prospects without manual data entry or research. users can enrich data via csv uploads, crm syncs, or api integrations, making it easy to enhance existing contact databases with apollo.io's comprehensive data.
intent data and signals help identify prospects who are actively researching solutions or showing buying intent based on their digital behavior, technology adoption, hiring patterns, funding events, and other signals. these intent filters allow sales teams to prioritize outreach to prospects who are in-market and more likely to engage, improving conversion rates and reducing wasted effort on prospects who aren't ready to buy.
apollo.io's pricing structure is designed to scale from individual users to large enterprise sales organizations. the free plan provides 900 credits per year (granted monthly) and includes ai assistant access, ai research, 2 sequences, browser extensions for prospecting, deliverability suite with email warmup, and basic filtering—making it possible to start using apollo.io's core prospecting and outreach capabilities without upfront investment. the basic plan at $49 per user per month (billed annually) provides 30,000 credits per year (granted upfront), unlimited sequences, advanced filters, crm integrations, waterfall enrichment, 3 meeting event types, 6 intent topics, data enrichment via csv/crm/api, domain and mailbox purchasing, and us dialer access. the professional plan at $79 per user per month (billed annually, most popular) includes 48,000 annual credits, a/b testing for sequences, 6 meeting events, projects (currently in beta), unlimited gmail and microsoft mailboxes, automated workflows, 4,000 minutes of call recording with ai insights, analytics with pre-built reports, and us dialer access. the organization plan at $119 per user per month (minimum 3 users, billed annually) provides 72,000 annual credits and includes all professional features plus advanced customization, team management capabilities, priority support, and enterprise-grade features for larger organizations.
the credit system in apollo.io is used for actions like exporting contacts, revealing email addresses, mobile phone credits, and enrichment operations. different plans include different annual credit allocations granted either monthly (free plan) or upfront (paid plans), with credits refreshing annually. understanding credit usage is important for planning prospecting volume and ensuring sufficient credits for your team's needs.
apollo.io is particularly valuable for several key use cases. b2b sales teams prospecting new accounts can leverage the massive contact database to build targeted lead lists and automate multi-touch outreach at scale. account executives managing complex sales cycles benefit from integrated engagement tools, pipeline management, and activity tracking in one platform. sales development representatives (sdrs) focused on booking meetings can use automated sequences, power dialer, and meeting scheduling to maximize daily activity volume. marketing teams conducting account-based marketing can identify target accounts, find key decision-makers, and coordinate personalized outreach. recruiters sourcing candidates can search apollo.io's database for professionals matching specific criteria and automate recruitment outreach. revenue operations teams can use apollo.io's data enrichment, integrations, and analytics to optimize go-to-market processes and improve data quality across systems.
while apollo.io provides extensive functionality, users should understand that the platform's effectiveness depends significantly on how well it's configured and used. successful apollo.io implementations require thoughtful sequence design, personalized messaging, strategic prospecting filters, and ongoing optimization based on engagement data. the platform provides powerful tools, but results depend on sales fundamentals including targeting the right prospects, crafting compelling messages, and conducting effective conversations. users should also be aware that while apollo.io's database is large and generally accurate, no contact database is perfect—some emails will bounce, phone numbers change, and job titles become outdated. successful teams build verification and data hygiene practices into their workflows to maintain quality.. It focuses on features like Access to 275M+ verified B2B contacts and 73M+ companies, AI-powered email personalization and content generation, AI lead scoring and research capabilities to help with sales & conversion workflows.
The platform offers freemium access to 23 core features including Access to 275M+ verified B2B contacts and 73M+ companies, AI-powered email personalization and content generation, AI lead scoring and research capabilities, Unlimited email sequences on paid plans, Advanced prospecting filters with intent data, making it ideal for both beginners and professionals in the sales & conversion, marketing, business, data & analytics, productivity space.
Whether you're a small business owner, freelancer, or enterprise team, Apollo.io - 275M+ B2B Contact Database & AI Sales Intelligence Platform provides the tools you need toachieve your goals efficiently and effectively.
