Best Email APIs — Compared
Compare 34 Email APIs side by side. See authentication methods, HTTPS support, and CORS policies at a glance.
| API | Description | Auth | HTTPS | CORS |
|---|---|---|---|---|
| Abstract Email Validation | Validate email addresses for deliverability and spam | apiKey | ||
| Academic Email API | This API allows you to verify whether an email belongs to a recognized educational institution | apiKey | ||
| Cloudmersive Validate | Validate email addresses, phone numbers, VAT numbers and domain names | apiKey | ||
| Data2CRM.API | <p>Make use of our in-depth documentation to get more information about the various functions of the service. Those willing to explore the mechanics of Data2CRM.API can test it in live regime using... | apiKey | ||
| Disify | Validate and detect disposable and temporary email addresses | None | ||
| DropMail | GraphQL API for creating and managing ephemeral e-mail inboxes | None | ||
| Emailvalidation | E-Mail address validation | apiKey | ||
| Fun Generators API | Fungenerators API gives access to the full set of generators available at fungenerators.com so that you can integrate them in your workflow or an app. [Click here to get details and subscribe](http... | apiKey | ||
| Guerrilla Mail | Disposable temporary Email addresses | None | ||
| Heybounce | Email Verification API | None | ||
| ImprovMX | API for free email forwarding service | apiKey | ||
| IndiePitcher | Everything email for your startup with markdown support | apiKey | ||
| Kickbox | Email verification API | None | ||
| License Manager API | ## Welcome! The License Manager API allows you to create users, modify their names and emails, as well as add and remove roles from users. ### ATTRIBUTES |Attribute name | Description | |... | apiKey | ||
| mail.gw | 10 Minute Mail | None | ||
| mail.tm | Temporary Email Service | None | ||
| MailboxValidator | Validate email address to improve deliverability | apiKey | ||
| MailboxValidator Disposable Email Checker | The MailboxValidator Disposable Email Checker API checks if a single email address is from a disposable email provider and returns the results in either JSON or XML format. Refer to https://www.mai... | apiKey | ||
| MailboxValidator Email Validation | The Single Validation API does validation on a single email address and returns all the validation results in either JSON or XML format. Refer to https://www.mailboxvalidator.com for further inform... | apiKey | ||
| MailboxValidator Free Email Checker | The MailboxValidator Free Email Checker checks if a single email address is from a free email provider and returns the results in either JSON or XML format. Refer to https://www.mailboxvalidator.co... | apiKey | ||
| MailCheck.ai | Prevent users to sign up with temporary email addresses | None | ||
| Mailtrap | A service for the safe testing of emails sent from the development and staging environments | apiKey | ||
| NoParam | Email validation API for real-time & bulk checking | apiKey | ||
| Notilify | A seamless messaging platform & API to send all types of SMS | apiKey | ||
| Proweblook Email Checker | Validate email addresses without sending | apiKey | ||
| Resend | Email API for developers | apiKey | ||
| Sendgrid | A cloud-based SMTP provider that allows you to send emails without having to maintain email servers | apiKey | ||
| ShipEngine API | ShipEngine's easy-to-use REST API lets you manage all of your shipping needs without worrying about the complexities of different carrier APIs and protocols. We handle all the heavy lifting so you ... | apiKey | ||
| Sweego | Self-serve multichannel notification platform for transactional email, SMS, push web& mobile, chat, in-app | apiKey | ||
| Sweep Emails | Reliable email validation API with Free tier | apikey | ||
| Temporary and Disposable emails API | This API provides temporary & disposable email addresses | apiKey | ||
| Trueguard | Trueguard offers API for detecting temporary emails, free-tier abusers and automated bots | apiKey | ||
| Wikimedia | This API provides cacheable and straightforward access to Wikimedia content and data, in machine-readable formats. ### Global Rules - Limit your clients to no more than 200 requests/s to this API. ... | apiKey | ||
| Zyntra | Unlimited e-mail inboxes with API access. Catch OTPs, reset links, and sign-up emails in test flows | apiKey |