Send SMS in 60 seconds or less

Send SMS in 60 seconds or less

Run SMS campaigns for your customers, add texting to your apps, or give AI agents real phone numbers — with programmable lines, simple APIs, and usage-based billing.

Run bulk campaignsBuy dedicated linesGive your AI agent a phone number
~2 min
to a real number
$0.05
per SMS
4+
live endpoints
dial-example.ts
typescript
import { DialClient } from "@dial/api";
const dial = new DialClient({
baseUrl: "https://x402.dial.wtf",
x402Fetch: paidFetch,
});
// Buy a US phone line
const { number } = await dial.numbers.buyUs({
country: "US",
});
// Send an SMS
await dial.messages.send({
to: "+1234567890",
from: number,
body: "Hello from Dial!",
});
Developer Experience

Integrate this afternoon

A simple, elegant API so you can start sending SMS in minutes. It fits naturally into your existing codebase.

bashSend an SMS with curl
curl -i -sS -X POST "https://x402.dial.wtf/api/v1/sms/send" \
-H "Content-Type: application/json" \
-d '{"to":"+1234567890","message":"Hello from Dial!"}'
# Response: HTTP/2 402 + PAYMENT-REQUIRED header
# Use @x402/fetch for automatic payment handling
Use Cases

In 60 seconds, you can...

Run SMS for your customers

Provision a number, launch campaigns, and collect replies from one dashboard. No telecom overhead.

Add texting to your app

Send notifications, alerts, and reminders with a simple REST API. Receive replies via webhooks.

Give agents real phone numbers

Assign dedicated numbers to AI agents so they can send and receive SMS with controlled billing and human handoff.

Features

Everything you need to reach humans

Built for modern teams who need reliable SMS without the enterprise sales cycle.

Provision lines

Buy a real US or international phone number in about two minutes. No 10DLC registration. No carrier approval queue.

Send SMS

Send transactional and marketing SMS at scale. $0.05 per message. Automatic delivery tracking and status callbacks.

Debug everything

Full request/response logging. Delivery receipts. Webhook retries. See exactly what happened to every message.

Built for production

Idempotent sends. Rate limiting. Automatic retries. Message suppression. The reliability patterns you need, built in.

Inbound included

Receive SMS on your numbers for free. Configure webhooks for real-time delivery. Store and search message history.

Wallet-native auth

No API keys to rotate. No accounts to manage. Your EVM wallet is your credential. SIWE for ownership proofs.

Dashboard

Manage everything in one place

A clean, modern dashboard for monitoring sends, managing numbers, and configuring webhooks.

Payphone Dashboard
Messages sent
12,847+23%
Active numbers
3+1
Delivery rate
99.2%+0.3%
ToMessage
+1 (555) 0123Your verification code is 4829
+1 (555) 0456Appointment confirmed for tomorrow
+1 (555) 0789Welcome to Payphone! Here's your number
Trusted by builders

Built for teams that ship

From solo founders to engineering teams, Payphone handles the telecom complexity so you can focus on your product.

~2 min
Average provisioning time
$0.05
Per SMS, no minimums
99.9%
API uptime
0
Accounts required
Pricing

Pay for what you use. Nothing else.

No subscriptions. No seat fees. No hidden costs. Your wallet pays when you use it. Silence when you don't.

Free

$0/forever

Explore the API. Send test messages. No credit card required.

  • 10 test SMS
  • API access
  • Community support
  • Basic analytics
Start free

Developer

$0.05/SMS

Pay-as-you-go SMS from shared pool numbers. Perfect for side projects.

  • Unlimited SMS
  • Delivery tracking
  • Webhook support
  • API access
Get started
Popular

Startup

$100.00/activation

Your own dedicated US phone line. 10k texts included first month.

  • Dedicated US number
  • 10k texts included
  • $60/mo renewal
  • Inbound SMS free
  • SIWE management
Buy number

Scale

$100.00/activation

International numbers and volume pricing for growing teams.

  • International numbers
  • Volume discounts
  • Priority support
  • Custom integrations
  • SLA guarantee
Contact sales
Coming soon:Phone Lookup ($0.05)Breach Search ($0.05)Buy Credits ($5.00)Phone Verify ($2.25)eSIM Checkout ($2.45)

Ready to reach humans?

Provision a phone number and send your first SMS in under two minutes. No account required.

Queued
Sent
Delivered