API archive entry · source-reported
Guerrilla Mail
Disposable temporary Email addresses
Other Email APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
DropMail
GraphQL API for creating and managing ephemeral e-mail inboxes
No auth · HTTPS reported · CORS Unknown
MailCheck.ai
Prevent users to sign up with temporary email addresses
No auth · HTTPS reported · CORS Unknown
MailSenpai DNS Check
Check a domain's SPF, DKIM, DMARC and MX records and get what to fix, with the values to publish
No auth · HTTPS reported · CORS Yes
Email Spam Tester
Send a test message and get a spam score, 41 checks with RFC citations and a fix plan
No auth · HTTPS reported · CORS Yes
Email Validator by LifeStep
Validate email syntax and MX, detect disposable/role addresses, suggest typo fixes
No auth · HTTPS reported · CORS Yes
AGPC Domain Check
Check a domain's SPF, DKIM, DMARC and MX with a graded shareable report
No auth · HTTPS reported · CORS Yes
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.