API archive entry · source-reported

SendRaven

Email for AI agents: send email, receive replies as threads, with per-key send limits and approvals

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.

Xeramail Temp Mail

Temp email address REST API for privacy, testing, automation with OTP extraction

API key · HTTPS reported · CORS No

inboxsink

Disposable inboxes for end-to-end tests that wait for the email and extract OTP codes

API key · HTTPS reported · CORS No

PostStack

EU-hosted email API for transactional and marketing email, with contacts, broadcasts, and analytics

API key · HTTPS reported · CORS No

Mailfornet

Disposable inboxes for end-to-end signup tests, with long-polling and HMAC-signed webhooks

API key · HTTPS reported · CORS Yes

Cloudmersive Validate

Validate email addresses, phone numbers, VAT numbers and domain names

API key · HTTPS reported · CORS Yes

Email Validation

Validate email addresses for deliverability and spam

API key · 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.

Open the comparison workspace

Source reference

public-apis/public-apis

This page separates source-reported facts from questions that need live provider verification.