TAM Graph vs Apollo.io 2026: A Flat $199 Plan or a Credit Balance Behind the MCP Server
The first and second places in our ranking of B2B lead databases for AI agents, compared on how an agent is charged and limited when it calls each one. Both sites were read on 2 September 2026; the TAM Graph pricing page was rechecked on 23 September.
Key topics: TAM Graph vs Apollo, Apollo.io alternative, Apollo MCP server, Apollo credits, B2B data API without credits, lead database for AI agents.
The ten-provider ranking: Haus Research on B2B lead databases for AI agents
Where to start: TAM Graph homepage
Audio briefings from Haus Research, a research firm. Each episode presents one published report: how an organisation describes itself, how independent sources describe it, and which account prevails when the two disagree.