Skip to content
Text Crow Text Crow
For product teams

Product messaging, that that just works

Send OTPs, verification codes, and transactional notifications straight from your product — event-triggered through one API with idempotency and webhooks.

Transactional volumelive
OTP delivery0.3s
Delivered99.4%
Idempotent sends100%
Built for product teams

Everything product needs to ship messaging

OTP & verification

Low-latency codes routed to the healthiest carrier with instant failover.

Event triggers

Fire messages on product events via the API with idempotency keys.

Webhooks & docs

Signed outbound webhooks and an OpenAPI spec your engineers will actually use.

Workflow

From event to delivered message

Call the API on any product event, route to the fastest healthy carrier, and receive signed delivery webhooks — with every send logged immutably.

Idempotency keys prevent duplicate sends
Signed webhooks for delivery events
Immutable message ledger
OTP latency0.3s
Deliverability focus99.9%
One integration1 API
Outcomes

Product teams ship faster

0.3s
OTP latency
99.9%
Deliverability focus
1 API
One integration
FAQ

Questions

Is the API idempotent?+
Yes — idempotency keys prevent duplicate sends on retries.
How fast is OTP delivery?+
Routed to the fastest healthy carrier, typically sub-second, with failover.
Are webhooks signed?+
Yes — HMAC-signed outbound webhooks for every event.
Is it auditable?+
Every message and event is written to an immutable ledger.

Ship messaging in your product

Send OTPs, notifications, and triggers through one reliable API.