# Waterfall.io, contact us: Phone finder API

> Get mobile and direct line phone numbers by LinkedIn, email, or name plus domain.

Waterfall.io's phone finder API on its Rates quoted after a benchmark on your records plan.

- This page: https://datacircle.dev/find-phone-apis/waterfall-io/contact-us
- Get it: https://www.waterfall.io/pricing
- Its API docs: https://docs.waterfall.io/v1/phone-enrichment-launcher
- Sold by: Waterfall.io (https://www.waterfall.io)
- Checked: 2026-10-14

## Price

- Billing: contact

## Charges

- Per: call

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Get mobile and direct line phone numbers by LinkedIn, email, or name plus domain.

## Data

- Keep data: set by your agreement with Waterfall, not public
- Use data: for internal sales and marketing use or, with our permission, for integration into their products

## Rate limit

- Batch: 1

## Speed

- Answer: by polling or webhook

## The call

- You send: linkedin, email, or full_name (or first_name and last_name) with domain, webhook_url, custom_fields
- Method: POST
- Path: /v1/enrichment/phone

## About the plan

- Plan: Rates quoted after a benchmark on your records
- Who can get it: anyone

## The 46 fields in the plan's answer

job status, start date, stop date, input, job ID, context ID, custom fields, person ID, first name, last name, LinkedIn ID, LinkedIn URL, about, location, country, company ID, company LinkedIn ID, company name, company domain, title, seniority, department, experience title, experience location, experience company name, experience company LinkedIn ID, experience company LinkedIn URL, experience company domain, experience start year, experience start month, experience start date, experience end year, experience end month, experience end date, experience is current, experience description, mobile phone, phone numbers, usage total USD, usage balance remaining USD, usage persons count, usage persons USD, usage phones count, usage phones USD, usage companies count, usage companies USD

## Waterfall.io's plans (1)

- [Waterfall.io, contact us](https://datacircle.dev/find-phone-apis/waterfall-io/contact-us/llms.txt)

## Waterfall.io's calls (1)

- `POST /v1/enrichment/phone`: [Waterfall.io, contact us](https://datacircle.dev/find-phone-apis/waterfall-io/contact-us/llms.txt)

## Similar plans of other providers

- [Adapt.io, contact us](https://datacircle.dev/find-phone-apis/adapt-io/contact-us/llms.txt)
- [BetterContact, contact us](https://datacircle.dev/find-phone-apis/bettercontact/contact-us/llms.txt): live
- [BlitzAPI, contact us, Blitz Embedded](https://datacircle.dev/find-phone-apis/blitzapi/contact-us-blitz-embedded/llms.txt): stored
- [Cognism, contact us, Pro](https://datacircle.dev/find-phone-apis/cognism/contact-us-pro/llms.txt): stored

## Sources

From each provider's own pricing page and docs. We read this row from these pages on 2026-10-14.

- https://docs.waterfall.io/v1/authentication
- https://docs.waterfall.io/v1/inline-usage
- https://docs.waterfall.io/v1/introduction
- https://docs.waterfall.io/v1/phone-enrichment-finder
- https://docs.waterfall.io/v1/phone-enrichment-launcher
- https://docs.waterfall.io/v1/rate-limit
- https://waterfall-io-public.s3.us-east-1.amazonaws.com/api_specs.yaml
- https://waterfall.io/pricing
- https://waterfall.io/terms-of-service
- https://www.waterfall.io/
- https://www.waterfall.io/book-a-call
- https://www.waterfall.io/pricing
- https://www.waterfall.io/privacy-policy
- https://www.waterfall.io/product/contact-enrich
- https://www.waterfall.io/terms-of-service