Authentication
Connect to Waterfall.io using your API key.Connection details
| Field | Description |
|---|---|
| API Key | Your Waterfall.io API key |
Waterfall.io actions
Enrich company
Retrieve detailed company information. Configuration| Field | Description |
|---|---|
| Company LinkedIn URL or slug | |
| Domain | Company domain or website URL |
| Name | Company name |
Enrich contact
Retrieve contact information including email and profile data. Configuration| Field | Description |
|---|---|
| Contact LinkedIn URL or slug | |
| Full name | Full name of the contact |
| First name | First name of the contact |
| Last name | Last name of the contact |
| Domain | Company domain |
| Professional or personal email | |
| Include extra fields | Include additional profile fields |
Find phone
Retrieve a contact’s phone number. Configuration Same fields as Enrich contact, focused on phone number retrieval.Search prospects
Search for contacts at a company with filtering options. Configuration| Field | Description |
|---|---|
| Company domain | Domain of the company (required) |
| Company name | Company name |
| Company LinkedIn handle | |
| Title filter | Filter by job title |
| Title filters | Multiple title filters |
| Location country | Contact’s country |
| Location name | Contact’s city/region |
| Excluded names | Names to exclude from results |
| Limit | Maximum number of results |
Verify email
Verify if an email address is valid and deliverable. Configuration| Field | Description |
|---|---|
| Email address to verify |
Detect job change
Detect if a contact has changed jobs. Returns the job change status (MOVED, LEFT, NO_CHANGE, UNKNOWN) and updated person information. Configuration| Field | Description |
|---|---|
| Professional email | Work email address of the contact. Required for most lookups unless personal email or contact LinkedIn is provided. |
| Personal email | Personal email address of the contact. Used as an alternative to professional email. |
| Company domain | Domain of the company (e.g., deel.com). Helps improve matching accuracy. |
| Company LinkedIn | LinkedIn URL of the company (e.g., linkedin.com/company/digital-river). |
| Contact LinkedIn | LinkedIn profile URL of the contact. This input yields the highest coverage when combined with company domain. |
Credits
| Action | Cost |
|---|---|
| Enrich company | 1 credit |
| Enrich contact | 2 credits |
| Find phone | 7 credits |
| Search prospects | 3 credits per result |
| Verify email | 0.1 credits |
| Detect job change | 3 credits |
Use cases
Contact enrichment
Contact enrichment
Enrich leads with email, phone, and profile data.
Prospecting
Prospecting
Find contacts at target companies by title and location.
Phone outreach
Phone outreach
Get direct dial phone numbers for sales outreach.
Email verification
Email verification
Verify emails before adding to campaigns.
Job change detection
Job change detection
Detect when contacts change jobs to re-engage churned champions or identify
new opportunities.
Best practices
- Provide multiple identifiers - LinkedIn + domain improves match rates
- Use title filters - Target specific roles with title filter syntax
- Verify before sending - Use email verification to protect deliverability