Evaluating Agent Tool Calls
Most agent evals grade the final answer. The harder failure is a tool returning 200 OK with an empty field. Evaluate the data your agent got, in Python and JS.
How to Code an Enrichment Waterfall
A Python and JavaScript walkthrough of waterfall enrichment: provider fall-through, field-level merge, conflict resolution, caching, and cost control.
A Prospect Research Agent with Claude Code + datalegion-cli
Build a prospect research agent in 10 minutes with Claude Code + datalegion-cli. Outputs a per-account dossier and per-contact email-sequence outlines.
Lead Scoring with Enriched Data
Most lead scoring models fail because the data is incomplete. How to build, calibrate, and maintain a scoring model powered by enrichment.
Building a Real-Time Enrichment Pipeline with a Person API
Stop exporting CSVs. Build a real-time data enrichment pipeline with a person API that enriches leads the moment they enter your system.
How to Enrich Clay Tables with Data Legion
Set up Data Legion's Person Enrich API as a Clay HTTP API integration. Step-by-step configuration for endpoint, auth, request body, and response mapping.