Authentication

These guides use the existing Waterfall API at https://api.waterfall.io. Authenticate with the x-api-key header.

export WATERFALL_API_KEY='YOUR_API_KEY'

curl --get 'https://api.waterfall.io/v1/enrichment/contact' \
  --header "x-api-key: $WATERFALL_API_KEY" \
  --data-urlencode 'job_id=YOUR_JOB_ID'

Replace placeholders before running requests. Keep API keys on your server or in your workflow tool’s secret store, not in browser code or source control. Use the existing API key management reference to manage access. Contact Waterfall if you need API access or a setup for your signup volume.

Start here

Use cases

Signups & accounts

Find your buying team

Visitors & existing users

Monitoring

Integration essentials