Category
B2B Contact Enrichment
Key features
Waterfall enrichment across 30+ vendors
Contact search by domain and title
Verified email finding
01 — Overview
What is
Waterfall
Waterfall is a B2B data API that combines more than 30 data vendors behind one schema, so teams can find contacts, verified emails and mobile numbers without managing separate vendor contracts. GTM teams use it to source contacts by company website, title and location, match emails to full business profiles for scoring and segmentation, and track job changes of champions at customer accounts.
02 — Who it’s for
Ideal Customer Profile
Aimed at GTM engineers, RevOps teams, PLG teams and revenue leaders who build data workflows in code. Customer logos include Ramp, Gorgias and Ashby, pointing to scale-ups and mid-market software companies.
03 — Capabilities
Key Features
Waterfall enrichment across 30+ vendors
Contact search by domain and title
Verified email finding
Mobile number lookup
Job change tracking
Unified contact and account schema
High rate limit API
05 — Similar tools
Alternatives
06 — FAQ
Frequently Asked Questions
What is Waterfall used for?
Waterfall finds and enriches B2B contacts, including verified emails and mobile numbers, by querying many data vendors in sequence through one API.
Who is Waterfall for?
It is built for technical GTM teams such as GTM engineers, RevOps and PLG teams that want to plug contact data straight into their own tools and workflows.
Can Waterfall track job changes?
Yes. Waterfall can monitor when champions at existing customers change jobs, so sales teams can follow them to their new company.
Does Waterfall have an API and documentation?
The product is API first, with a prospector endpoint and examples in cURL, Python and Node. Full documentation is at docs.waterfall.io. The site also states SOC 2 Type II certification and GDPR and CCPA compliance.






