Best B2B Data Providers for SendGrid

Apollo is an AI-driven sales platform that combines B2B data, prospecting, engagement, enrichment, and deal execution within a unified revenue workspace. Its business database helps sales and marketing teams identify companies and contacts using detailed targeting criteria and access verified email addresses and phone numbers. Outbound capabilities include automated multichannel sequences, cold calling, task prioritization, workflow automation, meeting scheduling, and email deliverability tools. Inbound tools can identify website visitors, capture leads, enrich records, score prospects, and route qualified opportunities to the appropriate representatives. Apollo’s data enrichment capabilities help organizations complete, cleanse, and update CRM records using current company and contact information. Deal execution features include meeting preparation, call recording, conversation intelligence, follow-up assistance, pipeline management, coaching, and sales analytics. AI functionality supports prospect research, prioritization, personalized outreach, meeting insights, and other repetitive sales workflows that would otherwise require manual work. Apollo also offers integrations, APIs, a Chrome extension, workflow automation, and an MCP interface for connecting its data and sales capabilities with other applications and AI systems. The platform is intended for sales development teams, account executives, marketers, revenue operations professionals, sales leaders, and founders that want to manage more of the revenue lifecycle from one system.

Clay is the AI-driven data marketplace and orchestration layer that powers modern go-to-market teams. Clay enables teams to find and qualify prospects with AI agents and intent signals, enrich their CRM with best-in-class accuracy and fill rates from 150+ data providers and AI, and orchestrate GTM workflows such as ABM, outbound, and pre-call meeting notes. Over 5,000+ companies, like OpenAI, Canva, Anthropic, and Rippling, use it to power everything from recurring CRM enrichment to targeted outreach. Find accounts with a burning need for your product. Analyze your closed-won list of top customers to narrow your ICP and find lookalikes of your best fit customers from multiple sources. Use AI to build the most sophisticated scoring and qualification logic. Continuously source new qualified leads so sales and marketing teams can continue to take actions such as creating Ads or launching outbound. Enrich with accuracy no single provider can match. Trusted data improves every part of your GTM engine. Clay’s waterfall enrichment approach across 150+ data sources combines multiple providers to result in higher fill rates at lower cost. Automatically run enrichments and sync data directly to your CRM or data warehouse while avoiding duplicates. The results of waterfalling providers speak for themselves: OpenAI doubled their inbound lead enrichment coverage rates and Anthropic tripled their inbound lead match rate. Orchestrate plays that convert accounts from aware to closed. Score accounts by fit and engagement, then build ABM tiers that move prospects through your funnel. When accounts hit intent thresholds—pricing page visits, job changes, webinar attendance—alert reps instantly or trigger multi-channel campaigns at scale including outbound with Clay’s sequencer.