SMTP2GO Email API
REST API for sending transactional emails and SMS, managing sender domains, SMTP users, API keys, templates, webhooks, suppressions, and accessing delivery reports and activity statistics.
Documentation
Documentation
https://developers.smtp2go.com/docs/introduction-guide
GettingStarted
https://developers.smtp2go.com/docs/getting-started
RateLimits
https://developers.smtp2go.com/docs/rate-limiting
APIReference
https://developers.smtp2go.com/reference/general-api-resources
Specifications
OpenAPI
https://raw.githubusercontent.com/api-evangelist/smtp2go/refs/heads/main/openapi/smtp2go-email-api-openapi.yml
OpenAPI
https://raw.githubusercontent.com/api-evangelist/smtp2go/refs/heads/main/openapi/_original/smtp2go-openapi-original.yml