Documentation
Product docs for developers and marketers. Clear specs, fast paths, no fluff.
Email API
Send and reply to transactional emails via multipart requests with JSON payload + optional attachments. Returns 202 Accepted.
RESTMultipartTransactional
CSV Import
Upload UTF-8 CSVs with a header row to add contacts to a Group. Invalid rows skipped; import stops at your plan quota.
ContactsCSVImport
Domain Setup
Authenticate your domain (SPF, DKIM, DMARC) and add up to 10 sender emails per domain.
DNSSPF/DKIM/DMARCSenders
Need help?
Questions or edge-cases? Email support@cllavio.com.