Documentation
Build with PSend
Everything you need to send bulk and transactional email — API reference, webhooks, security, and mobile test tools.
API reference
Typed parameters, multi-language examples, and response payloads.
Send email
POST /v1/emails — transactional and marketing sends.
Update email
PATCH scheduled sends — reschedule before delivery.
Batch emails
POST /v1/emails/batch — plan bulkBatchMax via Planet.
Audiences
Contacts and lists for campaigns.
Templates
Reusable transactional templates with {{variables}}.
Teams
Packages, card checkout, seats, and domain permissions.
API keys
Create keys — full secret returned once.
Domains
Verify SPF, DKIM, and DMARC for sending.
Webhooks
Delivery events with HMAC signatures.
Security
Account gate, TLS, IP allowlists, rate limits.
SDKs
Node, Go, Python, RN/Expo, and Flutter tools.