AnonymSMS is now asms.ai:Read
asms.ai
Free · formerly AnonymSMS · online since 2018

Receive SMS online,
free, in seconds.

Temporary phone numbers for verification, on real SIMs, from the US, UK, Germany and more. No SIM of your own, no registration. Read the code live. Plus private numbers and a native MCP server so AI agents verify on their own.

Free shared numbers No SIM, no sign-up 130k+ users Since 2018
Number live+1 (732) 8•• ••72
Verifying OpenAI…

SMS · OpenAI

Your verification code is 504913
504913

✓ Delivered in 1.8s · free

8yrs
live & trusted since 2018
136K+
registered users
1,870
services in stock
100%
auto-refund if no code

Why asms.ai

Still here since 2018, and built for AI agents.

DaisySMS shut down and took its numbers with it. SMS-Activate resells its numbers, with no free tier and no native agent interface. asms.ai has run since 2018 with a free tier, a native MCP server for agents, and an automatic refund whenever a paid code never arrives.

asms.aiDaisySMSSMS-Activate
Online since2018Shut down2017
Free public numbers Yes No No
Native MCP for AI agents Yes No No
Auto-refund on no-code Yes NoPartial

How to receive SMS free

1

Pick a number

Choose a free number from the US, UK, Germany and more. No sign-up.

2

Use it to verify

Paste it into the service asking for a phone number.

3

Read the code

The SMS appears in the public inbox within seconds. Done.

Time to receive an SMSFrom 1 second
Price for free shared numbers$0, no registration
New numbers addedEvery day
Services supported300+
The first SMS layer for the agentic web

Your agent verifies on its own.

One Bearer key drives a clean REST API and a native MCP server. Claude and autonomous agents get pricing, order a number, and read the code with no human in the loop.

Explore the docs
order a number, read the code
curl -X POST https://asms.ai/api/v1/otp/order \
  -H "Authorization: Bearer $ASMS_KEY" \
  -d '{"service":"openai","country":"us"}'
# -> { "sms": { "code": "504913" } }
+ MCP, for agents
{ "mcpServers": { "asms": {
  "url": "https://asms.ai/mcp",
  "headers": { "Authorization": "Bearer $ASMS_KEY" }
} } }

Loved by 136,000+ users

Read verified reviews on Trustpilot

I spin up test accounts all day. asms.ai gets me a number and a code in seconds, no SIM, no hassle.

Marcus T. · Developer

We verify across dozens of platforms. The API and the free numbers together cover everything we need.

Priya R. · Growth marketer

I stopped giving my real number to random apps. This keeps the spam off my actual phone.

Sofia L. · Privacy-first user

Online since 2018

Built to outlast the rest.

Most SMS services vanish within a couple of years, taking your balance with them. asms.ai has run since 2018, with a funded company behind it. We are not going anywhere.

8 years online

Live since 2018, while countless services came and went.

A funded company behind it

An established group backs the service. Not a side project that disappears.

Your number stays yours

No SIM, no personal info, no spam on your real line.

How to receive SMS online free: the complete guide

How to receive text messages online

Pick a free number from the list above, or open a country page to choose a local one. Paste it into the app or website that is asking for your phone number, then go back to the number's page. Its inbox updates on its own, so the verification code shows up there within a few seconds, without refreshing.

Most codes arrive in under a minute. If nothing has arrived after about three minutes, the service has probably stopped sending to that number: pick another one, ideally one that received a message recently (each number shows when its last SMS came in).

No registration: anonymous SMS in seconds

You do not need an account, an email address or a SIM card to use the free numbers. The number is not yours and is not linked to you, so the service you are signing up to never sees your real phone number. That is what anonymous SMS means here: the code reaches you, your identity does not reach them.

AnonymSMS has offered this since 2018 and is now asms.ai: the same free numbers and the same team, rebuilt as a faster site with an API and MCP server for AI agents.

Why use a temporary phone number

Every account you create with your own number links that account to you, and many companies pass numbers on for marketing. A temporary phone number keeps your real one out of sign-up forms, cuts down on sales calls and texts, and stops your accounts being tied together by one number.

It also works anywhere with an internet connection: no mobile signal, no roaming and no second SIM needed. Developers use the same numbers to test sign-up flows without a drawer full of SIM cards.

Receive SMS for any app or service

The free numbers receive codes from the apps people actually use: social networks such as Instagram, Facebook, TikTok and X, chat apps such as WhatsApp, Telegram, Viber and Discord, dating apps such as Tinder, email providers such as Gmail and Outlook, and AI tools such as ChatGPT and Claude. Each service has its own page with numbers that recently received its codes.

Some services refuse numbers that many people have used. When a free number is rejected, use a private number or the pay-per-service option instead: the code goes to a number only you can see, and an OTP order is refunded if no code arrives.

Are the free numbers temporary?

Yes. They are public, shared numbers: anyone can open a number's page and read its messages, so never use one for banking, for an account you need to keep, or for anything you would not want others to see. Use them for low-stakes sign-ups and one-off verifications.

Numbers are retired once they stop receiving messages, and new ones are added regularly, so the list keeps moving. A number's page shows whether it is active, how many messages it has received and when the last one arrived.

Numbers from the UK, the US, Europe and more

Some services only accept a local number. Free numbers are available in the United Kingdom, the Netherlands, the United States, Finland, Belgium, Germany, Sweden, France, Georgia and more, and you can use any of them from wherever you are. Pick the country first, then any number in it.

For a country we do not have as a free number, or when you need the number for longer, rent a private number for a day, a week or longer.

Free numbers or a private number?

The free numbers cost nothing and need no sign-up, but they are shared. A private number is yours alone: nobody else sees its inbox, and you can keep it for as long as you need, which matters for accounts you will log back into. Pay-per-service (OTP) numbers sit in between: one code for one service, charged only when it works.

Building an agent or an automation? The same numbers are available through the REST API and the MCP server, so software can request a number and read the code without a person in the loop.

Frequently asked questions

Is it really free to receive SMS online?+

Yes. The free public numbers are shared, with an inbox anyone can view, and cost nothing, with no registration. For a number only you can see, use a paid private number.

How fast do verification codes arrive?+

Usually within seconds. The SMS appears live in the number's inbox, with nothing to install.

Which countries and services are supported?+

Hundreds of services across the US, UK, Germany, Georgia, Ukraine and more, with live availability shown before you choose.

Can AI agents use it?+

Yes. A clean REST API and a native MCP server let scripts and AI agents request numbers and read codes on their own.

Is my real number exposed?+

Never. Free numbers are shared with a public inbox; private numbers are dedicated to your account. Either way your personal number stays yours.

Receive your code right now.

Pick a free number, or create an account for private numbers and the API. Humans welcome. Agents too.