Any SMS code,
in seconds.
Disposable phone numbers for verification, for humans and AI agents alike. Pay only per code, get refunded if it never arrives, and let agents pull OTPs through a native MCP server. No SIM, no subscription, no nonsense.
SMS · OpenAI
Your verification code is 504913✓ Delivered in 1.8s · $0.50 charged
Verify accounts on the services your users already use
1.8M+
codes delivered
130k+
accounts
300+
services
~2s
median delivery
Your agent verifies on its own.
One Bearer key drives both a clean REST API and a native Model Context Protocol server. Claude and autonomous agents get pricing, order a number, and read the code with no human in the loop, all metered from a wallet you control.
- 7 MCP tools: balance, pricing, order, poll, cancel
- Stateless Streamable HTTP — drop into any MCP client
- Same key, same wallet, full audit trail
curl -X POST https://asms.ai/api/v1/otp/order \
-H "Authorization: Bearer $ASMS_KEY" \
-d '{"service":"openai","country":"us"}'
# -> { "activationId":"...", "phoneNumber":"+1•••" }
curl "https://asms.ai/api/v1/otp/sms?id=..." \
-H "Authorization: Bearer $ASMS_KEY"
# -> { "sms": { "code": "504913" } }{ "mcpServers": {
"asms": {
"url": "https://asms.ai/mcp",
"headers": { "Authorization": "Bearer $ASMS_KEY" }
} } }Why people switch to asms.ai
Free sites share numbers and bury you in ads. Most paid services skip the API. This is the whole package.
| asms.ai | Free sites | Other paid | |
|---|---|---|---|
| Private number only you can see | sometimes | ||
| Pay only per code received | |||
| Auto-refund if no code arrives | rarely | ||
| Clean REST API | sometimes | ||
| Native MCP server for AI agents | |||
| No subscription, no lock-in | |||
| No ads, no shared inbox |
Built to outlast the rest.
Most SMS services vanish within a couple of years, and every long-term number they held dies with them. We have been running since 2018, with a funded company behind us. We are not going anywhere, and neither are your numbers.
8 years online
Live since 2018, while countless temp-number services came and went.
A funded company behind it
An established, well-capitalised group backs this service. It is not a side project that disappears overnight.
Numbers that don't die
Your long-term rentals keep working. We don't pull the plug on the lines you depend on.
Live in under a minute
Pick a service & country
Hundreds of services across the US, UK and AU, with live availability before you pay.
Get a private number
A dedicated number is allocated to you in seconds. Never shared, never recycled mid-use.
Receive the code
The SMS lands in real time. No code in the window? Your wallet is refunded automatically.
Private by default
Dedicated numbers, no SIM, no personal info. Your real number stays yours.
Pay as you go
Top up a wallet, pay per code from $0.50. No subscription to cancel later.
Built for agents
A native MCP server + REST API so autonomous agents verify accounts unattended.
Genuinely instant
Live inventory and webhook-driven delivery. No images, no bloat, no waiting.
Get your first code right now.
Create an account, top up a wallet, and verify anything in seconds. Humans welcome. Agents too.