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11 GTM APIs Worth Plugging Into Your AI Agents
MAY 24, 2026

11 GTM APIs Worth Plugging Into Your AI Agents

Eleven GTM tools stand out as worth integrating with AI agents like Claude Code, split across three categories: data feeds that power agents (CompanyEnrich, LeadsFactory, Apollo, Prospeo, PredictLeads), platforms for building agents (Openmart, Nooks, Relevance AI, lemlist), and orchestrators that do both (Clay, Instantly). Each was selected based on API quality, MCP support, coverage, and how cleanly an agent can drive it end-to-end without a human in the loop. The practical playbook stacks them into four layers (data, signals, orchestration, execution), where an agent typically needs one tool per layer rather than all eleven.

Michel LiebenMichel Lieben