⚡ REST API · instant US OTP codes

The cheapest high-quality
SMS verification API

Rent real US phone numbers and receive OTP codes programmatically. Premium delivery, the lowest prices on the market — one clean API, no rate limits.

Read the API docs → Join Discord

🔑 Authentication

Every endpoint takes your personal API key in a single header. Grab your key from the Discord panel → 🔐 API Key. Your API account, balance, and history are the same as in Discord.

x-api-key: asms_xxxxxxxxxxxxxxxxxxxxxxxx
Endpoints

Everything you need, nothing you don't

JSON in, JSON out. Base URL https://autosms.live

POST
/getnumber
Rent a US number for a service.
 POST
/smscode
Fetch the OTP for a rented number.
 POST
/cancelsms
Cancel an unused rental for a refund.
 POST
/repeat
Re-rent based on a past number.
 POST
/balance
Check your credit balance.
 GET
/smsservices
Live list of services + pricing.
Services change over time. We add and rotate supported services regularly — call GET /smsservices for the current list and live pricing instead of hardcoding service names.
Quickstart

Rent a number in one call

Authenticate with your key, pass a service from /smsservices, and poll for the code.

# 1 · rent a number curl -X POST https://autosms.live/getnumber \ -H "x-api-key: YOUR_KEY" \ -H "Content-Type: application/json" \ -d '{"service":"<service>"}' # 2 · poll for the OTP until status == "new_code" curl -X POST https://autosms.live/smscode \ -H "x-api-key: YOUR_KEY" \ -H "Content-Type: application/json" \ -d '{"phone_number":"9049362804"}'
Full reference + every response shape →
Why AutoSMS

Premium quality, unbeatable price

💸

Cheapest on the market

High-quality numbers at the lowest price you'll find.

⚡

Instant delivery

Codes returned the moment they arrive — usually under a minute.

🛡️

Auto-refunds

No code? The rental refunds itself at expiry. Zero risk.

🚦

No rate limits

Hit the API as hard as your workload needs.

🪙

Card & crypto

Top up by card or BTC / ETH / LTC / SOL.

🇺🇸

Real US numbers

100% United States, carrier-selected for success.

Get your API key

Join the Discord, open the panel, and press 🔐 API Key. Top up and you're live.

Open Discord → View API docs