API archive entry · source-reported
SMTPfast
Send transactional email, manage contacts and broadcasts, free 3,000 emails/month
Decision snapshot
SMTPfast is catalogued as a Email API from SMTPfast. The directory reports api key authentication, HTTPS support, and CORS as yes.
- Category
- Authentication
- API key
- HTTPS
- Reported
- CORS
- Yes
Evaluation pathway
- Define endpoints, fields, freshness, and expected request volume.
- Read the live source and confirm access, terms, limits, and version.
- Test representative inputs, errors, latency, pagination, and data quality.
- Plan monitoring, retries, caching, version pinning, and a fallback.
What still needs verification
Pricing and quotas
Confirm current plans, free-tier limits, overages, and request ceilings.
Endpoint coverage
Check that the operations and response fields match the intended workload.
Reliability
Look for uptime history, a status page, support routes, and service commitments.
Data and privacy
Review retention, licensing, regional processing, and compliance requirements.
Versioning
Confirm the active version, change policy, deprecation window, and migration guidance.
Developer experience
Validate SDKs, examples, error formats, pagination, and test environments.
Nearby Email options
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
EmailJS
Send emails directly from client-side JavaScript without a backend server
API key · HTTPS reported · CORS Yes
Source reference
This page separates source-reported facts from questions that need live provider verification.