Getting Started

Start in 5 Minutes

Get your API + SDK key pair and start sending messages with our type-required SDKs.

Dual-Key Security Required

SMSLY uses two keys: API Key (for authentication) + SDK Key (for validation). Both are generated together and required for all requests.Learn more →

01

Create Your Account

Sign up for a free account. No credit card required to start.

02

Get Your Key Pair

Generate your API Key + SDK Key pair from the console. Both are required.

03

Install SDK or Use HTTP

Install our SDK (Python, JS, PHP, Go, Java) or use raw HTTP with cURL.

04

Send Your First Message

Use type-required methods: sms.otp(), sms.marketing(), etc.

Quick Start Code

Choose your language. No SDK? Use raw HTTP.

quickstart.python
# Install SMSLY SDK
pip install smsly

# Quick start
from smsly import SMSly

# Initialize with dual keys
client = SMSly(
    api_key="sk_live_xxx",   # or SMSLY_API_KEY env var
    sdk_key="sdk_live_xxx"   # or SMSLY_SDK_KEY env var
)

# Send OTP (type-required messaging)
response = client.sms.otp("+1234567890", "123456")
print(f"Message ID: {response.message_id}")

# Send marketing SMS with scheduling
client.sms.marketing(
    "+1234567890",
    "50% off today!",
    send_later="tomorrow 9am"
)

Next Steps

API Reference

All 13 products & endpoints

Authentication

Dual-key setup guide

SDKs

Python, JS, PHP, Go, Java

Console Settings

Generate your keys