04 / Choose a tool
Start with the signal you already have.
Pick the tool that matches your input signal. Each tool returns the same envelope so downstream code stays stable.
| I have | I want | Tool | Stage |
|---|---|---|---|
| LinkedIn URL | Best available email | linkedin_to_best_email | P1 |
| Full business profile | reverse_email_lookup | P1 | |
| Name + domain | Business email | search_business_email_by_name | P1 |
| Company + role filters | Ranked contacts | search_people | P2 |