Public APIs
Explore top Email API alternatives to Kickbox. Compare docs, features, and pricing.
Mailsac
Disposable Email
mail.tm
Temporary Email Service
Guerrilla Mail
Disposable temporary Email addresses
ImprovMX
API for free email forwarding service
IIN API
Card IIN and BIN Lookup and Verification
MailboxValidator
Validate email address to improve deliverability
Disify
Validate and detect disposable and temporary email addresses
GETPing
Trigger an email notification with a simple GET request
OneSignal
Self-serve customer engagement solution for Push Notifications, Email, SMS & In-App
Base API
Base offers APIs for image and file storage, user authentication,email sending and more ...all in a single service!
Sendgrid
A cloud-based SMTP provider that allows you to send emails without having to maintain email servers
Nonprofit Check Plus
Nonprofit verification API for IRS tax-exempt status, OFAC screening, and compliance: BMF, PUB78, AROE and OFAC data sources normalized into one endpoint
Data Access
Access 100+ APIs for search engine data with a simple API.
News
Global news data API for search, monitoring, analytics, and AI — millions of articles daily with sentiment, entities, and powerful filters.
