Send product events as email and webhooks with one API
SendPromptly is a developer-facing delivery platform for reliable customer notifications, retries, and observability.
Built for modern SaaS teams
One integration, production-ready messaging
Cover transactional email and webhook delivery without building your own queue and retry stack.
Automatic retries, idempotency, and delivery logs
Handle transient failures with built-in backoff and replay tools, while keeping one canonical message record.
- 5-attempt retry schedule
- Idempotency key support
- Replay and cancel flows
Readable API contract with clear auth and error codes
Ship integrations quickly with predictable request and response schemas, versioned docs, and copyable examples.
- Bearer token auth
- Validation-first responses
- Rate limit guidance
Plan-aware controls for usage and scheduling
Apply quotas, schedule delays, and billing constraints without rebuilding policy logic in every application.
- Plan-level limits
- Usage period tracking
- Scheduled delivery support
Trusted by delivery-focused engineering teams
Teams use SendPromptly to avoid rebuilding message infrastructure on every product line.
Alicia Park
Staff Engineer, CometCart
We replaced three brittle jobs with one SendPromptly integration and cut incident noise immediately.
Marcus Young
CTO, FitLedger
Webhook signatures and retries are built in, so our team ships faster with less custom infrastructure.
Priya Iyer
Product Lead, RelayOps
The API is straightforward and the docs are clear enough for onboarding new engineers in an afternoon.
Ship reliable customer messaging this week
Start for free and send your first event in minutes.