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Waterfall

United States

Plans and prices

Usage-based / prepaid

Priced on request

No fixed list price shown; rates depend on committed volume and are quoted against customer data

Every plan, in full

On the record

API endpoints
The API documentation lists endpoints for prospecting, contact and company search, contact and phone enrichment, job-change detection, and email verification.docs.waterfall.io · read 9 Oct 2026
API integration
The maker describes Waterfall as a data layer accessed through one API and says it can be used with an existing vendor API key.waterfall.io · read 9 Oct 2026
Data coverage
The Contact Search page says searches can draw on a database of more than 750 million profiles.waterfall.io · read 9 Oct 2026
Intended users
The maker describes its users as GTM and revenue leaders, GTM engineers, RevOps teams, and PLG teams.waterfall.io · read 9 Oct 2026
Notable limit
Waterfall says it is selective about partnering with platform customers, based on strategic alignment and responsible data use.waterfall.io · read 9 Oct 2026
Onboarding
The maker says teams can run data-quality and coverage tests via CSV, S3, or API and may go live as early as the next day.waterfall.io · read 9 Oct 2026
Outcome-based charges
For contact enrichment, credits are deducted only when Waterfall returns a verified email or matched profile; empty results are free.waterfall.io · read 9 Oct 2026
Platform access
The API documentation says requests use https://api.waterfall.io and require an API key in the x-api-key header.docs.waterfall.io · read 9 Oct 2026
Product
Waterfall provides a GTM data API that aggregates more than 30 data vendors for contact, email, and mobile-number coverage.waterfall.io · read 9 Oct 2026
Real-time verification
The maker says contact profiles are verified in real time and returned emails are checked before delivery.waterfall.io · read 9 Oct 2026
Reliability
The homepage claims 99.99% uptime and built-in redundancy across its data vendors.waterfall.io · read 9 Oct 2026
Security and privacy
The homepage states that Waterfall is SOC 2 Type II certified, GDPR and CCPA compliant, and does not store, reuse, or resell customer data.waterfall.io · read 9 Oct 2026
Support
The maker offers dedicated Slack support for platform customers and says its API onboarding includes direct engineering access and response times under one hour.waterfall.io · read 9 Oct 2026
Use cases
The service supports contact search, verified email and phone enrichment, job-change tracking, and matching emails to business profiles.waterfall.io · read 9 Oct 2026

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