Best B2B Data Providers for OpenAI

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.

Argorant is a comprehensive B2B contact database designed specifically for revenue teams that have grown weary of dealing with bounce-back emails and steep enterprise pricing. With the ability to search through an impressive 614 million contacts spanning 184 countries, users can easily find relevant companies by entering straightforward industry terms like ‘fintech’ or ‘dental practices.’ Each email address is meticulously verified through a live SMTP probe at the time of export, with catch-all servers being distinctly marked, ensuring that users receive only deliverable addresses rather than unreliable guesses based on patterns. Argorant operates on a fully self-service model, offering a free trial without the need for a credit card, along with paid plans starting at less than $100 monthly, flexible monthly billing, and the option to cancel with just one click. Additionally, it comes equipped with a REST API, webhooks, and an MCP server, allowing AI tools like Claude and GPT to seamlessly search for, verify, and export leads in real-time, making it an indispensable tool for modern sales strategies. This combination of features positions Argorant as a leading solution for businesses looking to optimize their lead generation efforts.

Clay is a go-to-market automation platform that combines business data enrichment, artificial intelligence, and workflow orchestration for sales and marketing teams. The software provides access to more than 200 data providers and enrichment tools for retrieving professional contact details, firmographic information, technographic data, and buying signals. Its waterfall enrichment functionality searches multiple providers sequentially to identify missing information and improve data coverage. Claygent uses AI-powered web research to investigate companies, identify relevant business information, and generate insights for prospecting and account qualification. The platform supports lead sourcing, account segmentation, territory planning, inbound lead routing, and automated outbound sales workflows. Users can create custom enrichment processes, apply lead scoring rules, and monitor signals such as job changes, hiring activity, and company developments. Clay integrates with CRM platforms such as Salesforce and HubSpot to synchronize enriched records and automate customer database maintenance. Its workflow tools support conditional logic, scheduled execution, webhooks, and AI agents for coordinating multistep GTM processes. Clay also provides tools for building advertising audiences, personalizing outreach, and connecting sales activities with external applications and data sources.