Question 1

How does billing work?

Accepted Answer

Pricing ranges from $0.0387 per SMS (1,000 credits) to $0.0479 per SMS (100,000 credits). No monthly fee, and credits never expire.

Question 2

Is SMSGo LGPD compliant?

Accepted Answer

Yes. Automatic opt-out, managed blocklists, and auditable logs provide compliance by default.

Question 3

How long does it take to send the first message?

Accepted Answer

Minutes. Create an account, get a Bearer token, and call POST /v1/sms/send/single. You receive free test credits, with no card required.

Question 4

Can I use SMSGo for OTP and 2FA?

Accepted Answer

Yes. One-time codes receive priority routing and ready-to-use templates.

Question 5

How do delivery receipts work?

Accepted Answer

Every message moves through queued, sending, delivered, or failed. Query the API or receive each transition by webhook.

Question 6

Which SDKs are available?

Accepted Answer

Official SDKs are available for Node.js, Python, Go, and PHP, with no third-party dependencies. The REST API works with any stack.

Question 7

How do I verify a webhook signature?

Accepted Answer

Every request includes X-SMSGo-Signature. Recalculate the HMAC-SHA256 with your secret before trusting the payload.

The simple SMS API built for Brazil.