Instantly Email Verification API
Single and bulk email address verification endpoints that check syntax, MX records, deliverability, and risk scoring before sending.
Instantly Email Verification API is one of 9 APIs that Instantly publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Verification, Deliverability, and Email. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.