Welcome to Dealsignal | Dealsignal

DealSignal provides fresh, accurate, verified B2B data so sales and marketing teams can target the right buyers, personalize outreach, and increase deliverability.

This site has three sections:

Documentation

Concepts, flows, and quickstarts for each product area.

API Reference

Every endpoint with request/response schemas and live examples.

What's New

Recently shipped endpoints and breaking-change notes.

Base URL

https://app.dealsignal.com

Authentication in one line

Every request except the key-roll endpoint takes your api_key as a query parameter:

curl "https://app.dealsignal.com/api/v1/users/credit_metrics?api_key=YOUR_API_KEY"

For details on rotation, grace windows, and the POST /api/v1/auth/api_keys/roll endpoint, see Authentication.

Product areas

Lead Enrichment

Submit a bulk list of contacts; receive verified emails, phones, titles, company data.

Contact Profile Refresh Requests

Refresh individual profiles on demand. By default every profile comes back inline with the contact matched so far; poll for the refreshed results.

Credits

Check your credit balance and usage before launching jobs.