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Carrier lines with an API

Mobile Proxies US: Carrier Lines You Drive From Code

Dedicated 4G and 5G lines on AT&T, T-Mobile and Verizon in eight US metros. List them from the API, rotate them with a GET and read their exit IP back, from code or the dashboard. HTTP(S) and SOCKS5, unlimited data, one SIM per endpoint.

HTTP(S) + SOCKS5Both ports on every line
1 requestTo rotate an exit IP
8 metrosSame interface in all
From $5Per endpoint per day
Reference

What the Endpoint Does

Six properties of every line, stated the way you would read them in documentation.

Rotation by request

A GET on the line's rotation link reconnects the carrier session; its status link returns the new exit address. No limit on how many; a timer can do it on a schedule.

Two protocols, one credential

HTTP(S) and SOCKS5 ports on the same host with the same username and password. UDP travels over SOCKS5; VLESS is available when a tunnel fits better.

Carrier exit, not datacenter

The exit address is announced by AT&T, T-Mobile or Verizon and shared with real handsets behind carrier NAT. Lookups return a mobile connection in the line's region.

One SIM, one customer

The device, the SIM and the address history belong to one account for the term. Nothing is pooled or multiplexed.

No data meter

Unlimited data on every term. Fair use applies to bulk file transfer only, and the rule is written down in the terms.

Move by API or dashboard

Relocate a line to another metro at no cost. The login, licence uuid and remaining time carry over; host and ports can change, so re-read the list.

Plans

Four Terms, Two Networks

One price table for every metro and carrier. Hourly endpoints never renew on their own; the rest renew until you stop them.

plans.jsonUSD
"daily":DailyOne endpoint for 24 hours
"4g":$5
"5g":$6
per dayProvision
"weekly":WeeklyOne endpoint for 7 days
"4g":$29
"5g":$33
per weekProvision
"monthly":MonthlyOne endpoint for 30 days, renews until stopped
"4g":$66
"5g":$77
per monthProvision
"hourly":HourlyHourly endpoints
"4g":$2
"5g":$3
first 2 hoursProvision

Hourly plans: Provision in the dashboard, the mobile app or our Telegram bot.

Every endpoint includes

  • HTTP(S) & SOCKS5, UDP available
  • Free self-service location moves
  • Instant automated activation
  • Per-request & sticky rotation, unlimited
  • Unlimited data
  • Unlimited IP pool, clean USA IPs
  • Dedicated 24/7 support
  • USA mobile network, real carrier IPs

Payment methods: cards, PayPal, Bitcoin, USDT, Ethereum, Zelle, bank wire. Every order activates instantly.

Hourly to monthly: time starts at purchase.

After a static address or metered data rather than a line? ISP & residential via API

One request

Rotate the Exit IP From Your Code

A GET on the line's rotation link reconnects the carrier session, and its status link returns the new address. Same shape in every metro, so one client handles all eight.

curl "https://cp.mobileproxiesus.com/backend/api_v1/proxy/status?license=$UUID"
{"ip": "172.58.x.x", "httpPort": 8825, "sockPort": 5825, "status": "CONNECTED"}
Free

Try our free checkers

Inspect your current IP as a website sees it, or paste a proxy list to test each endpoint. Free, no account needed.

IP checker

What IP am I on? One view: carrier, ASN, city, time-zone match, WebRTC leak.

Run it
Proxy checker

Input one proxy or a list (HTTP, HTTPS, SOCKS4, SOCKS5). Output per line: exit IP, location, ISP, latency. Export working entries.

Run it
Profile browsers

Recommended for profiles on our endpoints: Undetectable.io and GoLogin. Both have free plans.

Recommended
Every free tool

All published line tests, pre- and post-purchase, in one place.

Open the list
Beyond the line

ISP Proxy API Use and Residential Proxy API Use

Two more things the dashboard sells: monthly fixed addresses on American networks, and residential or mobile pool data metered per GB. One balance, one My Proxies page, the same code.

Static ISP addresses

from $2.10per IP per month

Fixed IPv4 on Comcast, AT&T, T-Mobile, Frontier and RCN ranges, exiting via Virginia. Minimum 10 addresses, 1 to 12 months, a single credential set.

Read more

Residential data

$2per GB

Household connections in upwards of 190 countries, targeting down to country, state, city or ASN, held sessions up to half an hour or a fresh address each request. Metered per GB, no expiry.

Read more

Mobile pool data

$10per GB

Shared handsets on live 4G and 5G connections, metered per GB, with country, state and city targeting. For breadth; a held identity is what the dedicated line is for.

Read more
Applications

What People Build on It

Automation that must look like a US phone user, written against a stable interface.

U1

Headless browser runs

Playwright, Puppeteer and Selenium sessions on a carrier address, rotated between jobs.

U2

Geo test suites

Run the same checks from eight US regions on a real mobile network, from CI.

U3

API clients and SDKs

Point requests, httpx, Node fetch or Go at the SOCKS5 port and go.

U4

Mobile app QA

Route a device or emulator through a carrier line to test what a US user gets.

U5

Scheduled monitors

A standing endpoint per metro for checks that run every few minutes.

U6

Account automation

Profiles bound to one sticky address each, rotated only when your code says so.

U7

Data pipelines

Collection within site terms, spread over lines and rotations by script.

U8

Ad and search verification

Programmatic captures of what a US mobile visitor is served.

Hardware

Behind the endpoint

Each endpoint is one physical device with one carrier SIM in a rack we operate. You choose the device class at checkout; the interface is identical.

01

USB modem

A 4G or 5G USB modem holding one carrier SIM, exposed as one endpoint. The default.

02

4G/5G router

A cellular router with one SIM, for endpoints that must stay up for long runs.

03

Android phone

A real handset with one SIM, when the traffic should come from phone hardware.

Device type is selected at checkout. One device, one SIM, one customer.

Service area

Endpoint regions

One device per endpoint, racked in the metro. Plans move between them self-service, free, at any time.

Lead carrier: AT&TAT&TT-MobileVerizon
Your dashboard

Relocate an endpoint, keep the login

Move a line to another metro from the dashboard or the API at no cost. The username, password, licence uuid and remaining term carry over. The line lands on another server, so host and ports can change: re-read the proxy list after a move.

  • Same identifiersThe login and the licence uuid survive the move; re-read host and ports.
  • Free and immediateNo fee, no limit on moves, effective at once.
  • Term preservedThe time left on the endpoint is not touched.
Open the dashboard
Partner program
2%

Referral programme

Every account has a referral link. Orders placed by accounts that registered through it pay you a share, on every order, for as long as they remain customers. Higher rates are available for integrations that send volume.

Get the referral link
How-to

Mobile proxy guides

Setup walkthroughs, platform notes, direct answers, based on actual line usage.

Ask

Technical questions

How do I rotate the exit IP from code?

The proxy list returns a rotation_link for each line. A GET on it reconnects the carrier session; the line's status link then shows the new exit address. There is no limit on how many rotations you make, and a timer can rotate on a schedule.

Which protocols does an endpoint speak?

HTTP(S) and SOCKS5 on the same host with the same credentials, UDP over SOCKS5. A VLESS tunnel is available for clients that prefer it.

What does a lookup return for the exit IP?

The carrier's AS (AT&T, T-Mobile or Verizon), a mobile connection type and the line's metro or state. Carrier gateways decide the city field; the state is reliable.

What throughput can I plan for?

4G endpoints run up to 25 Mbps download and 5G endpoints up to 50 Mbps, depending on signal at the device. 5G+ (70 Mbps+ average download) is an add-on on selected 5G lines. Data is unlimited.

Is the endpoint shared?

No. One SIM in one device for one account for the term. The address history belongs to that account.

What does it cost?

4G $5 a day, $29 a week or $66 a month; 5G $6, $33 or $77. Hourly from $2 for two hours. Unlimited data and rotation on every term.

Which antidetect browser can I drive from code?

Undetectable.io first; its local API creates and launches profiles with the line's SOCKS5 details attached. GoLogin is the second choice, with a cloud API that does the same from any machine.

Undetectable.io · GoLogin (partner links)

Support

Ask an Engineer

Integration questions, carrier stock, protocol details, a status code you did not expect. Email or Telegram; a person answers 24 hours a day.

Support: humans, 24/7. Already a customer? Open your dashboard.