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United Kingdom e-SIM API

Create and control British mobile numbers in code, tests, and automations. Send and read SMS at scale using real providers.

UK phone number API for SMS testing | MailSlurp

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  • Broadcom
  • Scraper
  • Trivago
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  • Wolt
  • Panasonic

UK/GB

Real UK phone numbers

Create and control British mobile numbers in code, tests, and automations.

UK number provisioning

Create real British mobile numbers for application, QA, and operational workflows instead of reusing one handset or fake endpoints.

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Wait, read, and webhook APIs for inbound SMS

Receive SMS through deterministic waits, direct reads, and webhook delivery when timing and payload inspection matter.

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OTP extraction and per-number message history

Inspect sent and received SMS for each number and pull one-time codes from the actual inbound message.

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Number lifecycle and sending readiness

Manage the number as a durable asset with the compliance and operational controls needed before production messaging depends on it.

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Key workflows

Move from evaluation into a concrete MailSlurp workflow, then expand once the first path is running cleanly.

Programmatic phone numbers

Read and send SMS using REST APIs, SDK clients, webhooks, and no-code dashboards.

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Deep integrations

Use popular libraries and test frameworks like Cypress, Selenium, Postman, and Playwright or no-code environments like Tricentis, Testim, and Reflect.

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Provision real phone numbers

Spin up regional numbers for OTP, account verification, and messaging workflows with API control.

Provision real phone numbers

Developer integration

Integrate real phone numbers and OTP checks without custom glue code

Provision numbers, receive SMS, and validate mobile verification flows with SDKs, webhooks, and deterministic wait helpers.

  • Regional number provisioning via API
  • Wait-for-SMS helpers for OTP workflows
  • Webhook support for downstream handling

Use U.K. mobiles today

Use U.K. mobiles today

Get started with British e-SIM API