Compare Email APIs
Deep dive into the technical specifications of 17 Email APIs. Use this side-by-side comparison to evaluate which service best fits your architectural requirements.
| API Identity | Score | Authentication | HTTPS | CORS | Speed | Difficulty | Brief |
|---|---|---|---|---|---|---|---|
| mailboxlayer | 72 B | API Key | ? | - | Intermediate | mailboxlayer is an email validation API that checks whether an email address is syntactically correc... | |
| Cloudmersive Validate | 87 A | API Key | Yes | - | Intermediate | Cloudmersive Validate is a comprehensive validation API that can verify email addresses, phone numbe... | |
| Disify | 82 A | No Auth | Yes | 781ms | Beginner | Disify is a free, no-auth API that checks whether an email address or domain belongs to a known disp... | |
| DropMail | 47 D | No Auth | ? | 527ms | Beginner | DropMail provides a GraphQL API for creating and managing temporary email inboxes, letting you gener... | |
| Email Validation | 92 A+ | API Key | Yes | - | Intermediate | Abstract API Email Validation checks whether an email address is deliverable, properly formatted, an... | |
| EVA | 0 F | No Auth | Yes | 94ms | Beginner | EVA provides programmatic access to validate email addresses via REST API. This Email API enables de... | |
| Guerrilla Mail | 82 A | No Auth | ? | 284ms | Beginner | Guerrilla Mail provides a REST API for creating and reading disposable temporary email addresses, us... | |
| ImprovMX | 82 A | API Key | ? | - | Intermediate | ImprovMX is an email forwarding service with a REST API that lets you programmatically manage domain... | |
| Kickbox | 87 A | No Auth | Yes | 216ms | Beginner | Kickbox provides a free, no-auth email verification endpoint that checks whether an email address is... | |
| mail.gw | 92 A+ | No Auth | Yes | 84ms | Beginner | mail.gw is a REST API for creating and managing temporary 10-minute email addresses with full inbox ... | |
| mail.tm | 92 A+ | No Auth | Yes | 55ms | Beginner | mail.tm is a temporary email service API that creates persistent (but disposable) email accounts acc... | |
| MailboxValidator | 72 B | API Key | ? | - | Intermediate | MailboxValidator performs multi-layered email address validation including syntax checking, DNS/MX r... | |
| MailCheck.ai | 87 A | No Auth | ? | 52ms | Beginner | MailCheck.ai (powered by UserCheck) is a free API that detects whether an email domain belongs to a ... | |
| Mailtrap | 0 F | API Key | ? | - | Intermediate | Mailtrap provides programmatic access to a service for the safe testing of emails sent from the deve... | |
| Sendgrid | 72 B | API Key | ? | - | Beginner | SendGrid (now part of Twilio) is an industry-standard cloud email API for sending transactional and ... | |
| Sendinblue | 0 F | API Key | ? | - | Intermediate | Sendinblue provides programmatic access to a service that provides solutions relating to marketing a... | |
| Verifier | 0 F | API Key | Yes | - | Intermediate | Verifier provides programmatic access to verifies that a given email is real via REST API. This Emai... |