Everything you need to integrate, and nothing you have to ask for.

API reference

Send, schedule, query and receive webhooks. Every endpoint with a working curl example.

SMPP connectivity

Bind parameters, window sizing, throughput and what our SMSC expects.

Delivery reports

Receipt formats, the states that close a message, and why ids arrive in two representations.

Error codes

Every code we return and every operator code we translate, in plain language.

DLT registration walkthrough

Entity, header and template registration end to end — the step that blocks most new senders.

Compliance rules

Sender categories, the promotional window, and what each one permits.

Choosing a sender ID

What a six-character header can and cannot be, and how carriers suffix it.

Pricing and billing

Bands, what is charged, what is refunded and when.

Refunds policy

Exactly when money comes back.

Talk to us

Volume quotes, migration and integration help.