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SPECIFICTION
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Waterfall

waterfall.io

API
Visit waterfall.io
Spec score 6.6 #32 of 34 in Data Enrichment Software

Spec sheet

Product
Waterfall provides a GTM data API that aggregates more than 30 data vendors for contact, email, and mobile-number coverage.Read 9 Oct 2026 · waterfall.io
Intended users
The maker describes its users as GTM and revenue leaders, GTM engineers, RevOps teams, and PLG teams.Read 9 Oct 2026 · waterfall.io
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.Read 9 Oct 2026 · waterfall.io
Headquarters
United StatesRead 28 Sep 2026 · waterfall.io
API endpoints
The API documentation lists endpoints for prospecting, contact and company search, contact and phone enrichment, job-change detection, and email verification.Read 9 Oct 2026 · docs.waterfall.io
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.Read 9 Oct 2026 · waterfall.io
Data coverage
The Contact Search page says searches can draw on a database of more than 750 million profiles.Read 9 Oct 2026 · waterfall.io
Notable limit
Waterfall says it is selective about partnering with platform customers, based on strategic alignment and responsible data use.Read 9 Oct 2026 · waterfall.io
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.Read 9 Oct 2026 · waterfall.io
Outcome-based charges
For contact enrichment, credits are deducted only when Waterfall returns a verified email or matched profile; empty results are free.Read 9 Oct 2026 · waterfall.io
Platform access
The API documentation says requests use https://api.waterfall.io and require an API key in the x-api-key header.Read 9 Oct 2026 · docs.waterfall.io
Real-time verification
The maker says contact profiles are verified in real time and returned emails are checked before delivery.Read 9 Oct 2026 · waterfall.io
Reliability
The homepage claims 99.99% uptime and built-in redundancy across its data vendors.Read 9 Oct 2026 · waterfall.io
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.Read 9 Oct 2026 · waterfall.io
Use cases
The service supports contact search, verified email and phone enrichment, job-change tracking, and matching emails to business profiles.Read 9 Oct 2026 · waterfall.io

Plans and prices

Usage-based / prepaid Priced on request Prepaid balance reduced for each successful match; large-volume customers can be invoiced monthly based on the previous month’s consumption. No fixed list price shown; rates depend on committed volume and are quoted against customer data Read 9 Oct 2026 · waterfall.io

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